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NSR database version of May 23, 2024.

Search: Author = G.L.Zimba

Found 24 matches.

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2024IL01      Phys.Lett. B 848, 138371 (2024)

A.Illana, R.M.Perez-Vidal, D.Stramaccioni, J.J.Valiente-Dobon, T.R.Rodriguez, L.M.Robledo, A.Poves, K.Auranen, O.Beliuskina, C.Delafosse, T.Eronen, Z.Ge, S.Geldhof, W.Gins, T.Grahn, P.T.Greenlees, H.Joukainen, R.Julin, H.Jutila, A.Kankainen, M.Leino, J.Louko, M.Luoma, D.Nesterenko, J.Ojala, J.Pakarinen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, J.Uusitalo, G.L.Zimba

Octupole correlations in the N = Z + 2 = 56 110Xe nucleus

NUCLEAR REACTIONS 54Fe(58Ni, 2n)110Xe, E=255 MeV; measured reaction products, Eγ, Iγ, Eα, Iα; deduced γ-ray energies and intensities, J, π, an octupole band . Comparison with systematics, theoretical calculations using the symmetry-conserving configuration-mixing method, based on a Gogny energy density functional. The Recoil-Decay Tagging (RDT) technique, the Mass Analysing Recoil Apparatus (MARA) vacuum mode-recoil separator, the K130 cyclotron at the Accelerator Laboratory of the University of Jyvaskylaa (JYFL), Finland.

doi: 10.1016/j.physletb.2023.138371
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2024WA19      Phys.Rev. C 109, 035806 (2024)

K.-L.Wang, A.Estrade, M.Famiano, H.Schatz, M.Barber, T.Baumann, D.Bazin, K.Bhatt, T.Chapman, J.Dopfer, B.Famiano, S.George, M.Giles, T.Ginter, J.Jenkins, S.Jin, L.Klankowski, S.Liddick, Z.Meisel, N.Nepal, J.Pereira, N.Rijal, A.M.Rogers, O.B.Tarasov, G.Zimba

Mass measurements of neutron-rich nuclei near N=70

doi: 10.1103/PhysRevC.109.035806
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2023AU03      Phys.Rev. C 108, L011303 (2023)

K.Auranen, P.Siwach, P.Arumugam, A.D.Briscoe, L.S.Ferreira, T.Grahn, P.T.Greenlees, A.Herzan, A.Illana, D.T.Joss, H.Joukainen, R.Julin, H.Jutila, M.Leino, J.Louko, M.Luoma, E.Maglione, J.Ojala, R.D.Page, J.Pakarinen, P.Rahkila, J.Romero, P.Ruotsalainen, M.Sandzelius, J.Saren, A.Tolosa-Delgado, J.Uusitalo, G.Zimba

Probing triaxiality beyond the proton drip line: Spectroscopy of 147Tm

NUCLEAR REACTIONS 92Mo(58Ni, 2np)147Tm, E=250 MeV; measured Eγ, Iγ, fusion-evaporation residues, recoils, γγ-coin, (recoils)γ-coin, γ(θ). 147Tm; deduced levels, J, π, angular distribution coefficients, high-spin states, spin-parity of the isomeric proton decaying state, triaxiality evidences for ground-state ans isomeric state, configurations. Comparison to nonadiabatic quasiparticle model calculation. Recoil-decay tagging study using the vacuum-mode recoil separator MARA coupled with the JUROGAM3 g-ray spectrometer at Accelerator Laboratory of University of Jyvaskyla.

RADIOACTIVITY 147mTm(p) [from 92Mo(58Ni, 2np), E=250 MeV]; measured Eγ, Iγ, recoils, γγ-coin, (recoils)γ-coin; deduced T1/2 of the 5/2+ isomeric state proton decay. Recoil-decay tagging study using the vacuum-mode recoil separator MARA coupled with the JUROGAM3 g-ray spectrometer at Accelerator Laboratory of University of Jyvaskyla.

doi: 10.1103/PhysRevC.108.L011303
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2023BR10      Phys.Lett. B 847, 138310 (2023)

