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NSR database version of April 11, 2024.

Search: Author = P.Jones

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2024GU06      Phys.Rev.Lett. 132, 092501 (2024)

R.J.Guo, S.Y.Wang, C.Liu, R.A.Bark, J.Meng, S.Q.Zhang, B.Qi, A.Rohilla, Z.H.Li, H.Hua, Q.B.Chen, H.Jia, X.Lu, S.Wang, D.P.Sun, X.C.Han, W.Z.Xu, E.H.Wang, H.F.Bai, M.Li, P.Jones, J.F.Sharpey-Schafer, M.Wiedeking, O.Shirinda, C.P.Brits, K.L.Malatji, T.Dinoko, J.Ndayishimye, S.Mthembu, S.Jongile, K.Sowazi, S.Kutlwano, T.D.Bucher, D.G.Roux, A.A.Netshiya, L.Mdletshe, S.Noncolela, W.Mtshali

Evidence for Chiral Wobbler in Nuclei

NUCLEAR REACTIONS ⁵⁸Ni(¹⁹F, n2p)⁷⁴Br, E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, the angular distribution from oriented state (ADO) ratios and linear polarization values for the representative linking transitions between bands, level T_1/2, partial level scheme, J, π, B(E2), bands, one-phonon wobbling excitation built on the yrast band. Doppler-shift-attenuation method, the detector array AFRODITE.

doi: 10.1103/PhysRevLett.132.092501
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2024YU02      Phys.Lett. B 849, 138452 (2024)

Z.Yue, A.N.Andreyev, A.E.Barzakh, I.N.Borzov, J.G.Cubiss, A.Algora, M.Au, M.Balogh, S.Bara, R.A.Bark, C.Bernerd, M.J.G.Borge, D.Brugnara, K.Chrysalidis, T.E.Cocolios, H.De Witte, Z.Favier, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, R.Grzywacz, R.Heinke, A.Illana, P.M.Jones, D.S.Judson, A.Korgul, U.Koster, M.Labiche, L.Le, R.Lica, M.Madurga, N.Marginean, B.Marsh, C.Mihai, E.Nacher, C.Neacsu, C.Nita, B.Olaizola, J.N.Orce, C.A.A.Page, R.D.Page, J.Pakarinen, P.Papadakis, G.Penyazkov, A.Perea, M.Piersa-Silkowska, Zs.Podolyak, S.D.Prosnyak, E.Reis, S.Rothe, M.Sedlak, L.V.Skripnikov, C.Sotty, S.Stegemann, O.Tengblad, S.V.Tolokonnikov, J.M.Udias, P.Van Duppen, N.Warr, W.Wojtaczka

Magnetic moments of thallium isotopes in the vicinity of magic N=126

NUCLEAR MOMENTS ^207,209Tl; measured frequencies; deduced magnetic dipole moments. Comparison with the self-consistent theory of finite Fermi systems based on the energy density functional. The in-source laser resonance-ionization spectroscopy technique with the Laser Ion Source and Trap (LIST) at ISOLDE (CERN).

doi: 10.1016/j.physletb.2024.138452
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2023CH08      Phys.Rev. C 107, 024312 (2023)

S.Chatterjee, B.Mondal, S.Samanta, S.Das, R.Raut, S.S.Ghugre, P.C.Srivastava, A.K.Sinha, U.Garg, Neelam, N.Kumar, P.Jones, Md.S.R.Laskar, F.S.Babra, S.Biswas, S.Saha, P.Singh, R.Palit

Single-particle configurations of low- and medium-spin states in ⁶³Cu

NUCLEAR REACTIONS ⁵⁹Co(⁷Li, 2np), E=22-24 MeV; measured Eγ, Iγ, γγ-coin, γγγ-coin, γγ(θ). ⁶³Cu; deduced levels, J, π, δ, transition intensities, branching ratios, ratio of angular distribution from oriented (ADO) nuclei, polarization asymmetry, high-spin states, configurations; calculated average occupancies of neutron and proton orbitals. Comparison to shell model calculations using the jj44bpn and pfg_9a interactions. Array of 10 Compton suppressed HPGe clover detectors at 14 UD Pelletron at the Pelletron LINAC Facility in Tata Institute of Fundamental Research (TIFR, India).

doi: 10.1103/PhysRevC.107.024312
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2023KO10      Phys.Rev. C 107, 064312 (2023)

H.Kokkonen, K.Auranen, J.Uusitalo, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, J.Sorri, M.Venhart

Properties of the new α-decaying isotope ¹⁹⁰At

RADIOACTIVITY ¹⁹⁰At(α)[from ¹⁰⁹Ag(⁸⁴Sr, 3n), E=380, 390 MeV, followed by the separation of reaction products using the gas-filled recoil separator RITU at the K-130 cyclotron of the University of Jyvaskyla]; measured fusion-evaporation residues, (implants)α-correlated events, Eα, T_1/2 of ¹⁹⁰At decay, protons using the GREAT spectrometer with multiwire proportional counter (MWPC) and double-sided silicon strip detectors (DSSD). ¹⁹⁰At; deduced new isotope, Jπ for the ground state, Q(α), mass excess, Q(p), reduced decay width and α-decay hindrance factor using Rasmussen method, no evidence for the observation of protons; discussed logistics of proton emission from the decay of ¹⁹⁰At. Systematics of experimental ground-state α-decay energies Q(α) of ^{105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124}At, and compared with predictions from various mass models.

doi: 10.1103/PhysRevC.107.064312
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2023RA04      Nucl.Phys. A1032, 122622 (2023)

Y.Rahma, S.Ouichaoui, J.Kiener, E.A.Lawrie, J.J.Lawrie, V.Tatischeff, A.Belhout, D.Moussa, W.Yahia-Cherif, H.Benhabiles-Mezhoud, T.D.Bucher, T.R.S.Dinoko, A.Chafa, J.L.Conradie, S.Damache, M.Debabi, I.Deloncle, J.L.Easton, M.Fouka, C.Hamadache, F.Hammache, P.Jones, B.V.Kheswa, N.A.Khumalo, T.Lamula, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, S.Ouziane, P.Papka, S.Peterson, M.Kumar Raju, V.Ramanathan, B.M.Rebeiro, N.de Sereville, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, S.Wyngaardt

γ-ray emission in proton-induced nuclear reactions on ^natC and Mylar targets over the incident energy range, E_p = 30 - 200 MeV. Astrophysical implications

NUCLEAR REACTIONS ¹²C, ¹⁶O, ²⁴Mg, ²⁸Si, ⁵⁶Fe(p, X), E=30-200 MeV; measured reaction products; deduced γ-ray production σ. The K = 200 separated sector cyclotron of iThemba LABS using a high-energy resolution, high-efficiency detection array composed of 8 Compton-suppressed clover detectors comprising 32 HP-Ge crystals for recording the γ-ray energy spectra.

doi: 10.1016/j.nuclphysa.2023.122622
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2022IN01      Phys.Rev. C 106, 054315 (2022)

V.W.Ingeberg, P.Jones, L.Msebi, S.Siem, M.Wiedeking, A.A.Avaa, M.V.Chisapi, E.A.Lawrie, K.L.Malatji, L.Makhathini, S.P.Noncolela, O.Shirinda

Nuclear level density and γ-ray strength function of ⁶³Ni

NUCLEAR REACTIONS ⁶⁴Ni(p, d), E=27.4 MeV; measured deuteron spectrum, Eγ, Iγ, (deuteron)γ-coin, angular distributions. ⁶³Ni; deduced nuclear level density (NLD) and γ-strength function. Oslo method type of analysis. Comparison with experimental results of other Ni isotopes and large-scale shell model calculations for ⁶³Ni. S2 silicon ΔE-E telescopes for charged particles and AFRODITE γ-detector array (8 HPGe CLOVER+2 LaBr₃:Ce(3.5x8")+6 LaBr₃:Ce(2x2")) at Separated Sector Cyclotron (iThemba LABS).

doi: 10.1103/PhysRevC.106.054315
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2022LI08      Phys.Rev. C 105, 024308 (2022)

K.C.W.Li, P.Adsley, R.Neveling, P.Papka, F.D.Smit, E.Nikolskii, J.W.Brummer, L.M.Donaldson, M.Freer, M.N.Harakeh, F.Nemulodi, L.Pellegri, V.Pesudo, M.Wiedeking, E.Z.Buthelezi, V.Chudoba, S.V.Fortsch, P.Jones, M.Kamil, J.P.Mira, G.G.O'Neill, E.Sideras-Haddad, B.Singh, S.Siem, G.F.Steyn, J.A.Swartz, I.T.Usman, J.J.van Zyl

Multiprobe study of excited states in ¹²C: Disentangling the sources of monopole strength between the energy of the Hoyle state and e_x = 13 MeV

NUCLEAR REACTIONS ¹²C(α, α'), E=118, 160, 196, 200; ¹⁴C(p, t), E=67.5, 100 MeV; measured reaction products, Eα, Iα, (particle)α-coin; deduced excitation energy spectra. ¹²C; deduced levels, J, π, resonances, resonance widths, monopole strength distribution. Discussed the nature of monopole strength excess at around 9 MeV as possible breathing-mode excitation of the Hoyle state. CAKE-array of double-sided silicon strip detectors coupled with K600 magnetic spectrometer at iThemba LABS.

doi: 10.1103/PhysRevC.105.024308
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2022LI13      Phys.Lett. B 827, 136928 (2022)

K.C.W.Li, F.D.Smit, P.Adsley, R.Neveling, P.Papka, E.Nikolskii, J.W.Brummer, L.M.Donaldson, M.Freer, M.N.Harakeh, F.Nemulodi, L.Pellegri, V.Pesudo, M.Wiedeking, E.Z.Buthelezi, V.Chudoba, S.V.Fortsch, P.Jones, M.Kamil, J.P.Mira, G.G.O'Neill, E.Sideras-Haddad, B.Singh, S.Siem, G.F.Steyn, J.A.Swartz, I.T.Usman, J.J.van Zyl

Investigating the predicted breathing-mode excitation of the Hoyle state

NUCLEAR REACTIONS ¹²C(α, α'), E=200 MeV; ¹⁴C(p, t)¹²C, E not given; measured reaction products. ¹²C; deduced experimentally observed inclusive yields, monopole resonance as the breathing-mode excitation of the Hoyle state. The K600 spectrometer at the iThemba Laboratory for Accelerator-Based Sciences (iThemba LABS) in South Africa.

doi: 10.1016/j.physletb.2022.136928
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2022LU01      Phys.Rev. C 105, 024305 (2022)

D.W.Luo, C.Xu, Y.K.Wang, Z.H.Li, R.A.Bark, S.Q.Zhang, H.Hua, S.Y.Wang, J.Peng, X.Q.Li, H.Y.Wu, X.Wang, C.G.Wu, Q.T.Li, J.Lin, Y.Jin, W.Z.Xu, L.Mu, J.Meng, F.R.Xu, Y.L.Ye, D.X.Jiang, P.Jones, E.A.Lawrie, P.Papka, M.F.Nkalanga, T.D.Bucher, M.V.Chisapi, L.Msebi, S.Jongile, S.Ntshangase, B.R.Zikhali, S.H.Mthembu, T.Seakamela, M.A.Sithole, O.Shirihda, A.A.Aava, L.Mdletshe, K.L.Malatji, S.Mhlongo, L.Makhathini

Collective structures in ⁶²Cu

NUCLEAR REACTIONS ⁵⁴Cr(¹²C, 3np), E=67 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. ⁶²Cu; deduced levels, J, π, high-spin levels, B(M1)/B(E2), configurations, γγ(linear polarization). Comparison with calculations using the self-consistent tilted axis cranking covariant density functional theory (TAC-C DFT). Comparison with level structures in ^60,64Ca. AFRODITE array at the iThemba LABS accelerator facility.

doi: 10.1103/PhysRevC.105.024305
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2022MD01      Phys.Rev. C 106, 044325 (2022)

L.Mdletshe, X.Q.Yang, E.A.Lawrie, M.A.Sithole, S.N.T.Majola, S.S.Ntshangase, J.F.Sharpey-Schafer, J.J.Lawrie, S.H.Mthembu, T.D.Bucher, L.Msebi, R.A.Bark, A.A.Avaa, M.V.Chisapi, P.Jones, S.Jongile, Z.P.Li, L.Makhathini, K.L.Malatji, A.A.Netshiya, Z.Shi, B.Y.Song, L.Wang, J.Xiang, S.Q.Zhang

Collective rotational bands at low excitation energy in ¹⁸⁶Os: Vibrational and rotational degrees of freedom

NUCLEAR REACTIONS ¹⁸⁶W(α, 4n), E=48 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁶Os; deduced levels, J, π, linear polarization asymmetries, angular distribution ratios, high-spin states, bands structure, staggering parameter; calculated levels, J, π, bands structure, potential energy surfaces, staggering parameter. Five-dimensional collective Hamiltonian based on the covariant density functional theory (5DCH-CDFT) and triaxial rotor model (TRM) calculations. Systematics of the bands alignments for ^{182,184,186,188,190,192}Os isotopes. AFRODITE γ-ray spectrometer consisting of 11 clover HPGe detectors at iThemba LABS Separated-Sector Cyclotron.

doi: 10.1103/PhysRevC.106.044325
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022MS01      Nucl.Instrum.Methods Phys.Res. A1026, 166195 (2022)

L.Msebi, V.W.Ingeberg, P.Jones, J.F.Sharpey-Schafer, A.A.Avaa, T.D.Bucher, C.P.Brits, M.V.Chisapi, D.J.C.Kenfack, E.A.Lawrie, K.L.Malatji, B.Maqabuka, L.Makhathini, S.P.Noncolela, J.Ndayishimye, A.Netshiya, O.Shrinda, M.Wiedeking, B.R.Zikhali

A fast-timing array of 2" x 2" LaBr₃:Ce detectors for lifetime measurements of excited nuclear

RADIOACTIVITY ⁶⁰Co(β^-), ¹⁵²Eu(EC), (β^-), ⁶⁷Ga, ¹³³Ba(EC); measured decay products, Eγ, Iγ; deduced γ-ray energies, level T_1/2.

NUCLEAR REACTIONS ⁴⁵Sc(p, α), (p, d), ⁶⁴Ni(p, p'), E=27 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level, J, π, T_1/2.

doi: 10.1016/j.nima.2021.166195
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2022MU09      Phys.Lett. B 827, 137006 (2022)

L.Mu, S.Y.Wang, C.Liu, B.Qi, R.A.Bark, J.Meng, S.Q.Zhang, P.Jones, S.M.Wyngaardt, H.Jia, Q.B.Chen, Z.Q.Li, S.Wang, D.P.Sun, R.J.Guo, X.C.Han, W.Z.Xu, X.Xiao, P.Y.Zhu, H.W.Li, H.Hua, X.Q.Li, C.G.Li, R.Han, B.H.Sun, L.H.Zhu, T.D.Bucher, B.V.Kheswa, N.Khumalo, E.A.Lawrie, J.J.Lawrie, K.L.Malatji, L.Msebi, J.Ndayishimye, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, T.Dinoko, S.S.Ntshangase

First observation of the coexistence of multiple chiral doublet bands and pseudospin doublet bands in the A ≈ 80 mass region

NUCLEAR REACTIONS ⁸²Se(α, X)⁸¹Kr, E=65, 68 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, two nearly degenerate positive-parity bands. Comparison with the constrained covariant density functional theory and the multiparticle plus rotor model calculations.

doi: 10.1016/j.physletb.2022.137006
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022NG01      Nucl.Instrum.Methods Phys.Res. B513, 21 (2022)

P.Z.Ngcobo, R.A.Bark, A.Buffler, P.Papka, D.R.Geduld, P.Jones, L.Makhathini, P.Maleka, N.Mantengu, S.S.Ntshangase, F.D.Smit

Measurement of neutron production from an ¹⁸O target

NUCLEAR REACTIONS ¹⁸O(p, n), E30, 42, 54, 66 MeV; measured reaction products, En, In; deduced neutron yields and σ. Comparison with FLUKA simulations.

doi: 10.1016/j.nimb.2021.12.007
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2022OL03      Phys.Rev. C 105, 054319 (2022)

S.D.Olorunfunmi, R.Neveling, J.Carter, P.von Neumann-Cosel, I.T.Usman, P.Adsley, A.Bahini, L.P.L.Baloyi, J.W.Brummer, L.M.Donaldson, H.Jivan, N.Y.Kheswa, K.C.W.Li, D.J.Marin-Lambarri, P.T.Molema, C.S.Moodley, G.G.O'Neill, P.Papka, L.Pellegri, V.Pesudo, E.Sideras-Haddad, F.D.Smit, G.F.Steyn, A.A.Avaa, F.Diel, F.Dunkel, P.Jones, V.Karayonchev

Evolution of the isoscalar giant monopole resonance in the Ca isotope chain

NUCLEAR REACTIONS Ca, ^42,44,48Ca(α, α'), E=196 MeV; measured Eα, Iα; deduced σ(θ), isoscalar giant monopole resonance strength distribution in the 9.5-25.5 MeV range, nucleus incompressibility K_A. Analysis with difference-of-spectra (DoS) technique using measurements at 2 different angular covege settings of the spectrometer. Comparison to previous experimental results. K600 magnetic spectrometer at iThemba LABS.

doi: 10.1103/PhysRevC.105.054319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1023.

