NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = I.Darby Found 96 matches. 2022SI25 Phys.Rev. C 106, 044311 (2022) U.Silwal, J.A.Winger, S.V.Ilyushkin, K.P.Rykaczewski, C.J.Gross, J.C.Batchelder, L.Cartegni, I.G.Darby, R.Grzywacz, A.Korgul, W.Królas, S.N.Liddick, C.Mazzocchi, A.J.Mendez, II, S.Padgett, M.M.Rajabali, D.P.Siwakoti, D.Shapira, D.W.Stracener, E.F.Zganjar β decay of neutron-rich 76Cu and the structure of 76Zn RADIOACTIVITY 76Cu(β-), (β-n)[from U(p, F), E=54 MeV using UCx target, followed by isobaric separation of fission fragments]; measured Eγ, Iγ, Eβ, βγ-coin, γγ-coin, T1/2 of 76Cu decay using four HPGe clover detectors at the LeRIBSS-HRIFL-ORNL facility. 76Zn; deduced levels, J, π, β feedings, logft. 76Cu; deduced T1/2 of g.s. decay, no evidence for an isomeric activity proposed earlier, and no γ rays detected in 75Zn from β-n decay of 76Cu. Comparison with previous experimental results, and with NUSHELLX shell-model calculations. Systematics of first excited 0+, 2+ and 4+ levels, and second 2+ in 66,68,70,72,74,76,78,80Zn. NUCLEAR STRUCTURE 76Zn; calculated levels, J, π, B(M1), B(E2), relative γ intensities from low-lying and low-spin levels, β feedings using NUSHELLX with the jj44 model space and the JUN45 effective interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.106.044311
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, T1/2, 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
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
2018ST18 Phys.Rev. C 98, 064326 (2018) M.Stryjczyk, Y.Tsunoda, I.G.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, U.Koster, B.A.Marsh, T.Otsuka, D.Pauwels, L.Popescu, D.Radulov, M.D.Seliverstov, A.M.Sjodin, P.Van den Bergh, P.Van Duppen, M.Venhart, W.B.Walters, K.Wimmer β-decay study of the 66Mn - 66Fe - 66Co - 66Ni decay chain RADIOACTIVITY 66Mn(β-), (β-n)[from U(p, F), Mn beam purified by laser resonance ionization and mass separation]; 66Fe(β-)[from 66Mn β- decay]; 66Co(β-)[from 66Fe β- decay]; measured Eβ, Iβ, Eγ, Iγ, half-lives of β-decaying 66Mn, 66Fe, 66Co, γγ- and βγγ-coin, half-lives of isomers in 65Fe, 66Co by γ(t) using plastic scintillators for β detection and MiniBall cluster Ge detectors for γ detection at ISOLDE-CERN. 65,66Fe, 66Co, 66Ni; deduced levels, isomers, J, π, β feedings, logft, B(GT) values, %β-n value for the decay of 66Mn. Comparison with Monte Carlo shell model calculations. NUCLEAR STRUCTURE 66Mn, 66Fe, 66Co, 66Ni; calculated average proton and neutron occupation numbers for selected low-lying positive-parity states, potential energy surface (PES) in (Q0, Q2) plane, levels, J, π, B(M1), B(E2) using Monte Carlo Shell model with the A3DA interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.98.064326
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 T1/2. Comparison with available data.
doi: 10.1016/j.physletb.2017.07.031
2017RA11 J.Phys.(London) G44, 074001 (2017) E.Rapisarda, A.N.Andreyev, S.Antalic, A.Barzakh, T.E.Cocolios, I.G.Darby, R.De Groote, H.De Witte, J.Diriken, J.Elseviers, D.Fedorov, V.N.Fedosseev, R.Ferrer, M.Huyse, Z.Kalaninova, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, D.Pauwels, T.J.Procter, D.Radulov, K.Sandhu, M.D.Seliverstov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, M.Venhart, M.Veselsky, K.Wrzosek-Lipska Shape coexistence studied in 182, 184Hg via the β decay of 182, 184Tl RADIOACTIVITY 182,184Tl(β+), (EC) [from U(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, intensities, J, π, conversion coefficients. Comparison with systematics.
doi: 10.1088/1361-6471/aa6bb6
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 d3/2 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, T1/2. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2017.04.034
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
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
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 h11/2 protons and h9/2 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
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
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, T1/2. Comparison with available data.