A.D.Briscoe, R.D.Page, J.Uusitalo, D.T.Joss, M.A.M.AlAqeel, B.Alayed, B.Andel, S.Antalic, K.Auranen, H.Ayatollahzadeh, H.Badran, L.Barber, G.Beeton, M.Birova, V.Bogdanoff, R.M.Clark, J.G.Cubiss, D.M.Cullen, J.Deary, U.Forsberg, T.Grahn, P.T.Greenlees, J.B.Hilton, A.Illana, H.Joukainen, D.S.Judson, R.Julin, H.Jutila, J.M.Keatings, M.Labiche, M.Leino, M.C.Lewis, J.Louko, M.Luoma, I.Martel, A.McCarter, P.P.McKee, P.Mosat, S.N.Nathaniel, O.Neuvonen, D.O'Donnell, J.Ojala, C.A.A.Page, A.M.Plaza, J.Pakarinen, P.Papadakis, E.Parr, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, J.Smallcombe, J.F.Smith, J.Sorri, C.M.Sullivan, S.Szwec, H.Tann, A.Tolosa-Delgado, E.Uusikyla, M.Venhart, L.J.Waring, G.Zimba

Decay spectroscopy at the two-proton drip line: Radioactivity of the new nuclides 160Os and 156W

RADIOACTIVITY 160Os(α), 156W(β+), (EC), 156Ta(p) [from 106Cd(58Ni, X)160Os, 102Pd(58Ni, X)156Ta, E=310, 294 MeV]; measured decay products, Eα, Iα, Ep, Ip, Eβ, Iβ; deduced α-particles energies, T1/2, an improved value for the half-life of the proton-decaying high-spin isomeric state. Comparison with available data. The recoil separator MARA, the Accelerator Laboratory of the University of Jyvaskyla.

doi: 10.1016/j.physletb.2023.138310
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2023PE05      Eur.Phys.J. A 59, 44 (2023)

X.Pereira-Lopez, M.A.Bentley, R.Wadsworth, P.Ruotsalainen, S.M.Lenzi, U.Forsberg, K.Auranen, A.Blazhev, B.Cederwall, T.Grahn, P.Greenlees, A.Illana, D.G.Jenkins, R.Julin, H.Jutila, S.Juutinen, X.Liu, R.Llewelyn, M.Luoma, K.Moschner, C.Muller-Gatermann, B.S.Nara Singh, F.Nowacki, J.Ojala, J.Pakarinen, P.Papadakis, P.Rahkila, J.Romero, M.Sandzelius, J.Saren, H.Tann, S.Uthayakumaar, J.Uusitalo, J.G.Vega-Romero, J.M.Vilhena, R.Yajzey, W.Zhang, G.Zimba

In-beam γ-ray spectroscopy of 94Ag

NUCLEAR REACTIONS 40Ca(58Ni, 3np)94Ag, E=157-183 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin, Eβ, Iβ; deduced γ-ray energies and relative intensities, T=0 and T=1 analog state transitions. Comparison with shell model calculations. A recoil-beta-tagging experiment using the MARA recoil separator and JUROGAM3 array at the Accelerator Laboratory of the University of Jyvaskyla.

doi: 10.1140/epja/s10050-023-00950-8
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2023PE11      Phys.Rev. C 108, 014317 (2023)

C.M.Petrache, J.Uusitalo, A.D.Briscoe, C.M.Sullivan, D.T.Joss, H.Tann, O.Aktas, B.Alayed, M.A.M.Al-Aqeel, A.Astier, H.Badran, B.Cederwall, C.Delafosse, A.Ertoprak, Z.Favier, U.Forsberg, W.Gins, T.Grahn, P.T.Greenlees, X.T.He, J.Heery, J.Hilton, S.Kalantan, R.Li, P.M.Jodidar, R.Julin, S.Juutinen, M.Leino, M.C.Lewis, J.G.Li, Z.P.Li, M.Luoma, B.F.Lv, A.McCarter, S.Nathaniel, J.Ojala, R.D.Page, J.Pakarinen, P.Papadakis, E.Parr, J.Partanen, E.S.Paul, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, J.Smallcombe, J.Sorri, S.Szwec, L.J.Wang, Y.Wang, L.Waring, F.R.Xu, J.Zhang, Z.H.Zhang, K.K.Zheng, G.Zimba

High-K three-quasiparticle isomers in the proton-rich nucleus 129Nd

doi: 10.1103/PhysRevC.108.014317
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2023WI05      Phys.Lett. B 847, 138249 (2023)