2022RE10      Phys.Rev. C 106, 014320 (2022)

K.Rezynkina, D.D.Dao, G.Duchene, J.Dudouet, F.Nowacki, E.Clement, A.Lemasson, C.Andreoiu, A.Astier, G.de Angelis, G.de France, C.Delafosse, I.Deloncle, F.Didierjean, Z.Dombradi, C.Ducoin, A.Gadea, A.Gottardo, D.Guinet, B.Jacquot, P.Jones, T.Konstantinopoulos, I.Kuti, A.Korichi, S.M.Lenzi, G.Li, F.Le Blanc, C.Lizarazo, R.Lozeva, G.Maquart, B.Million, C.Michelagnoli, D.R.Napoli, A.Navin, R.M.Perez-Vidal, C.M.Petrache, N.Pietralla, D.Ralet, M.Ramdhane, M.Rejmund, O.Stezowski, C.Schmitt, D.Sohler, D.Verney

Structure of ⁸³As, ⁸⁵As, and ⁸⁷As: From semimagicity to γ softness

NUCLEAR REACTIONS ⁹Be(²³⁸U, X)⁸³As/⁸⁵As/⁸⁷As, E=6.2 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, γγ-coin using the VAMOS++ spectrometer for particle detection and AGATA array for γ radiation at GANIL facility. ^83,85,87As; deduced levels, J, π, collectivity in a prolate deformed, γ-soft regime in the open shell nuclei. Comparison with shell-model calculations. Systematics of energies of 9/2+ states in ^83,85,87,89As, ^85,87,89,91Br, ^87,89,91,93Rb, ^89,91,93,95Y from experimental data and large-scale shell-model calculations.

NUCLEAR STRUCTURE ^85,87As; calculated levels, J, π, potential energy surfaces (PES) in (β, γ) planes, wave functions amplitudes in K-quantum numbers. Large-scale shell-model calculations, SU3 symmetries, and beyond mean-field calculations.

doi: 10.1103/PhysRevC.106.014320
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022WA21      Phys.Rev. C 106, L011303 (2022)

C.G.Wang, R.Han, C.Xu, H.Hua, R.A.Bark, S.Q.Zhang, S.Y.Wang, T.M.Shneidman, S.G.Zhou, J.Meng, S.M.Wyngaardt, A.C.Dai, F.R.Xu, X.Q.Li, Z.H.Li, Y.L.Ye, D.X.Jiang, C.G.Li, C.Y.Niu, Z.Q.Chen, H.Y.Wu, D.W.Luo, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, N.B.Zhang, R.J.Guo, P.Jones, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Maqabuka, L.Makhathini, L.Mdletshe, O.Shirinda, K.Sowazi

First evidence of an octupole rotational band in Ge isotopes

NUCLEAR REACTIONS ⁷⁴Ge(α, 3nα)⁷¹Ge, E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using AFRODITE array for γ detection at the Separated Sector Cyclotron facility of iThemba LABS. ⁷¹Ge; deduced levels, J, π, multipolarities, alignments, rotational bands, octupole rotational band. Comparison with semi-microscopic cluster model calculations. Systematics of energies of 15/2- states in ^67,69,71Ge, and those of 2+ and 3- states in ^{66,68,70,72,74}Ge. Systematics of B(E1)/B(E2) ratios for 19/2- states in ^67,71Ge in comparison to the ratio for octupole-deformed ²²⁰Ra nucleus. ⁷¹Ge, ⁷⁴Se; calculated levels, J, π, B(E2) using two-center shell model (TCSM), and compared with experimental data.

doi: 10.1103/PhysRevC.106.L011303
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022XI09      Phys.Rev. C 106, 064302 (2022)

X.Xiao, S.Y.Wang, C.Liu, R.A.Bark, J.Meng, S.Q.Zhang, B.Qi, H.Hua, P.Jones, S.M.Wyngaardt, S.Wang, D.P.Sun, Z.Q.Li, N.B.Zhang, H.Jia, R.J.Guo, X.C.Han, L.Mu, X.Lu, W.Z.Xu, C.Y.Niu, C.G.Wang, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Maqabuka, L.Makhathini, L.Mdletshe, N.A.Khumalo, O.Shirinda, K.Sowazi

Chirality and octupole correlations in ⁷⁴As

NUCLEAR REACTIONS ⁷⁴Ge(α, 3np), E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). ⁷⁴As; deduced levels, J, π, angular distributions from the oriented states (ADO) ratio, polarization asymmetry, bands structure, high-spin states, configurations, energy staggering parameter, B(M1)/B(E2) and B(E2)/B(E1) ratios, energy displacement between bands. Systematics of the excitation energies for the yrast states above I=7 in ^70,72,74As. Positive-parity bands are interpreted as chiral doublet bands. Found experimental evidence of octupole correlations existence in ⁷⁴As, similar to ⁷³Br. Comparison to triaxial particle rotor model (TPRM) calculations. AFRODITE array consisting of 8 Compton suppressed clover detectors and 2 low-energy photon spectrometer (LEPS) detectors at separated Sector Cyclotron of iThemba LABS.

doi: 10.1103/PhysRevC.106.064302
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021DI09      Phys.Rev. C 104, 064304 (2021)

B.Ding, C.M.Petrache, S.Guo, E.A.Lawrie, I.Wakudyanaye, Z.H.Zhang, H.L.Wang, H.Y.Meng, D.Mengoni, Y.H.Qiang, J.G.Wang, C.Andreoiu, A.Astier, A.Avaa, T.Back, R.A.Bark, D.Bazzacco, A.Boso, T.D.Bucher, B.Cederwall, M.V.Chisapi, H.L.Fan, F.Galtarossa, F.H.Garcia, A.Goasduff, G.Jaworski, P.Jones, I.Kuti, J.J.Lawrie, G.S.Li, R.Li, M.L.Liu, Z.Liu, B.Lomberg, B.F.Lv, T.Marchlewski, L.Mdletshe, L.Msebi, S.H.Mthembu, D.R.Napoli, A.Netshiya, M.F.Nkalanga, J.N.Orce, K.Ortner, F.Recchia, S.Riccetto, A.Rohilla, T.W.Seakamela, M.Siciliano, M.A.Sithole, D.Sohler, J.Srebrny, D.Testov, A.Tucholski, J.J.Valiente-Dobon, F.Wentzel, K.Whitmore, Y.H.Zhang, K.K.Zheng, X.H.Zhou, B.R.Zikhali

Signature splitting of the g_7/2 [404] 7/2⁺ bands in ¹³¹Ba and ¹³³Ce

NUCLEAR REACTIONS ¹²²Sn(¹³C, 4nγ)¹³¹Ba, E=65 MeV from XTU Tandem accelerator at LNL-Legnaro; ¹²⁵Te(¹²C, 4nγ)¹³³Ce, E=57 MeV from separated sector cyclotron of iThemba LABS; measured Eγ, Iγ, γγ-coin, γγ(θ) using GALILEO array of 25 Compton-suppressed HPGe detectors, EUCLIDES silicon ball for charged particles and the Neutron Wall array for neutrons for ¹³¹Ba at Legnaro, and AFRODITE array of eight Compton-suppressed clover detectors for ¹³³Ce at iThemba LABS. ¹³¹Ba, ¹³³Ce; deduced high-spin levels, multipolarities, J, π, bands, quasiparticle alignments, dynamical moments of inertia, signature splittings and configurations. Comparison with cranked shell model and quasiparticle-plus-triaxial-rotor model calculations.

doi: 10.1103/PhysRevC.104.064304
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2021MA04      Phys.Rev. C 103, 014309 (2021)

K.L.Malatji, K.S.Beckmann, M.Wiedeking, S.Siem, S.Goriely, A.C.Larsen, K.O.Ay, F.L.Bello Garrote, L.Crespo Campo, A.Gorgen, M.Guttormsen, V.W.Ingeberg, P.Jones, B.V.Kheswa, P.von Neumann-Cosel, M.Ozgur, G.Potel, L.Pellegri, T.Renstrom, G.M.Tveten, F.Zeiser

Statistical properties of the well deformed ^{153, 155}Sm nuclei and the scissors resonance

NUCLEAR REACTIONS ¹⁵²Sm(d, pγ)¹⁵³Sm, E=13.5 MeV; ¹⁵⁴Sm(d, pγ)¹⁵⁵Sm, E=13 MeV; measured Eγ, Iγ, charged particles, (particle)γ-coin using SiRi particle telescope and CACTUS scintillator arrays at the University of Oslo Cyclotron Laboratory; deduced γ strength functions (γSF) and nuclear level densities (NLD) using the Oslo method and normalized using rigid moment of inertia (RMI) and Hartree-Fock-Bogoliubov plus combinatorial (HFB+comb) models, and extrapolated with the constant temperature (CT) and Fermi gas models, pronounced M1 scissors resonances (SR). Comparison with quasi-particle random phase approximation (QRPA) calculations, with D1M Gogny interaction, and with results of previous experimental results using (d, pγ) and other reactions.

doi: 10.1103/PhysRevC.103.014309
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2021OR05      Phys.Rev. C 104, L061305 (2021)

J.N.Orce, E.J.Martin Montes, K.J.Abrahams, C.Ngwetsheni, B.A.Brown, M.Kumar Raju, C.V.Mehl, M.J.Mokgolobotho, E.H.Akakpo, D.L.Mavela, P.Adsley, R.A.Bark, N.Bernier, T.D.Bucher, N.R.Erasmus, T.S.Dinoko, P.M.Jones, N.Y.Kheswa, N.A.Khumalo, E.A.Lawrie, J.J.Lawrie, B.L.Lesch, S.N.T.Majola, S.S.Ntshangase, P.Papka, V.Pesudo, B.Rebeiro, O.Shirinda, M.Wiedeking, W.Yahia-Cherif

Reorientation-effect measurement of the < 2⁺₁ Ε2 2⁺₁ > matrix element in ³⁶Ar

NUCLEAR REACTIONS ¹⁹⁴Pt(³⁶Ar, ³⁶Ar), E=134.2 MeV; measured Eγ, Iγ, γ(θ), (particle)γ-coin using AFRODITE array of eight HPGe clover detectors coupled to an annular, double-sided silicon detector at iThemba LABS; analyzed Coulomb excitation yields using semiclassical coupled-channel Coulomb-excitation least-squares code GOSIA. ³⁶Ar; deduced E2 matrix element and B(E2) for the first 2+ state, diagonal E2 matrix element and spectroscopic quadrupole moment for the first 2+ state.Systematics of Q(for first 2+)/B(E2) for first 2+ in ²⁰Ne, ²⁴Mg, ²⁸Si, ³²S, ³⁶Ar.

NUCLEAR MOMENTS ³⁶Ar; measured spectroscopic quadrupole moment of the first excited 2+ state by reorientation-effect in Coulomb excitation using ¹⁹⁴Pt(³⁶Ar, ³⁶Ar), E=134.2 MeV, and analyzing Coulomb excitation yields using GOSIA code. Comparison with beyond mean-field and large-scale shell-model calculations, and with experimental spectroscopic quadrupole moments for the first 2+ states in ²⁰Ne, ²⁴Mg, ²⁸Si, ³²S, ³⁶Ar.

doi: 10.1103/PhysRevC.104.L061305
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2021SI05      Phys.Rev. C 103, 024325 (2021)

M.A.Sithole, J.F.Sharpey-Schafer, E.A.Lawrie, S.N.T.Majola, A.Kardan, T.D.Bucher, J.J.Lawrie, L.Mdletshe, S.S.Ntshangase, A.A.Netshiya, P.Jones, L.Makhathini, K.L.Malatji, P.L.Masiteng, I.Ragnarsson, B.Maqabuka, J.Ndayishimye, O.Shirinda, B.R.Zikhali, S.Jongile, G.O'Neill, L.Msebi, P.M.Someketa, D.Kenfack, S.H.Mthembu, T.C.Khumalo, M.V.Chisapi

Low- and medium-spin negative-parity bands in the ¹⁸⁷Os nucleus

NUCLEAR REACTIONS ¹⁸⁶W(α, 3n)¹⁸⁷Os, E=37 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using AFRODITE array of 11 Compton-suppressed HPGe clover detectors at the K=200 cyclotron facility of iThemba Labs. ¹⁸⁷Os; deduced high-spin levels, J, π, multipolarities, bands, alignment plots, experimental Routhians, Nilsson configurations; calculated total energy surfaces contours in (ϵ₂cos(γ+30°), ϵ₂sin(γ+30°)) plane using the cranked Nilsson-Strutinsky-Bogoliubov (CNSB) models. Bands interpreted within the cranked shell model (CSM) and CNSB formalism.

doi: 10.1103/PhysRevC.103.024325
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2021SI30      Phys.Rev. C 104, 044326 (2021)

M.A.Sithole, E.A.Lawrie, L.Mdletshe, S.N.T.Majola, A.Kardan, T.D.Bucher, J.F.Sharpey-Schafer, J.J.Lawrie, S.S.Ntshangase, A.A.Avaa, R.A.Bark, M.V.Chisapi, P.Jones, S.Jongile, D.Kenfack, T.C.Khumalo, L.Makhathini, K.L.Malatji, B.Maqabuka, S.H.Mthembu, L.Msebi, A.A.Netshiya, G.O'Neill, O.Shirinda, P.M.Someketa, B.R.Zikhali

Structure of collective states built on the 11/2⁺ isomer in ¹⁸⁷Os: Quasiparticle-plus-triaxial-rotor model and interpretation as tilted-precession bands

NUCLEAR REACTIONS ¹⁸⁶W(α, 3n)¹⁸⁷Os, E=37.0 MeV; measured Eγ, Iγ, γγ-coin, γγ(angular anisotropy), γγ(linear polarization) using AFRODITE array for γ detection at k=200 Separated Sector Cyclotron of iThemba LABS. ¹⁸⁷Os; deduced high-spin levels, J, π, multipolarities, rotational bands, tilted precession (TiP) bands, Nilsson configurations, alignment and Routhian plots, three-dimensional triaxially-deformed nucleus. Comparison with quasiparticle-plus-triaxial-rotor model calculations. Systematics of band structures of ^183,185,187Os and those of positive-parity bands in ^{182,184,186,188,190,192}Os.

doi: 10.1103/PhysRevC.104.044326
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2021ST20      J.Phys.(London) G48, 125101 (2021)

S.Stolze, T.Grahn, R.Julin, D.T.Joss, K.Andgren, K.Auranen, S.Bonig, D.Cox, I.G.Darby, M.Doncel, S.Eeckhaudt, P.T.Greenlees, B.Hadinia, A.Herzan, U.Jakobsson, P.Jones, S.Juutinen, S.Ketelhut, J .Konki, T.Kroll, A.-P.Leppanen, M.Nyman, R.D.Page, J.Pakarinen, J.Partanen, C.G.McPeake, D.O'Donnell, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Simpson, J.Sorri, M.J.Taylor, A.Thornthwaite, J.Uusitalo

Single-particle and collective excitations in the transitional nucleus ¹⁶⁶Os

NUCLEAR REACTIONS ⁹²Mo(⁷⁸Kr, 2n2p)¹⁶⁶Os, E=357, 368 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, J, π, level scheme, T_1/2, B(E2). Comparison with available data. RDDS and RSAM methods. The Accelerator Laboratory of the University of Jyvaskyla, Finland.

doi: 10.1088/1361-6471/ac2889
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2021ZH63      Phys.Rev. C 104, 064305 (2021)

W.Zhang, B.Cederwall, C.Qi, A.Ertoprak, O.Aktas, X.Liu, K.Andgren, K.Auranen, T.Back, L.Barber, G.Beeton, D.M.Cullen, I.G.Darby, M.R.Dimmock, S.Eeckhaudt, E.Ganioglu, M.Gorska, T.Grahn, P.T.Greenlees, B.Hadinia, E.Ideguchi, A.Illana, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, J.M.Keatings, A.Khaplanov, F.Kulali, M.Leino, M.Luoma, B.Lv, B.S.Nara Singh, L.Nelson, M.Niikura, M.Nyman, J.Ojala, R.D.Page, J.Pakarinen, E.S.Paul, C.Petrache, M.Petri, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.F.Smith, J.Sorri, H.Tann, G.Zimba, J.Uusitalo, R.Wadsworth, R.Wyss