doi: 10.5506/APhysPolB.46.695
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 161,163,165,167,169,171,173,175,177Re. 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
2015DI04 Phys.Rev. C 91, 054321 (2015) J.Diriken, N.Patronis, A.Andreyev, S.Antalic, V.Bildstein, A.Blazhev, I.G.Darby, H.De Witte, J.Eberth, J.Elseviers, V.N.Fedosseev, F.Flavigny, Ch.Fransen, G.Georgiev, R.Gernhauser, H.Hess, M.Huyse, J.Jolie, Th.Kroll, R.Krucken, R.Lutter, B.A.Marsh, T.Mertzimekis, D.Muecher, R.Orlandi, A.Pakou, R.Raabe, G.Randisi, P.Reiter, T.Roger, M.Seidlitz, M.Seliverstov, C.Sotty, H.Tornqvist, J.Van De Walle, P.Van Duppen, D.Voulot, N.Warr, F.Wenander, K.Wimmer Experimental study of the 66Ni(d, p) 67Ni one-neutron transfer reaction NUCLEAR REACTIONS 2H(66Ni, p), E=2.95 MeV/nucleon, [secondary 66Ni beam from U(p, X), E=1.4 GeV primary reaction using RILIS and REX-TRAP at ISOLDE-CERN]; measured Eπ, Ip, Eγ, Iγ, γγ(t), pγ-, pγγ-coin, isomer half-life, σ(θ) for protons using T-REX setup for charged-particles and Miniball (MB) array for γ detection. 67Ni; deduced levels, J, π, l-transfer, configurations, spectroscopic factors, asymptotic normalization constants (ANCs), single-neutron strengths. DWBA analysis of σ(θ) data. Comparison with proton single-particle strength distribution in 89Y, and with shell model calculations. Systematics of summed single-particle spectroscopic factors and C2S weighted centroid energies for 59,61,63,65,67Ni.
doi: 10.1103/PhysRevC.91.054321
2015FL01 Phys.Rev. C 91, 034310 (2015) F.Flavigny, D.Pauwels, D.Radulov, I.J.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, V.S.Ivanov, U.Koster, B.A.Marsh, T.Otsuka, L.Popescu, R.Raabe, M.D.Seliverstov, N.Shimizu, A.M.Sjodin, Y.Tsunoda, P.Van den Bergh, P.Van Duppen, J.Van de Walle, M.Venhart, W.B.Walters, K.Wimmer Characterization of the low-lying 0+ AND 2+ states in 68Ni via β decay of the low-spin 68Co isomer RADIOACTIVITY 68Co(β-), (β-n)[from 68Mn -> 68Fe -> 68Co decay chain, 68Mn from 238U(p, F), E=1 GeV]; measured Eγ, Iγ, βγ-, γγ-coin, half-life of first excited 0+ state by βγ(t) using RILIS and Miniball array at ISOLDE-CERN facility. 68Ni; deduced levels, J, π, β feedings, logft, E0 decays, delayed neutron emission probability Pn, B(E2), configuration. Comparison with previous results, and with Monte Carlo shell model (MCSM) calculations. 67,68Fe, 67Co, 68Ga, 136I(β-); detected γ rays. NUCLEAR STRUCTURE 68Ni; calculated Potential energy surfaces in (Q0, Q2) plane for the ground state and first 2+ state. Large-scale Monte Carlo shell model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.034310
2015GA38 Eur.Phys.J. A 51, 136 (2015) L.P.Gaffney, J.Van de Walle, B.Bastin, V.Bildstein, A.Blazhev, N.Bree, J.Cederkall, I.Darby, H.De Witte, D.DiJulio, J.Diriken, V.N.Fedosseev, Ch.Fransen, R.Gernhauser, A.Gustafsson, H.Hess, M.Huyse, N.Kesteloot, Th.Kroll, R.Lutter, B.A.Marsh, P.Reiter, M.Seidlitz, P.Van Duppen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek-Lipska Low-energy Coulomb excitation of 62Fe and 62Mn following in-beam decay of 62Mn NUCLEAR REACTIONS 109Ag(62Mn, 62Mn'), (62Fe, 62Fe'), E=2.86 MeV/nucleon; measured Coulomb excitation Eγ, Iγ, projectile, recoil; deduced B(E2). 62Mn deduced γ transitions, levels, J, π.
doi: 10.1140/epja/i2015-15136-6
2015KE06 Phys.Rev. C 92, 054301 (2015) N.Kesteloot, B.Bastin, L.P.Gaffney, K.Wrzosek-Lipska, K.Auranen, C.Bauer, M.Bender, V.Bildstein, A.Blazhev, S.Bonig, N.Bree, E.Clement, T.E.Cocolios, A.Damyanova, I.Darby, H.De Witte, D.DiJulio, J.Diriken, C.Fransen, J.E.Garcia-Ramos, R.Gernhauser, T.Grahn, P.-H.Heenen, H.Hess, K.Heyde, M.Huyse, J.Iwanicki, U.Jakobsson, J.Konki, T.Kroll, B.Laurent, N.Lecesne, R.Lutter, J.Pakarinen, P.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, M.Scheck, M.Seidlitz, M.Sferrazza, B.Siebeck, M.Sjodin, H.Tornqvist, E.Traykov, J.Van De Walle, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, M.Zielinska Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes NUCLEAR REACTIONS 104Pd(196Po, 196Po'), (200Po, 200Po'), (202Po, 202Po'), 94Mo(198Po, 198Po'), (202Po, 202Po'), E=2.85 MeV/nucleon, [secondary Po beams from U(p, X), E=1.4 GeV at REX-ISOLDE-CERN facility]; measured Eγ, Iγ, γγ-coin, (Po x ray)γ-coin, (scattered particle)γ-coin, (particle)γ(t), angular distribution of scattered particles, Coulomb excitation yields for excited states in beams and targets during laser-on and laser-off using double-sided silicon-strip detectors (DSSSDs) for particles and Miniball array for γ rays. 196,198,200,202Po; deduced levels, J, π, E2 matrix elements, B(E2), deformation parameters, transition quadrupole moments. 94Mo, 104Pd; deduced levels, Coulomb excitation yields. GOSIA analysis of Coulomb excitation yields. Comparison with predictions of beyond-mean-field (BMF) model, interacting boson model (IBM), general Bohr Hamiltonian (GBH) model, phenomenological two-level mixing model, and with previous measurement of mean-square charge radii.