K.Wimmer, P.Ruotsalainen, S.M.Lenzi, A.Poves, T.Huyuk, F.Browne, P.Doornenbal, T.Koiwai, T.Arici, K.Auranen, M.A.Bentley, M.L.Cortes, C.Delafosse, T.Eronen, Z.Ge, T.Grahn, P.T.Greenlees, A.Illana, N.Imai, H.Joukainen, R.Julin, A.Jungclaus, H.Jutila, A.Kankainen, N.Kitamura, B.Longfellow, J.Louko, R.Lozeva, M.Luoma, B.Mauss, D.R.Napoli, M.Niikura, J.Ojala, J.Pakarinen, X.Pereira-Lopez, P.Rahkila, F.Recchia, M.Sandzelius, J.Saren, R.Taniuchi, H.Tann, S.Uthayakumaar, J.Uusitalo, V.Vaquero, R.Wadsworth, G.Zimba, R.Yajzey

Isospin symmetry in the T = 1, A=62 triplet

NUCLEAR REACTIONS 12C(62Zn, 62Zn'), (62Ga, 62Ga'), (62Ge, 62Ge'), E ∼ 165 MeV/nucleon; 24Mg(40Ca, 2n)62Ge, E=106 MeV; measured reaction products, Eγ, Iγ. 62Zn, 62Ga, 62Ge; deduced γ-ray energies, J, π, level schemes, mirror energy differences as a function of the spin of the state. Comparison with the shell-model calculations with the K3BGR (GXPF1A) effective interactions. The Radioactive Isotope Beam Facility operated by the RIKEN Nishina Center and CNS, University of Tokyo, and the Accelerator Laboratory of the University of Jyvaskyla (JYFL-ACCLAB).

doi: 10.1016/j.physletb.2023.138249
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2022AU01      Phys.Rev.Lett. 128, 112501 (2022)

K.Auranen, A.D.Briscoe, L.S.Ferreira, T.Grahn, P.T.Greenlees, A.Herzan, A.Illana, D.T.Joss, H.Joukainen, R.Julin, H.Jutila, M.Leino, J.Louko, M.Luoma, E.Maglione, J.Ojala, R.D.Page, J.Pakarinen, P.Rahkila, J.Romero, P.Ruotsalainen, M.Sandzelius, J.Saren, A.Tolosa-Delgado, J.Uusitalo, G.Zimba

Nanosecond-Scale Proton Emission from Strongly Oblate-Deformed 149Lu

RADIOACTIVITY 149Lu(p) [from 96Ru(58Ni, 4np)149Lu, E=310, 320 MeV]; measured decay products, Eγ, Iγ, Ep, Ip; deduced energy spectrum of the protons, proton decay T1/2, Q-value. Comparison with theoretical calculations. The MARA vacuum-mode recoil separator, the K130 cyclotron of University of Jyvaskyla.

doi: 10.1103/PhysRevLett.128.112501
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2022DA06      Phys.Rev. C 105, L031304 (2022)

B.Das, B.Cederwall, C.Qi, M.Gorska, P.H.Regan, O.Aktas, H.M.Albers, A.Banerjee, M.M.R.Chishti, J.Gerl, N.Hubbard, S.Jazrawi, J.Jolie, A.K.Mistry, M.Polettini, A.Yaneva, S.Alhomaidhi, J.Zhao, T.Arici, S.Bagchi, G.Benzoni, P.Boutachkov, T.Davinson, T.Dickel, E.Haettner, O.Hall, Ch.Hornung, J.P.Hucka, P.R.John, I.Kojouharov, R.Knobel, D.Kostyleva, N.Kuzminchuk, I.Mukha, W.R.Plass, B.S.Nara Singh, J.Vasiljevic, S.Pietri, Zs.Podolyak, M.Rudigier, H.Rosch, E.Sahin, H.Schaffner, C.Scheidenberger, F.Schirru, A.Sharma, R.Shearman, Y.Tanaka, J.Vesic, H.Weick, H.J.Wollersheim, U.Ahmed, A.Algora, C.Appleton, J.Benito, A.Blazhev, A.Bracco, A.M.Bruce, M.Brunet, R.Canavan, A.Esmaylzadeh, L.M.Fraile, G.Hafner, H.Heggen, D.Kahl, V.Karayonchev, R.Kern, A.Korgul, G.Kosir, N.Kurz, R.Lozeva, M.Mikolajczuk, P.Napiralla, R.Page, C.M.Petrache, N.Pietralla, J.-M.Regis, P.Ruotsalainen, L.Sexton, V.Sanchez-Temble, M.Si, J.Vilhena, V.Werner, J.Wiederhold, W.Witt, P.J.Woods, G.Zimba