Identification of excited states in ¹⁰⁷₅₂Te₅₅

NUCLEAR REACTIONS ⁵⁸Ni(⁵⁴Fe, 3n2p)¹⁰⁷Te, E=195 MeV; ⁵⁴Fe(⁵⁸Ni, 3n2p)¹⁰⁷Te, E=215 MeV; measured recoils, Eγ, Iγ, γγ-coin, (particle)γ-coin using EUROGAM array of 43 Compton-suppressed HPGe detectors and recoiling fusion evaporation products separated by RITU separator and implanted into two double-sided silicon strip detectors (DSSDs) of the GREAT spectrometer in ⁵⁸Ni(⁵⁴Fe, 3n2p) experiment, and using Jurogam III array of 15 Eurogam and 24 Euroball clover escape-suppressed Ge detectors, with evaporation products separated by MARA separator and implanted into the DSSD for the ⁵⁴Fe(⁵⁸Ni, 3n2p) experiment, both performed at the University of Jyvaskyla Accelerator Laboratory using recoil-decay tagging technique. ¹⁰⁷Te; deduced high-spin levels, J, π, νh_11/2 band. Comparison with large-scale shell-model calculations and total Routhian surface calculations. Systematics of νh_11/2 bands and level structures in ^{107,109,111,113,115,117,119}Te.

doi: 10.1103/PhysRevC.104.064305
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2020AV02      Nucl.Instrum.Methods Phys.Res. A964, 163809 (2020)

A.A.Avaa, P.Jones, I.T.Usman, M.V.Chisapi, T.Kibedi, B.R.Zikhali, L.Msebi

Electron spectrometer for electric monopole (E0) transition studies in nuclei

NUCLEAR REACTIONS ⁷⁰Ge(α, X)⁷²As/⁷²Se/⁷²Ge, E=30 MeV; measured reaction products, Eγ, Iγ, E(ce), I(ce); deduced internal conversion coefficients, partial level schemes, J, π, multipolarities, E0/E2 branching ratios, monopole strengths of the electromagnetic transitions. Comparison with availabledata.

doi: 10.1016/j.nima.2020.163809
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2020DO10      Phys.Lett. B 811, 135855 (2020)

J.T.H.Dowie, T.Kibedi, D.G.Jenkins, A.E.Stuchbery, A.Akber, H.A.Alshammari, N.Aoi, A.Avaa, L.J.Bignell, M.V.Chisapi, B.J.Coombes, T.K.Eriksen, M.S.M.Gerathy, T.J.Gray, T.H.Hoang, E.Ideguchi, P.Jones, M.Kumar Raju, G.J.Lane, B.P.McCormick, L.J.McKie, A.J.Mitchell, N.J.Spinks, B.P.E.Tee

Evidence for shape coexistence and superdeformation in ²⁴Mg

NUCLEAR REACTIONS ²⁴Mg(p, p'), E=8 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced level energies, J, π, level lifetimes, E0 strength. Comparison with shell model calculations using NuShellX and the USDA interaction in the sd model space.

doi: 10.1016/j.physletb.2020.135855
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2020ER01      Eur.Phys.J. A 56, 65 (2020)

A.Ertoprak, B.Cederwall, C.Qi, O.Aktas, M.Doncel, B.Hadinia, R.Liotta, M.Sandzelius, C.Scholey, K.Andgren, T.Back, H.Badran, T.Braunroth, T.Calverley, D.M.Cox, D.M.Cullen, Y.D.Fang, E.Ganioglu, M.Giles, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, J.Hilton, D.Hodge, E.Ideguchi, U.Jakobsson, A.Johnson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.Khaplanov, M.Kumar Raju, M.Leino, H.Li, H.Liu, S.Matta, V.Modamio, B.S.Nara Singh, M.Niikura, M.Nyman, I.Ozgur, R.D.Page, J.Pakarinen, P.Papadakis, J.Partanen, E.S.Paul, C.M.Petrache, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, J.Sorri, S.Stolze, P.Subramaniam, M.J.Taylor, J.Uusitalo, J.J.Valiente-Dobon, R.Wyss

Evidence for octupole collectivity in ¹⁷²Pt

NUCLEAR REACTIONS ⁹⁶Ru(⁷⁸Kr, 2pγ)¹⁷²Pt, E=342, 348 MeV; ⁹²Mo(⁸³Kr, 3nγ)¹⁷²Pt, E=383 MeV; Measured Eγ, Iγ, γγ-coin, γ(θ), γγ(linear polarization), recoils using RITU gas-filled separator, JUROGAM I and JUROGAM II arrays of HPGe detectors, and the GREAT spectrometer consisting of silicon strip detectors, multiwire proportional counter (MWPC), array of Si PIN-diode detectors, one planar and one clover HPGe detector at the K-130 cyclotron facility of the University of Jyvaskyla. 172Pt; deduced high-spin levels, Jπ, multipolarities, bands, configurations, evidence for octupole collectivity. Comparison with large-scale shell model (LSSM) and total Routhian surface (TRS) calculations.

doi: 10.1140/epja/s10050-020-00071-6
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2020ER03      Phys.Rev. C 102, 024320 (2020)

T.K.Eriksen, T.Kibedi, M.W.Reed, A.E.Stuchbery, K.J.Cook, A.Akber, B.Alshahrani, A.A.Avaa, K.Banerjee, A.C.Berriman, L.T.Bezzina, L.Bignell, J.Buete, I.P.Carter, B.J.Coombes, J.T.H.Dowie, M.Dasgupta, L.J.Evitts, A.B.Garnsworthy, M.S.M.Gerathy, T.J.Gray, D.J.Hinde, T.H.Hoang, S.S.Hota, E.Ideguchi, P.Jones, G.J.Lane, B.P.McCormick, A.J.Mitchell, N.Palalani, T.Palazzo, M.Ripper, E.C.Simpson, J.Smallcombe, B.M.A.Swinton-Bland, T.Tanaka, T.G.Tornyi, M.O.de Vries

Improved precision on the experimental E0 decay branching ratio of the Hoyle state

NUCLEAR REACTIONS ¹²C(p, p'), E=10.5 MeV; measured electron-positron pairs for E0 transition from the first excited 0+ Hoyle state, and for E2 transition from the first 2+ state, Eγ, (ce)(ce)- and (ce)γ-coin, γ(θ), E(p), I(p) using the superconducting solenoid Super-e pair spectrometer and Si(Li) detector array for electrons and positrons, HPGe detector for γ radiation, and ANU BALiN double sided silicon strip detector array for scattered protons at the 14 UD pelletron tandem accelerator of Australian National University; deduced E0 branching ratio Γ^E0_π/Γ, reduction in radiative width. Comparison with previous experimental measurements; calculated 3α reaction rate within the temperature range of helium burning red giant stars using the NACRE library value. Possible impact on astrophysical calculations.

doi: 10.1103/PhysRevC.102.024320
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2020IN01      Eur.Phys.J. A 56, 68 (2020)

V.W.Ingeberg, S.Siem, M.Wiedeking, K.Sieja, D.L.Bleuel, C.P.Brits, T.D.Bucher, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, K.L.Malatji, L.Makhathini, B.Maqabuka, D.Negi, S.P.Noncolela, P.Papka, E.Sahin, R.Schwengner, G.M.Tveten, F.Zeiser, B.R.Zikhali

First application of the Oslo method in inverse kinematics

doi: 10.1140/epja/s10050-020-00070-7
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2020MA16      Phys.Rev. C 101, 044312 (2020)

S.N.T.Majola, M.A.Sithole, L.Mdletshe, D.Hartley, J.Timar, B.M.Nyako, J.M.Allmond, R.A.Bark, C.Beausang, L.Bianco, T.D.Bucher, S.P.Bvumbi, M.P.Carpenter, C.J.Chiara, N.Cooper, D.M.Cullen, D.Curien, T.S.Dinoko, B.J.P.Gall, P.E.Garrett, P.T.Greenlees, J.Hirvonen, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, B.V.Kheswa, F.G.Kondev, A.Korichi, W.D.Kulp, T.Lauritsen, E.A.Lawrie, L.Makhathini, P.L.Masiteng, B.Maqabuka, E.A.McCutchan, D.Miller, S.Miller, A.Minkova, L.Msebi, S.H.Mthembu, J.Ndayishimye, P.Nieminen, P.Z.Ngcobo, S.S.Ntshangase, J.N.Orce, P.Peura, P.Rahkila, N.Redon, L.L.Riedinger, M.A.Riley, D.G.Roux, P.Ruotsalainen, J.Piot, J.Saren, J.F.Sharpey-Schafer, C.Scholey, O.Shirinda, J.Simpson, J.Sorri, I.Stefanescu, S.Stolze, J.Uusitalo, X.Wang, V.Werner, J.L.Wood, C.-H.Yu, S.Zhu, G.Zimba

First candidates for γ vibrational bands built on the [505] 11/2^- neutron orbital in odd-A Dy isotopes

NUCLEAR REACTIONS ¹⁵⁵Gd(α, 2n)¹⁵⁷Dy, E=25 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the JUROGAM II array at the University of Jyvaskyla. ¹⁴⁸Nd(¹²C, 5n)¹⁵⁵Dy, E=65 MeV; ¹²⁴Sn(³⁶S, 5n)¹⁵⁵Dy, E=165 MeV; measured Eγ, Iγ, γγ-coin using GAMMASPHERE array at Argonne National Laboratory. ^155,157Dy; deduced high-spin levels, J, π, multipolarities, Kπ=0+ bands, Kπ=2+ γ-vibrational bands, configurations, alignments, B(M1)/B(E2) ratios. ¹⁵⁷Dy; calculated neutron quasiparticle Routhians using cranked shell model (CSM). ^154,156Dy; discussed first excited 0+ states in the core nuclei. Systematics of level energies versus spin for γ bands in ^{154,155,156,157,158}Dy and ^{152,153,154,155,156}Gd.

doi: 10.1103/PhysRevC.101.044312
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2020YA21      Phys.Rev. C 102, 025802 (2020)

W.Yahia-Cherif, S.Ouichaoui, J.Kiener, E.A.Lawrie, J.J.Lawrie, V.Tatischeff, A.Belhout, D.Moussa, P.Papka, H.Benhabiles-Mezhoud, T.D.Bucher, A.Chafa, J.L.Conradie, S.Damache, M.Debabi, I.Deloncle, J.L.Easton, C.Hamadache, F.Hammache, P.Jones, B.V.Kheswa, N.A.Khumalo, T.Lamula, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, N.de Sereville, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, S.Wyngaardt

Measurement and analysis of nuclear γ-ray production cross sections in proton interactions with Mg, Si, and Fe nuclei abundant in astrophysical sites over the incident energy range E=30-66 MeV

NUCLEAR REACTIONS ²⁴Mg(p, n), (p, ³He), (p, p'), (p, d), (p, 2p), (p, α), (p, p³He), ²⁵Mg(p, 2n), (p, p'), (p, d), (p, α), (p, t), (p, 2p), (p, ³He), (p, nα), (p, pα), ²⁶Mg(p, 3n), (p, p'), (p, d), (p, nα), (p, t), (p, nt), (p, α), (p, nα), (p, ³He), (p, 2nα), (p, dα), ²⁸Si(p, p'), (p, d), (p, 2p), (p, ³He), (p, p³He), (p, 2pα), (p, pα), (p, dα), (p, 2α), (p, pα³He), ²⁹Si(p, p'), (p, d), (p, t), (p, pd), (p, α), (p, pα), (p, α³He), (p, dα), (p, tα), (p, n2α), (p, p2α), ³⁰Si(p, d), (p, t), (p, nt), (p, α), (p, nα), (p, npα), (p, 2α), (p, tα), (p, 2α), (p, ntα), (p, 2n2α), (p, d2α), ⁵⁶Fe(p, p'), (p, t), (p, d), (p, ³He), (p, α), (p, pα), E=30, 42, 54, 66 MeV; measured Eγ, Iγ, γ(θ), integrated γ-ray cross sections using natural and enriched targets and AFRODITE array with eight Compton-suppressed HPGe clover detectors at the Separated Sector Cyclotron (SSC) of iThemba LABS; deduced angular distribution coefficients and multipolarities of γ-ray transitions, branching ratios and assignments to levels in product nuclei. Comparison to theoretical predictions using the code TALYS, with modified optical model potential (OMP) parameters deformation parameters, and level density parameters. ²⁴Mg(p, p'), E=49.5 MeV; ²⁸Si(p, p'), E=65 MeV; ⁵⁶Fe(p, p'), E=30, 65 MeV; analyzed σ(θ) data in literature using OPTMAN code; deduced optical potential model parameters, deformation parameters β₂, β₄ and γ. Comparison with γ-ray cross section data in literature. Discussed astrophysical implications of results of present experiment through TALYS calculation of γ-ray line emission spectra over the photon energy range of 0.1-10 MeV, expected to be generated in interactions of the low-energy cosmic rays (LECRs) in the inner Galaxy.

doi: 10.1103/PhysRevC.102.025802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0984.

2019DU18      Phys.Rev. C 100, 011301 (2019)

J.Dudouet, A.Lemasson, G.Maquart, F.Nowacki, D.Verney, M.Rejmund, G.Duchene, O.Stezowski, E.Clement, C.Michelagnoli, A.Korichi, C.Andreoiu, A.Astier, G.de Angelis, G.de France, C.Delafosse, I.Deloncle, F.Didierjean, Z.Dombradi, C.Ducoin, A.Gadea, A.Gottardo, D.Guinet, B.Jacquot, P.Jones, T.Konstantinopoulos, I.Kuti, F.Le Blanc, S.M.Lenzi, G.Li, R.Lozeva, B.Million, D.R.Napoli, A.Navin, R.M.Perez-Vidal, C.M.Petrache, D.Ralet, M.Ramdhane, N.Redon, C.Schmitt, D.Sohler

Excitations of the magic N=50 neutron-core revealed in ⁸¹Ga

NUCLEAR REACTIONS ⁹Be(²³⁸U, F)⁷²Ga/⁷³Ga/⁷⁴Ga/⁷⁵Ga/⁷⁶Ga/⁷⁷Ga/⁷⁸Ga/⁷⁹Ga/⁸⁰Ga/⁸¹Ga/⁸²Ga/⁸³Ga/⁸¹Ge/⁸¹As/⁸¹Se, E=6.2 MeV/nucleon; measured yields of fission fragments, Eγ, Iγ, (fragment)γ- and γγ-coin using the VAMOS++ spectrometer for fragment identification and AGATA array for γ detection at GANIL. ⁸¹Ga; deduced high-spin levels, J, π. Systematics of shell gap in N=50 isotones: ⁷⁸Ni, ⁷⁹Cu, ⁸⁰Zn, ⁸¹Ga, ⁸²Ge, ⁸³As, ⁸⁴Se. Comparison with state-of-the-art large-scale shell model (LSSM) calculations.