Nature of seniority symmetry breaking in the semimagic nucleus 94Ru

RADIOACTIVITY 95mPd(β+p)[from 9Be(124Xe, F), E=850 MeV/nucleon];measured Eγ, Iγ, Ep, Ip, γγ-coin, pγ-coin. 94Ru; deduced T1/2 of low-lying excited states, B(E2). Comparison to shell-model calculations. Ions were separated with FRS at GSI and implanted in the Advanced Implantation Detector Array (AIDA), composed of three double-sided silicon strip detectors (DSSSDs) situated at the center of the DEcay SPECtroscopy (DESPEC) setup, comprised of a hybrid array of six triple cluster high-purity germanium (HPGe) detectors and 36 LaBr3(Ce) detectors of the FAst TIMing Array (FATIMA).

doi: 10.1103/PhysRevC.105.L031304
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2022LV04      Phys.Rev. C 105, 044319 (2022)

B.F.Lv, C.M.Petrache, K.K.Zheng, Z.H.Zhang, W.Sun, Z.P.Li, X.T.He, J.Zhang, A.Astier, P.Greenlees, T.Grahn, R.Julin, S.Juutinen, M.Luoma, J.Ojala, J.Pakarinen, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, H.Tann, J.Uusitalo, G.Zimba, B.Cederwall, O.Aktas, A.Ertoprak, W.Zhang, S.Guo, M.L.Liu, H.J.Ong, Z.Y.Sun, J.G.Wang, X.H.Zhou, I.Kuti, B.M.Nyako, D.Sohler, J.Timar, C.Andreoiu, M.Doncel, D.T.Joss, R.D.Page

Refined description of the positive-parity bands and the extent of octupole correlations in 120Ba

NUCLEAR REACTIONS 58Ni(64Zn, 2p), E=255 MeV; measured Eγ, Iγ, γγγ-coin, γγ-coin, γ(θ). 120Ba; deduced levels, J, π, DCO ratios, two-point angular correlation (anisotropy) ratios, multipolarity, B(E1), B(E2), B(E3), high-spin states, bands, configurations, alignments, moments of inertia. Comparison with unpaired cranked shell model (CNS), particle number conserving cranked shell-model (PNC-CSM), and Quadrupole and Octupole Collective Hamiltonian based on the Relativistic Hartree-Bogoliubov Model calculations (QOCH-RHB). Systematics of B(E1)/B(E2) of 7- and 9- states in even-even Xe and Ba (A=116-124). JUROGAM3 array and MARA at K130 cyclotron (JYFL).

doi: 10.1103/PhysRevC.105.044319
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2022ZH17      Eur.Phys.J. A 58, 50 (2022)

K.K.Zheng, C.M.Petrache, Z.H.Zhang, A.Astier, B.F.Lv, P.T.Greenlees, T.Grahn, R.Julin, S.Juutinen, M.Luoma, J.Ojala, J.Pakarinen, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, H.Tann, J.Uusitalo, G.Zimba, B.Cederwall, O.Aktas, A.Ertoprak, W.Zhang, S.Guo, M.L.Liu, X.H.Zhou, I.Kuti, B.M.Nyako, D.Sohler, J.Timar, C.Andreoiu, M.Doncel, D.T.Joss, R.D.Page

Candidate revolving chiral doublet bands in 119Cs

NUCLEAR REACTIONS 58Ni(64Zn, 3p)119Cs, E=255 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced γ-ray energies, levels, rotational and chiral bands, moments of inertia, single-particle angular momenta, J, π. JUROGAM 3+MARA setup at the Accelerator Laboratory of the University of Jyvaskyla, Finland.

doi: 10.1140/epja/s10050-022-00704-y
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2021HE13      Eur.Phys.J. A 57, 132 (2021)

J.Heery, L.Barber, J.Vilhena, B.S.Nara Singh, R.-D.Herzberg, D.M.Cullen, C.Muller-Gatermann, G.Beeton, M.Bowry, A.Dewald, T.Grahn, P.T.Greenlees, A.Illana, R.Julin, S.Juutinen, J.M.Keatings, M.Leino, M.Luoma, D.O'Donnell, J.Ojala, J.Pakarinen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, J.Sinclair, J.F.Smith, J.Sorri, P.Spagnoletti, H.Tann, J.Uusitalo, G.Zimba

Lifetime measurements of yrast states in 178Pt using the charge plunger method with a recoil separator

NUCLEAR REACTIONS 152Sm(32S, X)178Pt, E=192 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level lifetimes, quadrupole moments, B(E2). The differential decay curve method (DDCM) framework, JUROGAM3 spectrometer.

doi: 10.1140/epja/s10050-021-00425-8
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2021ZH38      Phys.Rev. C 104, 014326 (2021)

K.K.Zheng, C.M.Petrache, Z.H.Zhang, A.Astier, B.F.Lv, P.T.Greenlees, T.Grahn, R.Julin, S.Juutinen, M.Luoma, J.Ojala, J.Pakarinen, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, H.Tann, J.Uusitalo, G.Zimba, B.Cederwall, O.Aktas, A.Ertoprak, W.Zhang, S.Guo, M.L.Liu, X.H.Zhou, I.Kuti, B.M.Nyako, D.Sohler, J.Timar, C.Andreoiu, M.Doncel, D.T.Joss, R.D.Page

Neutron excitations in 119Ba

NUCLEAR REACTIONS 58Ni(64Zn, n2p)119Ba, E=255 MeV; measured Eγ, Iγ, prompt and delayed γγ-coin, T1/2 of (5/2-) isomer by γγ(t) using the JUROGAM 3 array for γ rays, and MARA recoil-mass separator setup. 119Ba; deduced high-spin levels, J, π, rotational bands, Nilsson configurations, alignments, moment of inertia plots. Comparison with particle number conserving cranked shell model (PNC-CSM) calculations.

doi: 10.1103/PhysRevC.104.014326
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2021ZH54      Phys.Lett. B 822, 136645 (2021)

K.K.Zheng, C.M.Petrache, Z.H.Zhang, P.W.Zhao, Y.K.Wang, A.Astier, B.F.Lv, P.T.Greenlees, T.Grahn, R.Julin, S.Juutinen, M.Luoma, J.Ojala, J.Pakarinen, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, H.Tann, J.Uusitalo, G.Zimba, B.Cederwall, O.Aktas, A.Ertoprak, W.Zhang, S.Guo, M.L.Liu, I.Kuti, B.M.Nyako, D.Sohler, J.Timar, C.Andreoiu, M.Doncel, D.T.Joss, R.D.Page

Evidence of oblate-prolate shape coexistence in the strongly-deformed nucleus 119Cs

NUCLEAR REACTIONS 58Ni(64Zn, 3p), E=255 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced γ-ray energies, J, π, partial level scheme, bands, oblate-prolate shape coexistence, level T1/2. Comparison with the particle-number conserving cranked shell model and two dimensional tilted axis cranking covariant density functional theory. JUROGAM 3+MARA setup at the Accelerator Laboratory of the University of Jyvaskyla, Finland.

doi: 10.1016/j.physletb.2021.136645
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2021ZH56      Phys.Rev. C 104, 044305 (2021)

K.K.Zheng, C.M.Petrache, Z.H.Zhang, A.Astier, B.F.Lv, P.T.Greenlees, T.Grahn, R.Julin, S.Juutinen, M.Luoma, J.Ojala, J.Pakarinen, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, H.Tann, J.Uusitalo, G.Zimba, B.Cederwall, O.Aktas, A.Ertoprak, W.Zhang, S.Guo, M.L.Liu, X.H.Zhou, I.Kuti, B.M.Nyako, D.Sohler, J.Timar, C.Andreoiu, M.Doncel, D.T.Joss, R.D.Page