NUCLEAR STRUCTURE ⁷⁸Ni, ⁸¹Ga; calculated levels, J, π and decomposition of the wave functions for states in the two nuclide. Large-scale shell model (LSSM) calculations.

doi: 10.1103/PhysRevC.100.011301
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2019LI45      Phys.Rev. C 100, 044318 (2019)

C.G.Li, Q.B.Chen, S.Q.Zhang, C.Xu, H.Hua, S.Y.Wang, R.A.Bark, S.M.Wyngaardt, Z.Shi, A.C.Dai, C.G.Wang, X.Q.Li, Z.H.Li, J.Meng, F.R.Xu, Y.L.Ye, D.X.Jiang, R.Han, C.Y.Niu, Z.Q.Chen, H.Y.Wu, X.Wang, D.W.Luo, C.G.Wu, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, B.H.Sun, P.Jones, L.Msebi, J.F.Sharpey-Schafer, T.Dinoko, E.A.Lawrie, S.S.Ntshangase, B.V.Kheswa, O.Shirinda, N.Khumalo, T.D.Bucher, K.L.Malatji

"Stapler" mechanism for a dipole band in ⁷⁹Se

NUCLEAR REACTIONS ⁸²Se(α, 3nα)⁷⁹Se, E=65, 68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using AFRODITE array of eight Compton-suppressed clover detectors at the iThemba LABS accelerator facility. ⁷⁹Se; deduced levels, J, π, multipolarities, negative-parity dipole band interpreted as a stapler band, B(M1)/B(E2), configuration. Comparison with calculations using the self-consistent tilted axis cranking covariant density functional theory (TAC-CDFT).

doi: 10.1103/PhysRevC.100.044318
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2019LI49      Phys.Rev. C 100, 054309 (2019)

C.Liu, S.Y.Wang, B.Qi, S.Wang, D.P.Sun, Z.Q.Li, R.A.Bark, P.Jones, J.J.Lawrie, L.Masebi, M.Wiedeking, J.Meng, S.Q.Zhang, H.Hua, X.Q.Li, C.G.Li, R.Han, S.M.Wyngaardt, B.H.Sun, L.H.Zhu, T.D.Bucher, B.V.Kheswa, K.L.Malatji, J.Ndayishimye, O.Shirinda, T.Dinoko, N.Khumalo, E.A.Lawrie, S.S.Ntshangase

New candidate chiral nucleus in the A ≈ 80 mass region: ⁸²₃₅Br₄₇

NUCLEAR REACTIONS ⁸²Se(α, 3np)⁸²Br, E=65, 68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using the AFRODITE array at the separated-sector cyclotron (SSC) of iThemba LABS. ⁸²Br; deduced levels, J, π, multipolarities, band structures, configurations, B(M1)/B(E2) ratios, energy staggering parameter, degenerate positive-parity chiral doublet bands; calculated valence proton and valence neutron angular momenta as functions of spin for ^78,80,82Br, probability distributions for projection of total angular momentum for the chiral doublet bands in ⁸²Br using triaxial particle rotor model (TPRM).

doi: 10.1103/PhysRevC.100.054309
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2019MA45      Eur.Phys.J. A 55, 88 (2019)

T.Malkiewicz, G.Lhersonneau, M.Fadil, U.Jacobsson, P.Jones, K.Helariutta, P.Karvonen, S.Khlebnikov, W.H.Trzaska

Production of a ¹⁵C radioactive ion beam based on ¹⁸O(n, α)

NUCLEAR REACTIONS ¹⁸O(n, α)¹⁵C, E=fast[target ¹⁸O enriched water]; measured En, In, activation Eγ, Iγ; deduced σ.

doi: 10.1140/epja/i2019-12761-y
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2019MA64      Phys.Rev. C 100, 034322 (2019)

S.N.T.Majola, R.A.Bark, L.Bianco, T.D.Bucher, S.P.Bvumbi, D.M.Cullen, P.E.Garrett, P.T.Greenlees, D.Hartley, J.Hirvonen, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, B.V.Kheswa, A.Korichi, E.A.Lawrie, P.L.Masiteng, B.Maqabuka, L.Mdletshe, A.Minkova, J.Ndayishimye, P.Nieminen, R.Newman, B.M.Nyako, S.S.Ntshangase, P.Peura, P.Rahkila, L.L.Riedinger, M.Riley, D.Roux, P.Ruotsalainen, J.Saren, J.F.Sharpey-Schafer, C.Scholey, O.Shirinda, A.Sithole, J.Sorri, S.Stolze, J.Timar, J.Uusitalo, G.Zimba

Spectroscopy of low-spin states in ¹⁵⁷Dy: Search for evidence of enhanced octupole correlations

NUCLEAR REACTIONS ¹⁵⁵Gd(α, 2n), E=25 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using enriched target and JUROGAM II array at Jyvaskyla. ¹⁵⁷Dy; deduced levels, J, π, multipolarities, rotational bands, interlacing band structures, B(E1)/B(E2) ratios, reflection asymmetric structures with simplex quantum number, octupole correlations, alignments, configurations; calculated neutron quasiparticle Routhians.

doi: 10.1103/PhysRevC.100.034322
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2019MA70      Phys.Rev. C 100, 044324 (2019)

S.N.T.Majola, Z.Shi, B.Y.Song, Z.P.Li, S.Q.Zhang, R.A.Bark, J.F.Sharpey-Schafer, D.G.Aschman, S.P.Bvumbi, T.D.Bucher, D.M.Cullen, T.S.Dinoko, J.E.Easton, N.Erasmus, P.T.Greenlees, D.J.Hartley, J.Hirvonen, A.Korichi, U.Jakobsson, P.Jones, S.Jongile, R.Julin, S.Juutinen, S.Ketelhut, B.V.Kheswa, N.A.Khumalo, E.A.Lawrie, J.J.Lawrie, R.Lindsay, T.E.Madiba, L.Makhathini, S.M.Maliage, B.Maqabuka, K.L.Malatji, P.L.Masiteng, P.I.Mashita, L.Mdletshe, A.Minkova, L.Msebi, S.M.Mullins, J.Ndayishimye, D.Negi, A.Netshiya, R.Newman, S.S.Ntshangase, R.Ntshodu, B.M.Nyako, P.Papka, P.Peura, P.Rahkila, L.L.Riedinger, M.A.Riley, D.G.Roux, P.Ruotsalainen, J.J.Saren, C.Scholey, O.Shirinda, M.A.Sithole, J.Sorri, M.Stankiewicz, S.Stolze, J.Timar, J.Uusitalo, P.A.Vymers, M.Wiedeking, G.L.Zimba

β and γ bands in N=88, 90, and 92 isotones investigated with a five-dimensional collective Hamiltonian based on covariant density functional theory: Vibrations, shape coexistence, and superdeformation

NUCLEAR REACTIONS ¹³⁶Xe(¹⁸O, 4n)¹⁵⁰Sm, E=75 MeV; ¹⁴⁸Nd(α, 2n)¹⁵⁰Sm, E=25 MeV; ¹⁵²Sm(α, 4n)¹⁵²Gd, E=45 MeV; ¹⁵²Sm(α, 2n)¹⁵⁴Gd, E=25 MeV; ¹⁵⁵Gd(³He, 4n)¹⁵⁴Dy, E=37.5 MeV; ¹⁴⁷Sm(¹²C, 3n)¹⁵⁶Er, E=65 MeV; ¹⁵⁵Gd(α, 3n)¹⁵⁶Dy, E=25 MeV; ¹⁴⁴Sm(¹⁸O, 4n)¹⁵⁸Yb, E=78 MeV; ¹⁵⁰Sm(¹²C, 4n)¹⁵⁸Er, E=65 MeV; ¹⁵⁶Gd(α, 2n)¹⁵⁸Dy, E=27 MeV; ¹⁴⁷Sm(¹⁶O, 3n)¹⁶⁰Yb, E=73 MeV; ¹⁵²Sm(¹²C, 4n)¹⁶⁰Er, E=64 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the AFRODITE array at the cyclotron facility of the iThemba Labs for 11 reactions, and JUROGAM II array at Jyvaskyla for ¹⁴⁸Nd(α, 2n)¹⁵⁰Sm and ¹⁵⁵Gd(α, 3n)¹⁵⁶Dy reactions. ¹⁵⁰Sm, ^152,154Gd, ^154,156,158Dy, ^156,160Er, ^158,160Yb; deduced levels, J, π, multipolarities, β, γ and 0+ bands, B(E2) ratios. ^150,152,154Sm, ^152,154,156Gd, ^154,156,158Dy, ^156,158,160Er, ^158,160,162Yb; calculated potential energy surfaces (PES) and probability density distribution contours in (β, γ) plane; deduced staggering parameters, in-band B(E2) values, absolute transition strengths of E0 transitions, X(E0/E2) values from present and previous experimental data. Comparison with 5DCH-CDFT calculations with PC-PK1 density functional.

doi: 10.1103/PhysRevC.100.044324
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2019ND01      Phys.Rev. C 100, 014313 (2019)

J.Ndayishimye, E.A.Lawrie, O.Shirinda, J.L.Easton, J.J.Lawrie, S.M.Wyngaardt, R.A.Bark, T.D.Bucher, S.P.Bvumbi, T.R.S.Dinoko, P.Jones, N.Y.Kheswa, S.N.T.Majola, P.L.Masiteng, D.Negi, J.N.Orce, J.F.Sharpey-Schafer, M.Wiedeking

Competition of rotation around the intermediate and long axes in ¹⁹³Tl

NUCLEAR REACTIONS ¹⁶⁰Gd(³⁷Cl, 4n), E=167 MeV; ¹⁸¹Ta(¹⁸O, 6n), E=105 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(lin pol) using AFRODITE array at iThemba LABS. ¹⁹³Tl; deduced high-spin levels, J, π, alignments, rotational bands, configurations; calculated potential energy surfaces, and positive-parity quasineutron Routhians using cranked shell model calculations. Comparison with previous experimental data, and with band structures in ¹⁹⁴Tl.

doi: 10.1103/PhysRevC.100.014313
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2019SA04      Phys.Rev. C 99, 014315 (2019)

S.Samanta, S.Das, R.Bhattacharjee, S.Chatterjee, R.Raut, S.S.Ghugre, A.K.Sinha, U.Garg, Neelam, N.Kumar, P.Jones, Md.S.R.Laskar, F.S.Babra, S.Biswas, S.Saha, P.Singh, R.Palit

Single particle configurations in ⁶¹Ni

NUCLEAR REACTIONS ⁵⁹Co(⁷Li, nα), (⁷Li, X), E=22-24 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO and ADO), γγ(linear polarization) using 11 Compton-suppressed Ge clover detectors at the Pelletron LINAC facility of TIFR, Mumbai. ⁶¹Ni; deduced high-spin levels, J, π, multipolarities, configurations. Comparison with previous experimental data, and with large basis shell-model calculations.

NUCLEAR STRUCTURE ⁶¹Ni; calculated levels, J, π, representative and dominant partitions of wave functions of positive and negative parity states using large basis shell-model with JJ44BPN and JUN45 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.99.014315
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2019SI41      Eur.Phys.J. A 55, 178 (2019)

M.A.Sithole, J.F.Sharpey-Schafer, S.N.T.Majola, T.D.Bucher, T.R.S.Dinoko, S.S.Ntshangase, E.A.Lawrie, N.A.Khumalo, S.Jongile, L.Mdletshe, R.A.Bark, N.Erasmus, P.Jones, B.V.Kheswa, J.J.Lawrie, L.Makhathini, K.L.Malatji, B.Maqabuka, S.P.Noncolela, J.Ndayishimye, O.Shirinda, B.R.Zikhali, P.L.Masiteng

New collective structures in the ¹⁶³Yb nucleus

NUCLEAR REACTIONS ¹⁵²Sm(¹⁶O, 5n)¹⁶³Yb, E=93 MeV; measured Eγ, Iγ using AFRODITE γ-ray spectrometer at iThemba Labs; deduced ¹⁶³Yb new levels and new rotational bands, the gs based band has been extended to 43/2^- spin, high-K band based on neutron [505]11/2^- Nilsson orbital observed and reported for the first time, observed additional new states which all decay to the yrast band, discussed band structure with reference to Cranked Shell Model (CSM) and systematically compared with neighboring nuclei; presented table of R_AD ratios, γ-ray intensities, polarization asymmetries, initial and final energies, γ-muliplicities; deduced level schemes and transitions, bands 1 to 8, coincidenced (gated) γ-ray spectra, aligned angular momenta deduced for bands in ¹⁶³Yb vs rotational energy.

doi: 10.1140/epja/i2019-12866-3
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2019SM01      Eur.Phys.J. A 55, 1 (2019)

J.Smallcombe, P.J.Davies, C.J.Barton, L.L.Andersson, P.A.Butler, D.M.Cox, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, R.-D.Herzberg, U.Jakobsson, D.G.Jenkins, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, A.Mistry, P.Nieminen, J.Pakarinen, P.Papadakis, E.Parr, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Confirming band assignments in ¹⁶⁷ytterbium with gamma-gamma-electron triple-coincidence spectroscopy

NUCLEAR REACTIONS ¹⁵⁴Sm(¹⁶O, 3n), (¹⁶O, 4n), (¹⁶O, ¹⁶O'); measured Eγ, Iγ, γγe-coin, γγγ-coin using SAGE array using 24 Clover and 10 EUROGAM Phase I detectors of JUROGAM II; deduced ^166,167Yb^* excited states, conversion coefficients, levels, J, π.

doi: 10.1140/epja/i2019-12675-8
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2018LI19      Phys.Rev. C 97, 044306 (2018)

L.Liu, S.Y.Wang, S.Wang, H.Hua, S.Q.Zhang, J.Meng, R.A.Bark, S.M.Wyngaardt, B.Qi, D.P.Sun, C.Liu, Z.Q.Li, H.Jia, X.Q.Li, C.Xu, Z.H.Li, J.J.Sun, L.H.Zhu, P.Jones, E.A.Lawrie, J.J.Lawrie, M.Wiedeking, T.D.Bucher, T.Dinoko, L.Makhathini, S.N.T.Majola, S.P.Noncolela, O.Shirinda, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, K.Juhasz, M.Arogunjo

Evolution from quasivibrational to quasirotational structure in ¹⁵⁵Tm and yrast 27/2^- to 25/2^- energy anomaly in the A ≈ 150 mass region

NUCLEAR REACTIONS ¹⁴⁴Sm(¹⁶O, 4np), E=118 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO) using the AFRODITE array for γ detection at iThemba LABS-SSC. ¹⁵⁵Tm; deduced high-spin levels, J, π, Eγ/spin ratio (E-GOS curves), side band, configuration, quasivibrational to quasirotational structure for the ground-state band; calculated potential energy surface (PES) in (ϵ₂, γ) plane. Systematics of E-GOS curves for ^{153,155,157,159}Tm, ¹⁵³Ho, ¹⁵⁷Lu, ¹⁵⁹Ta. Systematics of ground and side bands in ^{155,157,159,161}Tm, and energy differences between 25/2- and 27/2- yrast states in ^151,153Ho, ^153,155Tm, and ^155,157Lu.

doi: 10.1103/PhysRevC.97.044306
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2018MD01      Eur.Phys.J. A 54, 176 (2018)

L.Mdletshe, S.S.Ntshangase, J.F.Sharpey-Schafer, S.N.T.Majola, T.R.S.Dinoko, N.A.Khumalo, E.A.Lawrie, R.A.Bark, T.D.Bucher, N.Erasmus, P.Jones, S.Jongile, B.V.Kheswa, J.J.Lawrie, L.Makhathini, K.L.Malatji, B.Maqabuka, J.Ndayishimye, S.P.Noncolela, O.Shirinda, M.A.Sithole

Low-lying positive parity bands in ¹⁶²Yb

NUCLEAR REACTIONS ¹⁵⁰Sm(¹⁶O, 4n)¹⁶²Yb, E=85 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the AFRODITE array at the cyclotron facility of the iThemba Labs; deduced levels, J, π, multipolarities, γ and second 0⁺ bands, and staggering parameters.

doi: 10.1140/epja/i2018-12613-4
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2018NA20      Phys.Rev. C 98, 024319 (2018)

B.S.Nara Singh, D.M.Cullen, M.J.Taylor, P.C.Srivastava, P.Van Isacker, O.Beeke, B.Dodson, C.Scholey, D.O'Donnell, U.Jakobsson, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Khan, M.Leino, A.-P.Leppanen, S.Eeckhaudt, K.Mantyniemi, J.Pakarinen, P.Peura, P.Rahkila, J.Saren, J.Sorri, J.Uusitalo, M.Venhart

Level structure above the 17⁺ isomeric state in ¹⁵²₆₉Tm₈₃

NUCLEAR REACTIONS ⁹²Mo(⁶⁴Zn, n3p), E=280 MeV; measured Eγ, Iγ, recoil time of flight and total kinetic energy loss (TKEL), γγ-coin, delayed γ, and half-life of the 17+ isomer using JUROGAM array for γ detection, RITU separator for recoil separation, and Gamma-Recoil-Electron-Alpha-Tagging (GREAT) spectrometer at JYFL, Jyvaskyla. ¹⁵²Tm; deduced levels, J, π, configurations; calculated levels, J, π and B(E2) values of transitions in the yrast sequence 9+ to 21+ using both large scale shell model and reduced shell model with different proton-neutron interactions.

doi: 10.1103/PhysRevC.98.024319
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2018NI04      Phys.Rev. C 97, 034322 (2018)

C.Y.Niu, A.C.Dai, C.Xu, H.Hua, S.Q.Zhang, S.Y.Wang, R.A.Bark, J.Meng, C.G.Wang, X.G.Wu, X.Q.Li, Z.H.Li, S.M.Wyngaardt, H.L.Zang, Z.Q.Chen, H.Y.Wu, F.R.Xu, Y.L.Ye, D.X.Jiang, R.Han, C.G.Li, X.C.Chen, Q.Liu, J.Feng, B.Yang, Z.H.Li, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, N.B.Zhang, R.J.Guo, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, Q.M.Chen, J.Zhong, W.K.Zhou, B.J.Zhu, L.T.Deng, M.L.Liu, J.G.Wang, P.Jones, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Magabuka, L.Makhathini, L.Mdletshe, N.A.Khumalo, O.Shirinda, K.Sowazi

Spectroscopic study of the possibly triaxial transitional nucleus ⁷⁵Ge

NUCLEAR REACTIONS ⁷⁴Ge(α, n2p), E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios) using AFRODITE array at the Separated Sector Cyclotron of iThemba LABS, South Africa. ⁷⁵Ge; deduced high-spin levels, J, π, collective bands, configurations. Systematics of level structures in N=43 isotones ⁷⁵Ge, ⁷⁷Se and ⁷⁹Kr; calculated configuration-constrained potential energy surfaces (PES). Comparison of levels with triaxial particle rotor model calculations.

doi: 10.1103/PhysRevC.97.034322
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2018SA02      Phys.Rev. C 97, 014319 (2018)

S.Samanta, S.Das, R.Bhattacharjee, S.Chatterjee, R.Raut, S.S.Ghugre, A.K.Sinha, U.Garg, Neelam, N.Kumar, P.Jones, Md.SazedurR.Laskar, F.S.Babra, S.Biswas, S.Saha, P.Singh, R.Palit

Single-particle excitations in the level structure of ⁶⁴Cu

NUCLEAR REACTIONS ⁵⁹Co(⁷Li, np), E=22-24 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using an array of 11 Compton-suppressed Clover detectors at Pelletron LINAC facility of TIFR, Mumbai. ⁶⁴Cu; deduced high-spin levels, J, π, multipolarities, configurations. Comparison with shell-model calculations using the NUSHELLX code.