Complete set of proton excitations in 119Cs

NUCLEAR REACTIONS 58Ni(64Zn, 3p)119Cs, E=255 MeV; measured Eγ, Iγ, (recoils)γγ- and γγγ-coin, γ(θ), γγ(θ)(DCO), γγ(angular anisotropy), γγ(linear polarization) using JUROGAM 3 array for γ detection and recoil mass separator MARA at the K130 cyclotron of University of Jyvaskyla. 119Cs; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, rotational bands, configurations, band crossings, chiral doublet bands, revolving chiral doublet bands, moment of inertia plots; calculated neutron occupation probabilities, single-particle Routhians, and moments of inertia plots using particle number conserving cranked shell model (PNC-CSM). Comparison between experimental results and theoretical model calculations.

doi: 10.1103/PhysRevC.104.044305
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2021ZH57      Phys.Rev. C 104, 044325 (2021)

K.K.Zheng, C.M.Petrache, Z.H.Zhang, A.Astier, B.F.Lv, P.T.Greenlees, T.Grahn, R.Julin, S.Juutinen, M.Luoma, J.Ojala, J.Pakarinen, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, H.Tann, J.Uusitalo, G.Zimba, B.Cederwall, O.Aktas, A.Ertoprak, W.Zhang, S.Guo, M.L.Liu, X.H.Zhou, I.Kuti, B.M.Nyako, D.Sohler, J.Timar, C.Andreoiu, M.Doncel, D.T.Joss, R.D.Page

Rich band structure and multiple long-lived isomers in the odd-odd 118Cs nucleus

NUCLEAR REACTIONS 58Ni(64Zn, n3p)118Cs, E=255 MeV; measured Eγ, Iγ, (recoils)γγ- and γγγ-coin, γ(θ), γγ(θ)(DCO), γγ(angular anisotropy), γγ(linear polarization), half-life of the 7+ isomer by γγ(t) using JUROGAM 3 array for γ detection and recoil mass separator MARA at the K130 cyclotron of University of Jyvaskyla. 118Cs; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, rotational bands, alignments, moments of inertia plots, two-quasiparticle configurations, moment of inertia plots; calculated single-particle Routhians, and moments of inertia plots using particle number conserving cranked shell model (PNC-CSM). Comparison between experimental results and theoretical model calculations.

doi: 10.1103/PhysRevC.104.044325
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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, νh11/2 band. Comparison with large-scale shell-model calculations and total Routhian surface calculations. Systematics of νh11/2 bands and level structures in 107,109,111,113,115,117,119Te.

doi: 10.1103/PhysRevC.104.064305
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2020BA42      Nucl.Instrum.Methods Phys.Res. A979, 164454 (2020)

L.Barber, J.Heery, D.M.Cullen, B.S.Nara Singh, R.-D.Herzberg, C.Muller-Gatermann, G.Beeton, M.Bowry, A.Dewald, T.Grahn, P.T.Greenlees, A.Illana, R.Julin, S.Juutinen, J.M.Keatings, M.Luoma, D.O'Donnell, J.Ojala, J.Pakarinen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, J.Sinclair, J.F.Smith, J.Sorri, P.Spagnoletti, H.Tann, J.Uusitalo, J.Vilhena, G.Zimba

A charge plunger device to measure the lifetimes of excited nuclear states where transitions are dominated by internal conversion

NUCLEAR REACTIONS 152Sm(32S, 4n)180Pt, E=165 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, 2+ state lifetime, B(E2). Charge plunger technique.

doi: 10.1016/j.nima.2020.164454
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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 154,155,156,157,158Dy and 152,153,154,155,156Gd.

doi: 10.1103/PhysRevC.101.044312
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2020PA20      Eur.Phys.J. A 56, 149 (2020)

J.Pakarinen, J.Ojala, P.Ruotsalainen, H.Tann, H.Badran, T.Calverley, J.Hilton, T.Grahn, P.T.Greenlees, M.Hytonen, A.Illana, A.Kauppinen, M.Luoma, P.Papadakis, J.Partanen, K.Porras, M.Puskala, P.Rahkila, K.Ranttila, J.Saren, M.Sandzelius, S.Szwec, J.Tuunanen, J.Uusitalo, G.Zimba

The jurogam 3 spectrometer

doi: 10.1140/epja/s10050-020-00144-6
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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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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, Kπ=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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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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