NUCLEAR STRUCTURE ⁶⁴Cu; calculated levels, J, π, configurations using the NUSHELLX code. Comparison with experimental data.

doi: 10.1103/PhysRevC.97.014319
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2018SV02      Bull.Rus.Acad.Sci.Phys. 82, 632 (2018)

A.I.Svirikhin, A.V.Yeremin, A.V.Andreev, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin, T.M.Schneidman, B.Gall, O.Dorvaux, P.Brione, K.Hauschild, A.Lopez-Martenz, K.Rezynkina, S.Mullins, P.Jones, P.Mosat, B.Andel, Z.Kalaninova, M.Z.Asfari, N.Yoshihiro, J.Piot, E.Stefanova, D.Tonev

Short-Lived Isotopes of Transfermium Elements: Studying Characteristics of Spontaneous Fissioning

RADIOACTIVITY ²⁵⁶Rf, ^250,252No(SF)[reaction created]; calculated formation of isotopes vs energy; compared with data (short- and long-lived isomers separately).

COMPILATION ^{236,238,240,242,244}Pu, ^{242,244,246,248,250}Cm, ²⁴⁹Bk, ^{246,250,252,254}Cf, ^{244,246,256,258}Fm, ^250,252No, ²⁵⁶Rf, ^258,260Md, ²⁶⁸Db(SF); ^250,250m,252No; compiled average number of emitted neutrons accompanying spontaneous fission vs TKE; calculated spontaneous fission fragments TKE; compared with data.

doi: 10.3103/S1062873818060308
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2018ZI02      Eur.Phys.J. A 54, 59 (2018)

G.L.Zimba, S.P.Bvumbi, L.P.Masiteng, P.Jones, J.F.Sharpey-Schafer, S.N.T.Majola, T.S.Dinoko, O.Shirinda, J.J.Lawrie, J.E.Easton, N.A.Khumalo, L.Msebi, P.I.Mashita, P.Papka, D.G.Roux, D.Negi

Yrare low-spin positive-parity states in N = 88 ₆₆¹⁵⁴Dy

NUCLEAR REACTIONS ¹⁵⁵Gd(³He, 4n), E=37.5 MeV; measured Eγ, Iγ(θ_), γγ-coin, DCO ratios, polarization asymmetries using AFRODITE spectrometer array (9 HPGe clover detectors in BGO shields). ¹⁵⁴Dy; deduced levels, J, π, γ-transitions, γ band, K^π=2⁺ band, staggering parameter, γ-transitions multipolarity, kinematical moment of inertia vs rotational frequency for yrast band and for non-yrast positive-parity bands, rotational bands states energy relative to liquid-drop reference of the low spin bands. ¹⁵⁰Sm, ¹⁵²Gd, ¹⁵⁴Dy, ¹⁵⁶Er, ¹⁵⁸Yb; deduced staggering parameters vs spin.

doi: 10.1140/epja/i2018-12496-3
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2017DU05      Phys.Rev.Lett. 118, 162501 (2017)

J.Dudouet, A.Lemasson, G.Duchene, M.Rejmund, E.Clement, C.Michelagnoli, F.Didierjean, A.Korichi, G.Maquart, O.Stezowski, C.Lizarazo, R.M.Perez-Vidal, C.Andreoiu, G.de Angelis, A.Astier, C.Delafosse, I.Deloncle, Z.Dombradi, G.de France, A.Gadea, A.Gottardo, B.Jacquot, P.Jones, T.Konstantinopoulos, I.Kuti, F.Le Blanc, S.M.Lenzi, G.Li, R.Lozeva, B.Million, D.R.Napoli, A.Navin, C.M.Petrache, N.Pietralla, D.Ralet, M.Ramdhane, N.Redon, C.Schmitt, D.Sohler, D.Verney, D.Barrientos, B.Birkenbach, I.Burrows, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo Pardo, V.Gonzalez, L.Harkness-Brennan, H.Hess, D.S.Judson, M.Karolak, W.Korten, M.Labiche, J.Ljungvall, R.Menegazzo, D.Mengoni, A.Pullia, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, Ch.Theisen, J.J.Valiente-Dobon, M.Zielinska

⁹⁶₃₆Kr₆₀-Low-Z Boundary of the Island of Deformation at N=60

NUCLEAR REACTIONS ⁹Be(²³⁸U, X)⁹⁶Kr, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, R4/2. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.118.162501
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2017JO09      Phys.Lett. B 772, 703 (2017)

D.T.Joss, R.D.Page, A.Herzan, L.Donosa, J.Uusitalo, R.J.Carroll, I.G.Darby, K.Andgren, B.Cederwall, S.Eeckhaudt, T.Grahn, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson, J.Sorri

Spectroscopy at the two-proton drip line: Excited states in ¹⁵⁸W

NUCLEAR REACTIONS Pd(⁵⁸Ni, X)¹⁵⁸W, E=255 MeV; measured reaction products, Eγ, Iγ; deduced σ.

RADIOACTIVITY ¹⁵⁸W(α), (2p); measured decay products, Eα, Iα, Eγ, Iγ; deduced γ-ray energies, J, π, an upper limit for the two-proton decay branch and T_1/2. Comparison with available data.

doi: 10.1016/j.physletb.2017.07.031
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2017MA12      Phys.Rev. C 95, 034304 (2017); Erratum Phys.Rev. C 98, 019902 (2018)

G.Maquart, L.Augey, L.Chaix, I.Companis, C.Ducoin, J.Dudouet, D.Guinet, G.Lehaut, C.Mancuso, N.Redon, O.Stezowski, A.Vancraeyenest, A.Astier, F.Azaiez, S.Courtin, D.Curien, I.Deloncle, O.Dorvaux, G.Duchene, B.Gall, T.Grahn, P.Greenlees, A.Herzan, K.Hauschild, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, P.Petkov, P.Peura, M.-G.Porquet, P.Rahkila, S.Rinta-Antila, M.Rousseau, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo

Backbending in the pear-shaped ²²³₉₀Th nucleus: Evidence of a high-spin octupole to quadrupole shape transition in the actinides

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, 3n), E=85 MeV; measured Eγ, Iγ, γγ-coin, angular distribution ADO ratios using EUROBALL IV array at IReS-Strasbourg Vivitron facility. ²²³Th; deduced high-spin levels, J, π, multipolarity, alternating-parity reflection-symmetric bands classified in terms of simplex quantum numbers, backbending, alignments, high-spin octupole to quadrupole shape transition. Systematics of splitting between states with opposite parity within the same rotational band in ^221,223,225Th.

doi: 10.1103/PhysRevC.95.034304
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2017ND01      Acta Phys.Pol. B48, 343 (2017)

J.Ndayishimye, E.A.Lawrie, O.Shirinda, J.L.Easton, S.M.Wyngaardt, R.A.Bark, S.P.Bvumbi, T.R.S.Dinoko, P.Jones, N.Y.Kheswa, J.J.Lawrie, S.N.T.Majola, P.L.Masiteng, D.Negi, J.N.Orce, P.Papka, J.F.Sharpey-Schafer, M.Stankiewicz, M.Wiedeking

Chiral Bands in ¹⁹³Tl

NUCLEAR REACTIONS ¹⁶⁰Gd(³⁷Cl, 4n), E=167 MeV;¹⁸¹Ta(¹⁸O, 6n), E=105 MeV; measured Eγ, Iγ, γγ-coin using 9 clovers at different angles. ¹⁹³Tl; deduced level, J, π, high-spin, γ transitions, B(M1), B(E2), formed one or two chiral systems.

doi: 10.5506/APhysPolB.48.343
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2017SA47      Phys.Rev. C 96, 021301 (2017)

B.Saygi, D.T.Joss, R.D.Page, T.Grahn, J.Simpson, D.O'Donnell, G.Alharshan, K.Auranen, T.Back, S.Boening, T.Braunroth, R.J.Carroll, B.Cederwall, D.M.Cullen, A.Dewald, M.Doncel, L.Donosa, M.C.Drummond, F.Ertugral, S.Erturk, C.Fransen, P.T.Greenlees, M.Hackstein, K.Hauschild, A.Herzan, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Labiche, A.Lopez-Martens, C.G.McPeake, F.Moradi, O.Moller, M.Mustafa, P.Nieminen, J.Pakarinen, J.Partanen, P.Peura, M.Procter, P.Rahkila, W.Rother, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite, J.Uusitalo

Reduced transition probabilities along the yrast line in ¹⁶⁶W

NUCLEAR REACTIONS ⁹²Mo(⁷⁸Kr, 4p), E=380 MeV; measured Eγ, Iγ, γγ-coin correlated with implanted recoils, level half-lives by recoil-distance and differential decay curve method (DDCM) using RITU gas-filled separator, GREAT focal-plane spectrometer, DPUNS plunger system and JURGAM-II array at Jyvaskyla accelerator facility. ¹⁶⁶W; deduced levels, J, π, yrast band, B(E2), B(E2) ratios and compared with theoretical predictions for an axially deformed rotor. Systematics of energies and B(E2) values for the first 2+, 4+ and 6+ states in A=160-190 even-A W isotopes.

doi: 10.1103/PhysRevC.96.021301
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2017SL02      Phys.Rev. C 96, 044302 (2017)

J.M.K.Slotte, P.Granholm, R.Ohman, T.Lonnroth, S.Juutinen, J.Suhonen, P.M.Jones, R.Julin, J.Pakarinen, P.Rahkila, C.Scholey, J.Sorri, J.Uusitalo

In-beam γ-ray spectroscopy of low- and medium-spin levels in ²¹¹Po

NUCLEAR REACTIONS ²⁰⁸Pb(α, n)²¹¹Po, E=23 MeV; measured Eγ, Iγ, γγ-coin, g←θ), γγ(θ)(ADO) using JUROGAM I array at K=130 cyclotron facility of the University of Jyvaskyla. ²¹¹Po; deduced levels, J, π, multipolarities, configurations. Comparison of level structures in ^210,211Po, ^207,209Pb. Discussed γ-transitions involving mixed states.

doi: 10.1103/PhysRevC.96.044302
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2017SV02      Phys.Part. and Nucl.Lett. 14, 571 (2017)

A.I.Svirikhin, A.V.Andreev, A.V.Yeremin, I.N.Izosimov, A.V.Isaev, A.N.Kuznetsov, A.A.Kuznetsova, O.N.Malyshev, A.G.Popeko, Y.A.Popov, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin, T.M.Schneidman, B.Gall, O.Dorvaux, P.Brione, K.Hauschild, A.Lopez-Martens, K.Rezynkina, S.Mullins, P.Jones, P.Mosat

Characteristics of spontaneous fission of ²⁵⁰No

NUCLEAR REACTIONS ²⁰⁴Pb(⁴⁸Ca, xn), E=410-470 MeV; measured neutrons, fission fragments kinetic energy, TKEL, short-lived fragments; deduced σ vs E. ²⁵⁰No(SF), SF T_1/2, average neutron multiplicity separately for each T_1/2. ^{236,238,240,242,244}Pu, ^{242,244,246,248,250}Cm, ²⁴⁹Bk, ^{246,250,252,254}Cf, ^{244,246,254,256,258}Fm, ^250,250m,252No, ²⁵⁶Rf, ^258,260Md, ²⁶⁸Db; deduced, compiled systematics of average neutron multiplicity from SF (Spontaneous Fission) vs nucleus.

doi: 10.1134/S1547477117040161
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2017WA18      Phys.Lett. B 770, 83 (2017)

F.Wang, B.H.Sun, Z.Liu, R.D.Page, C.Qi, C.Scholey, S.F.Ashley, L.Bianco, I.J.Cullen, I.G.Darby, S.Eeckhaudt, A.B.Garnsworthy, W.Gelletly, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, D.G.Jenkins, G.A.Jones, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, S.Khan, A.Kishada, M.Leino, M.Niikura, M.Nyman, J.Pakarinen, S.Pietri, Z.Podolyak, P.Rahkila, S.Rigby, J.Saren, T.Shizuma, J.Sorri, S.Steer, J.Thomson, N.J.Thompson, J.Uusitalo, P.M.Walker, S.Williams, H.F.Zhang, W.Q.Zhang, L.H.Zhu

Spectroscopic factor and proton formation probability for the d_3/2 proton emitter ^151mLu

RADIOACTIVITY ¹⁵¹Lu(p) [from ⁹⁶Ru(⁵⁸Ni, X)¹⁵¹Lu, E=266, 274 MeV]; measured decay products, Ep, Ip, Eγ, Iγ; deduced γ-ray energies and intensities, spectroscopic factors, proton-decay formation amplitudes, Q-value, T_1/2. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.04.034
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2017WA49      Phys.Rev. C 96, 064307 (2017); Erratum Phys.Rev. C 97, 029902 (2018)

F.Wang, B.H.Sun, Z.Liu, C.Qi, L.H.Zhu, C.Scholey, S.F.Ashley, L.Bianco, I.J.Cullen, I.G.Darby, S.Eeckhaudt, A.B.Garnsworthy, W.Gelletly, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, D.G.Jenkins, G.A.Jones, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, S.Khan, A.Kishada, M.Leino, M.Niikura, M.Nyman, R.D.Page, J.Pakarinen, S.Pietri, Zs.Podolyak, P.Rahkila, S.Rigby, J.Saren, T.Shizuma, J.Sorri, S.Steer, J.Thomson, N.J.Thompson, J.Uusitalo, P.M.Walker, S.Williams

Reinvestigation of the excited states in the proton emitter ¹⁵¹Lu: Particle-hole excitations across the N=Z=64 subshell

NUCLEAR REACTIONS ⁹⁶Ru(⁵⁸Ni, 2np), E=266, 274 MeV; measured fusion-evaporation residues, Eγ, Iγ, γγ-coin, pγ-coin using RITU separator, GREAT spectrometer and JUROGAM array at the K130 cyclotron facility of the University of Jyvaskyla. Recoil-Decay Tagging (RDT) technique. ¹⁵¹Lu; deduced high-spin levels, J, π, sequences. Comparison with large-scale shell-model calculations.

doi: 10.1103/PhysRevC.96.064307
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2016CA15      Phys.Rev. C 93, 034307 (2016)

R.J.Carroll, R.D.Page, D.T.Joss, D.O'Donnell, J.Uusitalo, I.G.Darby, K.Andgren, K.Auranen, S.Bonig, B.Cederwall, M.Doncel, M.C.Drummond, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, B.Hadinia, A.Herzan, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, A.-P.Leppanen, C.McPeake, M.Nyman, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, J.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, D.Seweryniak, J.Simpson, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite

Excited states in the proton-unbound nuclide ¹⁵⁸Ta

RADIOACTIVITY ¹⁶⁶Ir, ¹⁶²Re, ¹⁵⁸Ta(α)[¹⁶⁶Ir from ⁹²Mo(⁷⁸Kr, X), E=380 MeV using RITU separator at Jyvaskyla; ¹⁶²Re and ¹⁵⁸Ta from α decay chain]; measured Eα, Eγ, αγ-coin, α(implanted ion) correlations. ¹⁵⁸Ta; deduced levels, J, π. ¹⁶⁷Ir, ^165,166Os(α); observed α spectrum.

NUCLEAR REACTIONS ¹⁰²Pd(⁵⁸Ni, np), E=255 MeV; measured Eγ, Iγ, Eα from g.s. and 19- isomer, γγ-coin, prompt and delayed γ rays, γ(implant) correlations using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla. ¹⁵⁸Ta; deduced high-spin levels, J, π, isomer, conversion coefficients, multipolarity, configurations. Systematics of levels in N=85 isotones relative to 7/2- in odd-A and 9+ and 10+ in even-A isotopes of ¹⁴⁹Gd, ¹⁵¹Dy, ¹⁵³Er, ¹⁵⁵Yb, ¹⁵⁷Hf, ¹⁵⁹W, ¹⁵⁰Tb, ¹⁵²Ho, ¹⁵⁴Tm, ¹⁵⁶Lu, ¹⁵⁸Ta, ¹⁶⁰Re. Discussed proton emission from excited states.

doi: 10.1103/PhysRevC.93.034307
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2016CA42      Phys.Rev. C 94, 064311 (2016)

R.J.Carroll, B.Hadinia, C.Qi, D.T.Joss, R.D.Page, J.Uusitalo, K.Andgren, B.Cederwall, I.G.Darby, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson

Multiparticle configurations of excited states in ¹⁵⁵Lu

NUCLEAR REACTIONS ¹⁰²Pd(⁵⁸Ni, pα)¹⁵⁵Lu/¹⁵⁶Lu/¹⁵⁷Lu/¹⁵⁶Hf/¹⁵⁷Hf/¹⁵⁷Ta/¹⁵⁸Ta/¹⁵⁹Ta/¹⁵⁸W, E=255 MeV; measured reaction products, Eγ, Iγ, delayed γ, (recoils)(α)γγ-coin using RITU separator, JUROGAM array and GREAT spectrometer at Jyvaskyla Accelerator Laboratory. Recoil-decay tagging (RDT) technique. ¹⁵⁵Lu; deduced levels, J, π, multipolarity, configurations, anti-aligned 1+ interaction between h_11/2 protons and h_9/2 neutrons. Comparison with shell-model calculations. Systematics of excited states in odd-A N=84 isotones of ¹⁴⁹Tb, ¹⁵¹Ho, ¹⁵³Tm, ¹⁵⁵Lu, ¹⁵⁷Ta.

doi: 10.1103/PhysRevC.94.064311
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2016GR15      Phys.Rev. C 94, 044327 (2016)

T.Grahn, S.Stolze, D.T.Joss, R.D.Page, B.Saygi, D.O'Donnell, M.Akmali, K.Andgren, L.Bianco, D.M.Cullen, A.Dewald, P.T.Greenlees, K.Heyde, H.Iwasaki, U.Jakobsson, P.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.Lumley, P.J.R.Mason, O.Moller, K.Nomura, M.Nyman, A.Petts, P.Peura, N.Pietralla, Th.Pissulla, P.Rahkila, P.J.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, P.D.Stevenson, J.Uusitalo, H.V.Watkins, J.L.Wood

Excited states and reduced transition probabilities in ¹⁶⁸Os

NUCLEAR REACTIONS ⁹²Mo(⁷⁸Kr, 2p), E=335, 345, 348 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, level half-lives by recoil-distance method using a plunger device, RITU separator, GREAT spectrometer, JUROGAM array at Jyvaskyla accelerator facility. ¹⁶⁸Os; deduced high-spin levels, J, π, bands, B(E2), B(E1), transition quadrupole and dipole moments. Comparisons with interacting boson model (IBM-2) calculations based on the SkM* energy-density functional. Systematics of ground bands, and excited positive-parity level energies up to 8+ in ^{168,170,172,174,176,178,180,182,184}Os.

doi: 10.1103/PhysRevC.94.044327
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2016JO01      Phys.Rev. C 93, 024307 (2016)

D.T.Joss, G.D.Dracoulis, E.Higgins, M.Lewis, J.Thomson, G.J.Lane, R.D.Page, J.Simpson, L.Bianco, B.Cederwall, I.G.Darby, P.M.Davidson, S.Eeckhaudt, S.Erturk, B.Fabricius, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, J.Pakarinen, E.S.Paul, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Evolving collective structures in the transitional nuclei ¹⁶²W and ¹⁶⁴W

NUCLEAR REACTIONS ¹⁰⁶Cd(⁶⁰Ni, 2p), (⁶⁰Ni, 2n2p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoils)γγ-coin, Recoils-α-α-α-γ correlated spectra, γγ(θ)(DCO) using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla accelerator laboratory. ^162,164W; deduced high-spin levels, J, π, bands, multipolarity, B(E1), B(E1)/B(E2) ratios, configurations, rotational alignments. Comparison with predictions of the cranked shell model.

doi: 10.1103/PhysRevC.93.024307
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2016LH01      Eur.Phys.J. A 52, 364 (2016)

G.Lhersonneau, T.Malkiewicz, M.Fadil, D.Gorelov, P.Jones, P.Z.Ngcobo, J.Sorri, W.H.Trzaska

Neutron yield of thick ¹²C and ¹³C targets with 20 and 30 MeV deuterons

NUCLEAR REACTIONS Al, Ni, Co, In, Bi(n, γ), E not given[neutrons from thick target ^12,13C(d, nx), E=20, 30 MeV]; measured off-line thick target activation Eγ, Iγ using Ge detectors; deduced σ(θ, En), neutron yields. Compared with other measurements.

doi: 10.1140/epja/i2016-16364-x
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2016LI12      Phys.Rev.Lett. 116, 112501 (2016)

C.Liu, S.Y.Wang, R.A.Bark, S.Q.Zhang, J.Meng, B.Qi, P.Jones, S.M.Wyngaardt, J.Zhao, C.Xu, S.-G.Zhou, S.Wang, D.P.Sun, L.Liu, Z.Q.Li, N.B.Zhang, H.Jia, X.Q.Li, H.Hua, Q.B.Chen, Z.G.Xiao, H.J.Li, L.H.Zhu, T.D.Bucher, T.Dinoko, J.Easton, K.Juhasz, A.Kamblawe, E.Khaleel, N.Khumalo, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, S.M.Mullins, S.Murray, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, B.M.Nyako, J.N.Orce, P.Papka, J.F.Sharpey-Schafer, O.Shirinda, P.Sithole, M.A.Stankiewicz, M.Wiedeking

Evidence for Octupole Correlations in Multiple Chiral Doublet Bands

NUCLEAR REACTIONS ⁷⁰Zn(¹²C, 3np), E=60, 65 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, medium- amd high-spin states, yrast positive- and negative-parity bands. Comparison with microscopic multidimensionally-constrained covariant density functional theory and triaxial particle rotor model calculations.

doi: 10.1103/PhysRevLett.116.112501
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2016LI41      Phys.Rev. C 94, 024337 (2016)

X.Q.Li, C.Xu, S.Q.Zhang, H.Hua, J.Meng, R.A.Bark, Q.B.Chen, C.Y.Niu, R.Han, S.M.Wyngaardt, S.Y.Wang, S.Wang, B.Qi, L.Liu, L.H.Zhu, Z.Shi, G.L.Zhang, B.H.Sun, X.Y.Le, C.Y.Song, Y.L.Ye, D.X.Jiang, F.R.Xu, Z.H.Li, J.J.Sun, Y.Shi, P.W.Zhao, W.Y.Liang, C.G.Li, C.G.Wang, X.C.Chen, Z.H.Li, D.P.Sun, C.Liu, Z.Q.Li, P.Jones, E.A.Lawrie, J.J.Lawrie, M.Wiedeking, T.D.Bucher, T.Dinoko, B.V.Kheswa, L.Makhathini, S.N.T.Majola, J.Ndayishimye, S.P.Noncolela, O.Shirinda, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, K.Juhasz, M.Arogunjo

Spectroscopy of ¹⁵⁵Yb: Structure evolution in the N=85 isotones

NUCLEAR REACTIONS ¹⁴⁴Sm(¹⁶O, 5n), E=118 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios) at cyclotron facility of iThemba LABS. ¹⁵⁵Yb; deduced high-spin levels, J, π, multipolarity, bands, configurations; calculated potential energy contour in (β, γ) plane. Comparison with semiempirical shell-model (SESM) calculations. Predicted coexistence of prolate and oblate shapes from adiabatic and configuration-fixed constrained triaxial covariant density functional theory (CDFT) calculations. Systematics of low-lying levels in N=84-87 isotones: ^{148,149,150,151}Gd, ^{150,151,152,153}Dy, ^{152,153,154,155}Er, ^{154,155,156,157}Yb, ^{156,157,158,159}Hf.

doi: 10.1103/PhysRevC.94.024337
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2016NE08      Phys.Rev. C 94, 024332 (2016)

D.Negi, M.Wiedeking, E.G.Lanza, E.Litvinova, A.Vitturi, R.A.Bark, L.A.Bernstein, D.L.Bleuel, S.Bvumbi, T.D.Bucher, B.H.Daub, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, L.P.Masiteng, M.R.Nchodu, J.Ndayishimye, R.T.Newman, S.P.Noncolela, J.N.Orce, P.Papka, L.Pellegri, T.Renstrom, D.G.Roux, R.Schwengner, O.Shirinda, S.Siem

Nature of low-lying electric dipole resonance excitations in ⁷⁴Ge

NUCLEAR REACTIONS ⁷⁴Ge(α, α'), E=48 MeV; measured Eγ, Iγ, Eα, αγ-coin, γ(θ), σ(θ) for scattered α particles, relative cross sections of E1 transitions using AFRODITE array for γ detection and silicon detectors for α particles at iThemba Labs cyclotron facility. ⁷⁴Ge; deduced levels, J, π, B(E1), suppression in relative cross section for the excitation of pygmy-dipole resonances (PDR) as compared to those in (γ, γ') data for excitations above 6 MeV. Comparison of B(E1) with relativistic quasiparticle time blocking approximation (RQTBA) calculations.

doi: 10.1103/PhysRevC.94.024332
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2016OR06      Eur.Phys.J. A 52, 166 (2016)

J.N.Orce, M.Kumar Raju, N.A.Khumalo, T.S.Dinoko, P.Jones, R.A.Bark, E.A.Lawrie, S.N.T.Majola, L.M.Robledo, B.Rubio, M.Wiedeking, J.Easton, E.A.Khaleel, B.V.Kheswa, N.Kheswa, M.S.Herbert, J.J.Lawrie, P.L.Masiteng, M.R.Nchodu, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, P.Papka, D.G.Roux, O.Shirinda, P.S.Sithole, S.W.Yates

Search for two-phonon octupole excitations in ¹⁴⁶Gd

NUCLEAR REACTIONS ¹⁴⁴Sm(α, 2n), E=26.1-26.8 MeV; measured Eγ, Iγ(θ), γγ-coin. ¹⁴⁸Gd deduced γ-ray energy spectra gated by specified γ transitions, relative γ intensities in depopulating the 6⁺ (3484.5 keV) state, linear polarization, B(E3) for one-photon and two-photon excitations; calculated B(E3) using GCM with Gogny D1S force.

doi: 10.1140/epja/i2016-16166-2
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2016RA07      Acta Phys.Pol. B47, 911 (2016)

M.Ramdhane, G.S.Simpson, F.Drouet, T.Malkiewicz, A.Vancraeyenest, G.Gey, P.Alexa, G.Thiamova, G.Kessedjian, C.Sage, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.Lopez-Martens, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Study of Intermediate-spin States of ⁹⁸Y

NUCLEAR REACTIONS ²³⁸U(p, X)⁹⁸Y, E=25 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, rotational band. Comparison with GICM amd QPRM calculations.

doi: 10.5506/APhysPolB.47.911
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2016ZI04      Phys.Rev. C 94, 054303 (2016)

G.L.Zimba, J.F.Sharpey-Schafer, P.Jones, S.P.Bvumbi, L.P.Masiteng, S.N.T.Majola, T.S.Dinoko, E.A.Lawrie, J.J.Lawrie, D.Negi, P.Papka, D.Roux, O.Shirinda, J.E.Easton, N.A.Khumalo

Octupole correlations in N = 88 ¹⁵⁴Dy: Octupole vibration versus stable deformation

NUCLEAR REACTIONS ¹⁵⁵Gd(³He, 4n), E=37.5 MeV; measured Eγ, Iγ, γγ-coin using AFRODITE array at the Cyclotron facility of the iThemba Laboratory. ¹⁵⁴Dy; deduced levels, J, π, bands, B(E1)/B(E2) ratios, E1 transitions, level energy differences between the positive- and negative-parity bands, octupole deformation. Comparison with level-energy differences and B(E1)/B(E2) ratios in ¹⁵⁰Sm, ¹⁵²Gd, ²²⁴Ra.

doi: 10.1103/PhysRevC.94.054303
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2015CA04      Acta Phys.Pol. B46, 695 (2015)

R.J.Carroll, R.D.Page, D.T.Joss, J.Uusitalo, I.G.Darby, K.Andgren, B.Cederwall, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, B.Hadinia, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson

Competing Decay Modes of a High-spin Isomer in the Proton-unbound Nucleus ¹⁵⁸Ta

RADIOACTIVITY ¹⁵⁸Ta(α), ¹⁵⁴Lu(β⁺), ¹⁵⁴Yb(α) [from ¹⁰²Pd(⁵⁸Ni, X)¹⁵⁸Ta, E=255 MeV]; measured decay products, Eγ, Iγ; deduced energy levels, isomeric states, J, π, T_1/2. Comparison with available data.

doi: 10.5506/APhysPolB.46.695
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2015DA03      Phys.Rev. C 91, 034319 (2015)

T.R.Davis-Merry, D.T.Joss, R.D.Page, J.Simpson, E.S.Paul, F.A.Ali, L.Bianco, R.J.Carroll, B.Cederwall, I.G.Darby, M.C.Drummond, S.Eeckhaudt, S.Erturk, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Peura, P.Rahkila, J.P.Revill, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, B.Saygi, C.Scholey, J.Sorri, J.Thomson, J.Uusitalo

Collective excitations in the transitional nuclei ¹⁶³Re and ¹⁶⁵Re

NUCLEAR REACTIONS ¹⁰⁶Cd(⁶⁰Ni, 2np)¹⁶³Re, E=270 MeV; ⁹²Mo(⁷⁸Kr, 2n3p), E=380 MeV; measured Eγ, Iγ, (recoil)γ-, (recoil)α-, αγ-, γγ-coin, Eα using RITU separator, GREAT spectrometer and JUROGAM array at K130 cyclotron facility of JYFL. Recoil-decay correlation technique. ^163,165Re; deduced levels, J, π, bands, configuration. Comparison with cranked shell model predictions. Systematics of low-lying excited states in ^{161,163,165,167,169,171,173,175,177}Re.

RADIOACTIVITY ¹⁵⁵Lu, ¹⁵⁸Hf, ^160,162,163W, ^159,160,161mTa, ^164,165m,166Re, ^164,166,167Os, ^167,168Ir(α); measured Eα, αα-correlations, αγ-coin.

doi: 10.1103/PhysRevC.91.034319
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2015HE27      Phys.Rev. C 92, 044310 (2015)

A.Herzan, S.Juutinen, K.Auranen, T.Grahn, P.T.Greenlees, K.Hauschild, U.Jakobsson, P.Jones, R.Julin, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, M.Nyman, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Detailed spectroscopy of ¹⁹³Bi

NUCLEAR REACTIONS ¹⁶⁵Ho(³²S, 4n), E=152 MeV; measured prompt and delayed Eγ, Iγ, γγ-, γγγ-, (recoil)γ-, (ce)γ-coin, E(ce), I(ce), γγ(θ)(DCO), γγ(lin pol), T_1/2 of isomeric states using JUROGAM II array, gas-filled recoil separator, and GREAT spectrometer at Jyvaskyla. Recoil-decay tagging, and isomer tagging methods. ¹⁹³Bi; deduced high-spin levels, J, π, ICC, multipolarity, configurations, deformation, rotational band features, superdeformed band, isomers, B(M1)/B(E2), aligned angular momenta, two-state mixing, oblate and spherical shapes. Comparison with cranked shell model calculations, and with level-energy systematics of A=191-207, odd-A Bi isotopes.

RADIOACTIVITY ^192,193Bi(α)[from ¹⁶⁵Ho(³²S, xn), E=152 MeV]; measured Eα, T_1/2 of ¹⁹³Bi g.s.

doi: 10.1103/PhysRevC.92.044310
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2015HO14      Phys.Rev. C 92, 054312 (2015)

D.Hodge, D.M.Cullen, M.J.Taylor, M.G.Procter, P.Nieminen, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, J.Partanen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo

Identification of a dipole band above the I^π = 31/2^- isomeric state in ¹⁸⁹Pb

NUCLEAR REACTIONS ¹⁰⁶Pd(⁸⁶Kr, 3n), ¹⁰⁶Pd(⁸⁶Kr, 2np), E=355 MeV; measured Eγ, Iγ, γγ, x rays, recoil-isomer-tagged prompt γγ-coin and prompt-delayed and delayed-delayed γγ-coin, angular intensity ratios using RITU separator, GREAT spectrometer and JUROGAM-II array at Jyvaskyla. ¹⁸⁹Pb, ¹⁸⁹Tl; deduced high-spin levels, J, π, isomer, dipole band, conversion coefficients, multipolarities, configuration, and alignments. Systematics of dipole bands in ^{189,191,193,195,197,199}Pb, and differences in the proton/neutron-hole interaction.

doi: 10.1103/PhysRevC.92.054312
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2015NY02      Eur.Phys.J. A 51, 31 (2015)

M.Nyman, S.Juutinen, D.M.Cullen, I.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, A.Herzan, U.Jakobsson, P.Jones, R.Julin, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo

First observation of superdeformed states in ¹⁹¹Bi

NUCLEAR REACTIONS ¹⁰⁹Ag(⁸⁶Kr, 4n), E=380 MeV; measured prompt Eα, Iα, Eγ, Iγ(θ), (recoil)α-coin, (recoil)γ-coin, γγ-coin, αγ-coin using JUROGAM. ¹⁹¹Bi deduced γ transitions, levels, J, π, rotational bands, deformed bands, superdeformed bands, transition multipolarity, moments of inertia.

doi: 10.1140/epja/i2015-15031-2
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2015PE10      Phys.Rev. C 92, 034314 (2015)

C.M.Petrache, I.Ragnarsson, H.Naidja, F.Nowacki, R.Leguillon, T.Zerrouki, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Search for the terminating 27^- state in ¹⁴⁰Nd

NUCLEAR REACTIONS ⁹⁶Zr(⁴⁸Ca, 4n), E=180 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using JUROGAM array and GREAT spectrometer at K-130 cyclotron facility of University of Jyvaskyla. ¹⁴⁰Nd; deduced high-spin levels, J, π, multipolarity, configurations, fully aligned terminating state, shape coexistence. Comparison with cranked Nilsson-Strutinsky (CNS) calculations, and shell-model calculations for close-to-spherical and the triaxial states.

doi: 10.1103/PhysRevC.92.034314
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2015WA02      Phys.Lett. B 740, 243 (2015)

P.T.Wady, J.F.Smith, B.Hadinia, D.M.Cullen, S.J.Freeman, I.G.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, B.M.McGuirk, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, P.Rahkila, S.V.Rigby, C.Scholey, J.Uusitalo, R.Wadsworth

High-spin states beyond the proton drip-line: Quasiparticle alignments in ¹¹³Cs

NUCLEAR REACTIONS ⁵⁸Ni(⁵⁸Ni, X)¹¹³Cs, E=230 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, deformations. Calculated Quasiparticle Routhians from Woods-Saxon cranked-shell model for neutrons and protons.

doi: 10.1016/j.physletb.2014.11.045
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2015XU09      Phys.Rev. C 91, 061303 (2015)

C.Xu, X.Q.Li, J.Meng, S.Q.Zhang, H.Hua, S.Y.Wang, B.Qi, C.Liu, Z.G.Xiao, H.J.Li, L.H.Zhu, Z.Shi, Z.H.Li, Y.L.Ye, D.X.Jiang, J.J.Sun, Z.H.Zhang, Y.Shi, P.W.Zhao, Q.B.Chen, W.Y.Liang, R.Han, C.Y.Niu, C.G.Li, C.G.Wang, Z.H.Li, S.M.Wyngaardt, R.A.Bark, P.Papka, T.D.Bucher, A.Kamblawe, E.Khaleel, N.Khumalo, E.A.Lawrie, J.J.Lawrie, P.Jones, S.M.Mullins, S.Murray, M.Wiedeking, J.F.Sharpey-Schafer, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, O.Shirinda, P.Sithole, M.A.Stankiewicz, J.N.Orce, T.Dinoko, J.Easton, B.M.Nyako, K.Juhasz

Spectroscopy of ⁷⁶Se: Prolate-to-oblate shape transition

NUCLEAR REACTIONS ⁷⁰Zn(¹²C, 2nα), E=60, 65 MeV; measured Eγ, Iγ, γγ-, (particle)γγ-coin using AFRODITE array for γ rays and DIAMANT array for charged particles at iThemba LABS. ⁷⁶Se; deduced high-spin levels, J, π, bands, configuration, kinematic and dynamic moments of inertia, band crossing frequency, shape transition. Comparison with cranked shell-model calculations. systematics of band crossings in ^{70,72,74,76,78,80}Se, ^{72,74,76,78,80,82}Kr.

doi: 10.1103/PhysRevC.91.061303
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2014CA03      Phys.Rev.Lett. 112, 092501 (2014)

R.J.Carroll, R.D.Page, D.T.Joss, J.Uusitalo, I.G.Darby, K.Andgren, B.Cederwall, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, B.Hadinia, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson

Blurring the Boundaries: Decays of Multiparticle Isomers at the Proton Drip Line

NUCLEAR REACTIONS ¹⁰²Pd(⁵⁸Ni, X)¹⁵⁸Ta/¹⁵⁷Lu/¹⁵⁷Hf, E=255 MeV; measured reaction products, Eγ, Iγ; deduced σ.

RADIOACTIVITY ¹⁵⁸Ta(IT), (α); measured decay products, Eγ, Iγ; deduced energy levels, J, π, high-spin, spin-trap isomer T_1/2, α-decay branch. Comparison with available data.

doi: 10.1103/PhysRevLett.112.092501
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2014DR02      Phys.Rev. C 89, 064309 (2014)

M.C.Drummond, D.O'Donnell, R.D.Page, D.T.Joss, L.Capponi, D.M.Cox, I.G.Darby, L.Donosa, F.Filmer, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, A.K.Mistry, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Simpson, J.Sorri, A.Thornthwaite, J.Uusitalo

α decay of the πh_11/2 isomer in ¹⁶⁴Ir

RADIOACTIVITY ^164,165Ir(p), (α)[from ⁹²Mo(⁷⁸Kr, xnp), E=428, 435, 450 MeV]; ¹⁶³Os(α)[from ¹⁶⁴Ir p decay]; ¹⁶⁰Re(p)[from ¹⁶⁴Ir α decay]; measured E(p), I(p), E(α), I(α), production σ for ¹⁶⁴Ir, recoil-pα-, pα-, αα-correlated events, half-lives, α-decay branching ratio of ¹⁶⁴Ir decay using RITU separator and GREAT spectrometer at JYFL accelerator facility; deduced α- and proton-decay reduced widths. ¹⁶⁰Re; deduced level energy of the isomer. ^162,163Ir(α); estimated half-lives and α-particle branching ratios. ¹⁵⁵Lu, ¹⁵⁶Hf, ¹⁵⁸W, ^160,161W, ^161,162,163Re, ¹⁶⁴Os(α); observed α lines in particle spectrum. Comparison with previous experimental results. Systematics of α-decay widths and Q values for πh_11/2 states in Z=73-78, N=84-92 nuclei.

doi: 10.1103/PhysRevC.89.064309
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2014PE02      Phys.Rev. C 89, 024316 (2014)

P.Peura, C.Scholey, D.T.Joss, S.Juutinen, R.Julin, T.Back, B.Cederwall, P.T.Greenlees, U.Jakobsson, P.Jones, D.S.Judson, S.Ketelhut, M.Labiche, M.Leino, M.Nyman, D.O'Donnell, R.D.Page, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, J.Simpson, J.Thomson, J.Uusitalo, H.V.Watkins

Quasiparticle alignments and α-decay fine structure of ¹⁷⁵Pt

RADIOACTIVITY ¹⁷⁵Pt(α)[from ⁹²Mo(⁸⁶Sr, n2p)]; measured Eα, Iα, Eγ, ce, half-life, α-branching ratio. ¹⁷¹Os; deduced levels, J, π, K-conversion coefficient, multipolarity, reduced widths, α hindrance factors. ^171,172Ir, ¹⁷⁴Pt(α); measured Eα, half-life. ^172,173,176Pt, ¹⁷⁵Au(α); observed α lines.

NUCLEAR REACTIONS ⁹²Mo(⁸⁶Sr, n2p), E=403 MeV; measured Eγ, Iγ, Eα, γγ-, γα-, (particle)γ-coin, γ(θ), angular anisotropy using RITU separator, JUROGAM-I array and GREAT spectrometer at JYFL-cyclotron facility. Recoil-decay tagging technique. ¹⁷⁵Pt; deduced high-spin levels, J, π, multipolarity, bands, B(M1)/B(E2), configurations, alignment plots for ¹⁶⁹Hf, ¹⁷¹W, ¹⁷³Os and ¹⁷⁵Pt, proton-pair excitations in the rotating core; calculated single-particle Routhians for quasineutrons and quasiprotons using cranked shell-model formalism. ^167,168Re, ^171,172,174Os, ^174,176Pt, ¹⁷⁵Ir; observed γ rays.

doi: 10.1103/PhysRevC.89.024316
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2014SM02      Phys.Lett. B 732, 161 (2014)

J.Smallcombe, P.J.Davies, C.J.Barton, D.G.Jenkins, L.L.Andersson, P.A.Butler, D.M.Cox, R.-D.Herzberg, A.Mistry, E.Parr, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, J.Pakarinen, P.Papadakis, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Experimental investigation of the O⁺₂ band in ¹⁵⁴Sm as a β-vibrational band

NUCLEAR REACTIONS ¹⁵⁴Sm(¹⁶O, ¹⁶O'), E=65 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ. ¹⁵⁴Sm; deduced ICC, monopole transition strengths, collective band. IBM calculations.

doi: 10.1016/j.physletb.2014.03.034
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2013BV01      Phys.Rev. C 87, 044333 (2013)

S.P.Bvumbi, J.F.Sharpey-Schafer, P.M.Jones, S.M.Mullins, B.M.Nyako, K.Juhasz, R.A.Bark, L.Bianco, D.M.Cullen, D.Curien, P.E.Garrett, P.T.Greenlees, J.Hirvonen, U.Jakobsson, J.Kau, F.Komati, R.Julin, S.Juutinen, S.Ketelhut, A.Korichi, E.A.Lawrie, J.J.Lawrie, M.Leino, T.E.Madiba, S.N.T.Majola, P.Maine, A.Minkova, N.J.Ncapayi, P.Nieminen, P.Peura, P.Rahkila, L.L.Riedinger, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Timar, J.Uusitalo, P.A.Vymers

Octupole correlations in the structure of 0₂⁺ bands in the N=88 nuclei ¹⁵⁰Sm and ¹⁵²Gd

NUCLEAR REACTIONS ¹⁵²Sm(α, 4n), E=45 MeV; ¹⁴⁸Nd(α, 2n), E=25 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γ(θ, lin pol) using the AFRODITE at iThemba LABS, and JUROGAM II arrays at Jyvaskyla. ¹⁵⁰Sm, ¹⁵²Gd; deduced high-spin levels, J, π, bands, B(E1)/B(E2). Comparison of rotational frequencies with those in ²²⁰Rn bands. Permanent octupole deformation in first excited Kπ=0+ band. Comparison with Frauendorf's tidal wave model.

doi: 10.1103/PhysRevC.87.044333
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2013DR06      Phys.Rev. C 87, 054309 (2013)

M.C.Drummond, D.T.Joss, R.D.Page, J.Simpson, D.O'Donnell, K.Andgren, L.Bianco, B.Cederwall, I.G.Darby, S.Eeckhaudt, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.-P.Leppanen, M.Leino, M.Nyman, J.Pakarinen, P.Rahkila, M.Sandzelius, P.J.Sapple, J.Saren, B.Saygi, C.Scholey, J.Sorri, J.Thomson, J.Uusitalo, M.Venhart

Low-lying excited states in the neutron-deficient isotopes ¹⁶³Os and ¹⁶⁵Os

NUCLEAR REACTIONS ¹⁰⁶Cd(⁶⁰Ni, 3n), E=270 MeV; ⁹²Mo(⁷⁸Kr, 3n2p), E=357 MeV; measured Eγ, Iγ, Eα, (recoil)γ-, αγ-, γγ-coin, γ(θ) using JUROGAM, GREAT spectrometers, and RITU separator at Jyvaskyla accelerator facility. ^163,165Os; deduced high-spin levels, J, π, bands, multipolarity, configurations. Recoil-decay tagging technique. Systematic of band structures in ¹⁶³W, ^{162,163,164,165,167}Os.

RADIOACTIVITY ^163,165Os(α)[from ¹⁰⁶Cd(⁶⁰Ni, 3n), E=270 MeV and ⁹²Mo(⁷⁸Kr, 3n2p), E=357 MeV]; measured Eα, Iα, half-lives, α branching ratio.

doi: 10.1103/PhysRevC.87.054309
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2013JA06      Phys.Rev. C 87, 054320 (2013)

U.Jakobsson, S.Juutinen, J.Uusitalo, M.Leino, K.Auranen, T.Enqvist, P.T.Greenlees, K.Hauschild, P.Jones, R.Julin, S.Ketelhut, P.Kuusiniemi, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri

Spectroscopy of the proton drip-line nucleus ²⁰³Fr

NUCLEAR REACTIONS ¹⁶⁹Tm(⁴⁰Ar, 6n), E=205 MeV; measured reaction products, Eγ, Iγ, Eα, Iα, E(ce), I(ce), (recoils)α-, (recoils)γ-, (ce)γ-, (ce)α-coin, T_1/2 using RITU separator, GREAT spectrometer and JUROGAM array at JYFL facility. ²⁰³Fr; deduced high-spin levels, J, π, multipolarity, B(M2), B(E3), configuration. Recoil-decay tagging (RDT) technique. ¹⁶⁹Tm, ^203,204Rn, ²⁰⁴Fr; observed prompt γ rays. Systematics of low-lying negative-parity states in ^{203,205,207,209,211}Fr together with yrast positive-parity states in ^{198,200,202,204,206,208,210,212}Rn.

RADIOACTIVITY ²⁰³Fr, ¹⁹⁹At(α)[from ¹⁶⁹Tm(⁴⁰Ar, 6n)²⁰³Fr, E=205 MeV]; measured Eγ, Iγ, Eα, Iα, E(ce), I(ce), (recoils)α-, (recoils)γ-, (recoils)(ce)-, γγ-, (ce)α-, (ce)γ-coin, T_1/2, α branching ratio using RITU separator, GREAT spectrometer and JUROGAM array at JYFL. ²⁰³Fr, ¹⁹⁹At, ¹⁹⁵Bi; deduced levels, J, π. ¹⁹⁸At, ^202,204Fr; measured Eα, T_1/2. Systematics of 13/2+ and 1/2+ states in N=102-126 Bi, At and Fr nuclei. ^199,200Po, ^200,201At, ^202,203,204Rn(α); measured α spectrum.

doi: 10.1103/PhysRevC.87.054320
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2013LE22      Phys.Rev. C 88, 014323 (2013)

R.Leguillon, C.M.Petrache, T.Zerrouki, T.Konstantinopoulos, K.Hauschild, A.Korichi, A.Lopez-Martens, S.Frauendorf, I.Ragnarsson, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, H.Hubel, A.Neusser-Neffgen, A.Al-Khatib, A.Burger, N.Nenoff, A.K.Singh, D.Curien, G.B.Hagemann, B.Herskind, G.Sletten, P.Fallon, A.Gorgen, P.Bednarczyk, D.M.Cullen

High-spin spectroscopy of ¹⁴⁰Nd

NUCLEAR REACTIONS ⁹⁶Zr(⁴⁸Ca, 4n), E=180, 195 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) using the JUROGAM II+RITU+GREAT setup at Jyvaskyla and the EUROBALL array at the IRS in Strasbourg. Recoil-decay tagging technique. ¹⁴⁰Nd; deduced high-spin levels, J, π, multipolarity, bands, alignments, configurations, B(M1)/B(E2), stable triaxial shape at high spin; calculated potential energy surface contours in (β₂, γ) plane, single-particle Routhians using cranked Nilsson-Strutinsky and tilted axis cranking models.

doi: 10.1103/PhysRevC.88.014323
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2013LH01      Nucl.Instrum.Methods Phys.Res. A 698, 224 (2013)

G.Lhersonneau, T.Malkiewicz, P.Jones, P.Karvonen, S.Ketelhut, O.Bajeat, M.Fadil, S.Gaudu, M.G.Saint-Laurent, W.H.Trzaska

A facility for fast-neutron irradiations at Jyvaeskylae and its use for nuclide cross-section measurements in fission

NUCLEAR REACTIONS ²³⁸U(n, f), E=12.7 MeV; measured products, ¹³²Sn; deduced σ, σ(E). Data were imported from EXFOR entry 23188.

doi: 10.1016/j.nima.2012.09.051
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2013NY01      Phys.Rev. C 88, 054320 (2013)

M.Nyman, S.Juutinen, I.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Ketelhut, H.Kettunen, M.Leino, P.Nieminen, P.Peura, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, T.Enqvist

γ-ray and decay spectroscopy of ^{194, 195, 196}At

NUCLEAR REACTIONS ¹⁴⁷Sm(⁵¹V, 3n), E=224 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, Eα, (recoil)α-correlations, (recoil)α(t) using RITU gas-filled separator, GREAT spectrometer and JUROGAM array at JYFL facility. Recoil-decay tagging method. ¹⁹⁵At; deduced levels, J, π, bands, E3 branching ratio for 7/2- isomer to 1/2+ ground state transition, moment of inertia plots, configurations. ¹⁹⁶At; deduced isomer energy and half-life from (recoil)γ(t). ^194,195Po, ¹⁹⁷At; observed γ rays. Systematics of kinematic moment of inertia plots for bands in ¹⁸⁸Hg, ^191,193Bi, ^195,197At.

RADIOACTIVITY ^{194,194m,195,195m,196}At(α)[from ¹⁴⁷Sm(⁵¹V, xn), E=224 MeV]; ^{190,190m,191,191m,192}Bi(α)[from α decay of corresponding At isotopes]; measured Eα, Iα, half-lives of ground states and isomers, αγ-coin, αα-correlations; deduced hindrance factors, configurations. ¹⁹¹Bi; deduced levels, J, π. ^194,195,196Po, ¹⁹⁷At; observed α lines from their decays. Systematics of energies of low-lying states in N(even)=100-126 Tl, Pb, Bi, and At isotopes.^{194,196,198,200,202}At; estimated level energies of the lowest members of proton-neutron multiplets; systematics of α energies.

doi: 10.1103/PhysRevC.88.054320
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2013RU10      Phys.Rev. C 88, 024320 (2013)

P.Ruotsalainen, C.Scholey, R.Julin, K.Hauschild, K.Kaneko, B.S.Nara Singh, R.Wadsworth, D.G.Jenkins, T.S.Brock, P.T.Greenlees, J.Henderson, U.Jakobsson, P.Jones, S.Juutinen, S.Ketelhut, M.Leino, N.M.Lumley, P.J.R.Mason, P.Nieminen, M.Nyman, I.Paterson, P.Peura, M.G.Procter, P.Rahkila, J.Saren, J.Sorri, J.Uusitalo

Recoil-β tagging study of the N=Z nucleus ⁶⁶As

NUCLEAR REACTIONS ⁴⁰Ca(²⁸Si, np), E=75, 83 MeV; measured reaction products, Eγ, Iγ, γ(θ), γγ(θ)(ADO ratios), βγ-, (recoil)βγ-, γγ-coin, isomer half-lives by γγ(t) using RITU separator, GREAT spectrometer and JUROGAM II array at Jyvaskyla facility. Recoil-beta tagging (RBT) and recoil-isomer tagging methods. ⁶⁶As; deduced high-spin levels, isomers, J, π, T=1 band, T=0 states, conversion coefficients, multipolarity, configuration, B(E2), B(M1), oblate 3+ shape isomer. ⁶⁴Zn, ⁶⁵Ga, ⁶⁶Ge; observed γ rays from low-lying states. Systematics of Coulomb energy differences (CEDs) for A=66, 70, 74, and 78 systems. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.88.024320
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2013UU01      Phys.Rev. C 87, 064304 (2013)

J.Uusitalo, J.Saren, S.Juutinen, M.Leino, S.Eeckhaudt, T.Grahn, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Ketelhut, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, C.Scholey, A.Semchenkov, J.Sorri, A.Steer, M.Venhart

α-decay studies of the francium isotopes ¹⁹⁸Fr and ¹⁹⁹Fr

RADIOACTIVITY ^198,199Fr(α)[from ¹⁴¹Pr(⁶⁰Ni, xn), E=268 MeV]; measured Eα, Iα, Eγ, time-of-flight, recoil energy deposit, half-lives using RITU separator and GREAT spectrometer at JYFL facility. ^198,199Fr; deduced levels, J, π, isomers, reduced α widths, speculative decay schemes. ^190,191Bi, ^194,195,196At, ²⁰⁰Fr(α); measured Eα, half-lives of ground states and isomers; deduced reduced α widths, speculative decay schemes. Comparison with calculated half-lives. ^186,187Tl, ^190,191Bi, ^194,195At, ^198,199Fr; deduced possible levels, isomers, J, π. ^198,199Rn, ¹⁹²Bi(α); observed α spectra. ^190,191Bi(β⁺), (EC); deduced EC+β⁺ branching ratio. Systematics of Eα for α transitions in A=190-212 At and Fr isotopes. Evidence of ground state deformation at N=112 in Fr isotopes.

NUCLEAR REACTIONS ¹⁴¹Pr(⁶⁰Ni, X)¹⁹⁸Rn/¹⁹⁹Rn/¹⁹⁸Fr/¹⁹⁹Fr, E=268 MeV; measured production σ using RITU separator at JYFL facility.

doi: 10.1103/PhysRevC.87.064304
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2013VA10      Phys.Rev. C 87, 064303 (2013)

A.Vancraeyenest, C.M.Petrache, D.Guinet, P.T.Greenlees, U.Jakobsson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, P.Jones, C.Ducoin, P.Lautesse, C.Mancuso, N.Redon, O.Stezowski, P.Desesquelles, R.Leguillon, A.Korichi, T.Zerrouki, D.Curien, A.Takashima

Identification of new transitions feeding the high-spin isomers in ¹³⁹Nd and ¹⁴⁰Nd nuclei

NUCLEAR REACTIONS ⁹⁶Zr(⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E=180 MeV; measured Eγ, Iγ, particle spectra, γγ-, (recoil)γ-coin, γγ(t), isomer half-lives using RITU separator, JUROGAM array, and GREAT spectrometer at JYFL facility. Recoil decay tagging technique. ^139,140Nd; deduced high-spin levels, isomers, J, π, bands, multi-quasiparticle configurations. ¹³⁶Ce, ¹³⁸Nd; measured γ(t), half-lives of 10+ isomers.

doi: 10.1103/PhysRevC.87.064303
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2012AL26      J.Phys.:Conf.Ser. 381, 012126 (2012)

G.A.Alharshan, D.M.Cullen, M.J.Taylor, M.G.Procter, N.M.Lumley, T.Grahn, P.T.Greenless, K.Hauschild, A.Herzon, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, J.Pantanen, P.Peura, P.Rahkila, S.Rinta-Antilla, P.Ruatsalainen, H.M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo

The isomeric structure of ¹³²Pr

NUCLEAR REACTIONS ⁹⁸Mo(⁴⁰Ar, n5p), E=150, 158, 165 MeV; measured prompt Eγ, Iγ using JUROGAM II, recoil gas-filled separator, β-delayed Eγ, Iγ(θ), γγ-coin, X-rays; deduced recoil isomer-tagged γ spectra, EC coefficient, new isomer, T_1/2.

doi: 10.1088/1742-6596/381/1/012126
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2012GR12      Phys.Rev.Lett. 109, 012501 (2012)

P.T.Greenlees, J.Rubert, J.Piot, B.J.P.Gall, L.L.Andersson, M.Asai, Z.Asfari, D.M.Cox, F.Dechery, O.Dorvaux, T.Grahn, K.Hauschild, G.Henning, A.Herzan, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.-L.Khoo, M.Leino, J.Ljungvall, A.Lopez-Martens, R.Lozeva, P.Nieminen, J.Pakarinen, P.Papadakis, E.Parr, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Sorri, B.Sulignano, Ch.Theisen, J.Uusitalo, M.Venhart

Shell-Structure and Pairing Interaction in Superheavy Nuclei: Rotational Properties of the Z=104 Nucleus ²⁵⁶Rf

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁰Ti, 2n)²⁵⁶Rf, E=242 MeV; measured reaction products, Eγ, Iγ; deduced σ, T_1/2, rotational band structure, energies, J, π, moments of inertia. Comparison with available data, systematics.

doi: 10.1103/PhysRevLett.109.012501
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2012JA01      Phys.Rev. C 85, 014309 (2012)

U.Jakobsson, J.Uusitalo, S.Juutinen, M.Leino, T.Enqvist, P.T.Greenlees, K.Hauschild, P.Jones, R.Julin, S.Ketelhut, P.Kuusiniemi, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri

Recoil-decay tagging study of ²⁰⁵Fr

NUCLEAR REACTIONS ¹⁶⁹Tm(⁴⁰Ar, 4n), E=180 MeV; measured Eγ, Iγ, ce, delayed γ, γγ-, αγ-, γ(particle)-, ceγ-coin, γ(t), γ(θ), half-lives of isomers, recoil decay tagging method using JUROGAM array and GREAT spectrometer at JYFL. ²⁰⁵Fr; deduced levels, J, π, bands, isomers, configurations. Systematics of negative-parity states in odd-mass (N=118-126) francium nuclei and yrast and near-yrast positive-parity states in their even-mass (N=112-126) radon isotones.

RADIOACTIVITY ²⁰⁵Fr(IT)[from ¹⁶⁹Tm(⁴⁰Ar, 4n), E=180 MeV]; measured Eγ, Iγ, ce; deduced levels, J, π, isomer half-life. ²⁰⁰At, ^204,205Fr(α); measured Eα, ce. ²⁰¹At, ²⁰⁶Fr, ^204,205,206Rn(α); measured Eα.

doi: 10.1103/PhysRevC.85.014309
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2012LH01      Eur.Phys.J. A 48, 116 (2012)

G.Lhersonneau, T.Malkiewicz, P.Jones, S.Ketelhut, W.H.Trzaska

Neutron production by stopping 55 MeV deuterons in carbon and heavy water

NUCLEAR REACTIONS ¹²C(d, n), E=40, 55 MeV;²H, O(d, n), E=55 MeV[heavy water]; measured thick target Eγ, Iγ(θ< 23⁰) using stacked foils; deduced σ, neutron spectra, yields using stack activation method and TRIUMF software PHYSICA. Compared with other data at different incident energies.

doi: 10.1140/epja/i2012-12116-4
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2012OD01      Phys.Rev. C 85, 054315 (2012)

D.O'Donnell, R.D.Page, C.Scholey, L.Bianco, L.Capponi, R.J.Carroll, I.G.Darby, L.Donosa, M.Drummond, F.Ertugral, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.Lopez-Martens, K.Mulholland, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, J.Simpson, J.Sorri, A.Thornthwaite, J.Uusitalo

First observation of excited states of ¹⁷³Hg

NUCLEAR REACTIONS ⁹²Mo(⁸⁴Sr, 3n), E=392, 400 MeV; measured particle spectra, Eγ, Iγ, Eα, (recoil)γ-coin, Recoil-decay tagging technique, EUROGAM Phase-I Ge detectors and GREAT spectrometer at Jyvaskyla facility. ¹⁷³Hg; deduced levels, J, π. Systematics of excitation energies in A=172-200 odd-A and even-A Hg isotopes.

RADIOACTIVITY ¹⁷³Hg(α)[from ⁹²Mo(⁸⁴Sr, 3n), E=392, 400 MeV]; measured Eα, half-life; deduced branching ratio, reduced width. Comparison with previous studies. ^{170,171,172,173,174}Pt, ^172,173Au, ¹⁷⁴Hg(α); measured α spectra.

doi: 10.1103/PhysRevC.85.054315
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2012PI05      Phys.Rev. C 85, 041301 (2012)

J.Piot, B.J.-P.Gall, O.Dorvaux, P.T.Greenlees, N.Rowley, L.L.Andersson, D.M.Cox, F.Dechery, T.Grahn, K.Hauschild, G.Henning, A.Herzan, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.-L.Khoo, M.Leino, J.Ljungvall, A.Lopez-Martens, P.Nieminen, J.Pakarinen, P.Papadakis, E.Parr, P.Peura, P.Rahkila, S.Rinta-Antila, J.Rubert, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Sorri, B.Sulignano, J.Uusitalo

In-beam spectroscopy with intense ion beams: Evidence for a rotational structure in ²⁴⁶Fm

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁰Ar, 2n), E=186 MeV; measured Eγ, Iγ, γγ-coin, Eα, α(recoil) correlations, σ using JUROGAM-II array, RITU separator, and GREAT spectrometer at JYFL facility. Recoil-decay tagging technique. ²⁴⁶Fm; deduced levels, J, π, rotational band, dynamic moment of inertia plot. Comparison with ground-state bands in ^{248,250,252,254,256}Fm.

RADIOACTIVITY ²⁴⁶Fm(α); measured Eα, half-life.

doi: 10.1103/PhysRevC.85.041301
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2012PR10      Phys.Rev. C 86, 034308 (2012)

M.G.Procter, D.M.Cullen, C.Scholey, P.Ruotsalainen, L.Angus, T.Back, B.Cederwall, A.Dewald, C.Fransen, T.Grahn, P.T.Greenlees, M.Hackstein, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, R.Liotta, N.M.Lumley, P.J.R.Mason, P.Nieminen, M.Nyman, J.Pakarinen, T.Pissulla, P.Peura, P.Rahkila, J.Revill, S.V.Rigby, W.Rother, M.Sandzelius, J.Saren, J.Sorri, M.J.Taylor, J.Uusitalo, P.Wady, C.Qi, F.R.Xu

Electromagnetic transition strengths in ₅₂¹⁰⁹Te

NUCLEAR REACTIONS ⁵⁸Ni(⁵⁴Fe, n2p), E=206 MeV; measured Eγ, Iγ, γγ-, (particle)γ-, (recoil)γ-coin, level half-lives using the recoil distance Doppler-shift method using PRE-JUROGAM II spectrometer, RITU and GREAT focal-plane spectrometer at Jyvaskyla. Recoil-decay tagging method. ¹⁰⁹Te; deduced levels, J, π, bands, multipolarity, B(E2), B(M1). Comparison of experimental B(E2) for ground-state transitions in ^108,109Te, ¹⁰⁹I with theory. Systematics of 11/2- states in N=57-81 Te isotopes, first 2+ states in N=54-82 Te, h_11/2 bands in N=57-63 Te, and ground-state bands in N=54-64 even A Te nuclei. Comparison of levels, J, π, B(E2), B(M1) values with shell model calculations.

NUCLEAR REACTIONS ⁵⁸Ni(⁵⁴Fe, X)¹⁰⁵In/¹⁰⁶Sn/¹⁰⁸Sn/¹⁰⁸Sb/¹⁰⁹Sb/¹⁰⁹Te/¹¹⁰Te, E=206 MeV; measured yields from ground-state transitions in (recoil)γγ-coin spectra.

doi: 10.1103/PhysRevC.86.034308
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2012PR14      J.Phys.:Conf.Ser. 381, 012062 (2012)

M.G.Procter, D M.Cullen, P.Ruotsalainen, T.Braunroth, A.Dewald, C.Fransen, T.Grahn, P.T.Greenlees, M.Hackstein, K.Hauschild, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.Lopez-Martens, M.Leino, J.Litzinger, P.J.R.Mason, P.Nieminen, P.Peura, P.Rahkila, M.W.Reed, S.Rice, S.Rinta-Antilla, W.Rother, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, M.J.Taylor, J.Uusitalo, A.Vitturi, L.Fortunato, Y.Shi, F.R.Xu

X(5) critical-point symmetries in ¹³⁸Gd

NUCLEAR REACTIONS ¹⁰⁶Cd(³⁶Ar, 2n2p), E=190 MeV; measured Eγ, Iγ(θ), γγ-coin using JUROGAM II; deduced T_1/2, B(E2), deformation, symmetries using RDDS (Recoil-Distance Doppler-shift) with DDCM (Differential Decay Curve Method); calculated potential energy surface, deformation, transition probabilities using IBM-1. Experimental lifetimes compared with those by Bishop.

doi: 10.1088/1742-6596/381/1/012062
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2012SU22      Phys.Rev. C 86, 044318 (2012)

B.Sulignano, Ch.Theisen, J.-P.Delaroche, M.Girod, J.Ljungvall, D.Ackermann, S.Antalic, O.Dorvaux, A.Drouart, B.Gall, A.Gorgen, P.T.Greenlees, K.Hauschild, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, W.Korten, M.Leino, A.Lopez-Martens, M.Nyman, A.Obertelli, J.Pakarinen, P.Papadakis, E.Parr, P.Peura, J.Piot, P.Rahkila, D.Rostron, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, M.Venhart, M.Zielinska

Investigation of high-K states in ²⁵²No

NUCLEAR REACTIONS ²⁰⁶Pb(⁴⁸Ca, 2n), E=218 MeV; measured Eγ, Iγ, γγ-, γ(ce)-coin, E(ce), I(ce), Eα, isomer half-life using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla facility. ²⁵²No; deduced levels, J, π, rotational bands, configuration, high-K states, hindrance factors. ²⁵⁰Fm, ²⁵²No; systematics of dynamic moments of inertia and proton pairing energies. Comparison with Hartree-Fock-Bogoliubov (HFB) mean-field calculations.

RADIOACTIVITY ²⁵²No(α), (SF); measured Eα, Iα, (evaporation residues)α correlations, half-life, branching ratios for decay modes. ²⁴⁴Cf, ^248,250Fm, ^253,254No(α); measured α spectrum.

doi: 10.1103/PhysRevC.86.044318
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2012TA18      Phys.Rev. C 86, 044310 (2012)

M.J.Taylor, G.A.Alharshan, D.M.Cullen, M.G.Procter, N.M.Lumley, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, J.Partanen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, F.R.Xu, Z.J.Bai

Identification of isomeric states in the N=73 neutron-deficient nuclei ¹³²Pr and ¹³⁰La

NUCLEAR REACTIONS ⁹⁸Mo(⁴⁰Ar, 5np), (⁴⁰Ar, 3npα), E=150, 158, 165 MeV; measured Eγ, Iγ, γγ-, βγ-coin, delayed and prompt γ spectra, γγ(t), isomer half-lives using Jurogam-II array, RITU separator and GREAT spectrometer at Jyvaskyla. ¹³⁰La, ¹³²Pr; deduced levels, J, π, bands, configurations. Potential-energy-surface calculations.

doi: 10.1103/PhysRevC.86.044310
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2012TA25      J.Phys.:Conf.Ser. 381, 012123 (2012)

M.J.Taylor, D.M.Cullen, M.G.Procter, A.J.Smith, V.Twist, P.M.Jones, P.Nieminen, T.Grahn, P.A.Butler, M.Scheck

A new plunger device to measure lifetimes of unbound states in tagged exotic nuclei

doi: 10.1088/1742-6596/381/1/012123
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Note: The following list of authors and aliases matches the search parameter P.Jones: , P.B.JONES, P.F.JONES, P.G.JONES, P.M.JONES