doi: 10.1103/PhysRevC.92.054301
2015LI33 Phys.Rev. C 92, 024319 (2015); Erratum Phys.Rev. C 94, 069904 (2016) S.N.Liddick, W.B.Walters, C.J.Chiara, R.V.F.Janssens, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, M.P.Carpenter, L.Cartegni, J.Chen, H.L.Crawford, I.G.Darby, R.Grzywacz, J.Harker, C.R.Hoffman, S.Ilyushkin, F.G.Kondev, N.Larson, M.Madurga, D.Miller, S.Padgett, S.V.Paulauskas, M.M.Rajabali, K.Rykaczewski, D.Seweryniak, S.Suchyta, S.Zhu Analogous intruder behavior near Ni, Sn, and Pb isotopes RADIOACTIVITY 69Fe, 69Co, 69Ni(β-)[from 9Be(78Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, (ion)γ- and βγ- correlated events, half-lives of ground states of 69Co, 69Fe, and half-life of an isomer in 69Co, absolute intensities of γ rays from the decay of directly produced 69Co and that from the decay of 69Fe using BCS system and SEGA array at NSCL-MSU facility. 69Cu, 69Co; deduced levels in 69Cu, and isomer in 69Co, J, π, intruder configuration; identified and discussed proton particle-hole intruder states originating from excitations across Z=28. 68Fe, 68Co(β-); observed γ. NUCLEAR REACTIONS 208Pb(70Zn, X)71Cu, E=440 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ATLAS-ANL facility. 71Cu; deduced high-spin levels, J, π, band; discussed systematics of level structure and proton particle-hole intruder states in 67,69,71Cu.
doi: 10.1103/PhysRevC.92.024319
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
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
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 T1/2, α-decay branch. Comparison with available data.
doi: 10.1103/PhysRevLett.112.092501
2014DI08 Phys.Lett. B 736, 533 (2014) J.Diriken, N.Patronis, A.N.Andreyev, S.Antalic, V.Bildstein, A.Blazhev, I.G.Darby, H.De Witte, J.Eberth, J.Elseviers, V.N.Fedosseev, F.Flavigny, Ch.Fransen, G.Georgiev, R.Gernhauser, H.Hess, M.Huyse, J.Jolie, Th.Kroll, R.Krucken, R.Lutter, B.A.Marsh, T.Mertzimekis, D.Muecher, F.Nowacki, R.Orlandi, A.Pakou, R.Raabe, G.Randisi, P.Reiter, T.Roger, M.Seidlitz, M.Seliverstov, K.Sieja, C.Sotty, H.Tornqvist, J.Van De Walle, P.Van Duppen, D.Voulot, N.Warr, F.Wenander, K.Wimmer Study of the deformation-driving νd5/2 orbital in 6728Ni39 using one-neutron transfer reactions NUCLEAR REACTIONS 2H(66Ni, p)67Ni, E=2.95 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, σ(θ), single-particle strength. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2014.08.004
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 πh11/2 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 πh11/2 states in Z=73-78, N=84-92 nuclei.
doi: 10.1103/PhysRevC.89.064309
2014FE01 Phys.Lett. B 728, 191 (2014) R.Ferrer, N.Bree, T.E.Cocolios, I.G.Darby, H.De Witte, W.Dexters, J.Diriken, J.Elseviers, S.Franchoo, M.Huyse, N.Kesteloot, Yu.Kudryavtsev, D.Pauwels, D.Radulov, T.Roger, H.Savajols, P.Van Duppen, M.Venhart In-gas-cell laser ionization spectroscopy in the vicinity of 100Sn: Magnetic moments and mean-square charge radii of N=50-54 Ag NUCLEAR MOMENTS 97,98,99,100,101,107,109Ag; measured scanning laser frequency, Eγ, Iγ, Eβ, Iβ; deduced magnetic dipole moments, rms radii, hyperfine structures. Comparison with spherical droplet model predictions, available data.
doi: 10.1016/j.physletb.2013.11.055
2014RA20 J.Phys.(London) G41, 115104 (2014) M.M.Rajabali, R.Grzywacz, S.N.Liddick, C.Mazzocchi, J.C.Batchelder, T.Baumann, C.R.Bingham, I.G.Darby, T.N.Ginter, S.V.Ilyushkin, M.Karny, W.Krolas, P.F.Mantica, K.Miernik, M.Pfutzner, K.P.Rykaczewski, D.Weisshaar, J.A.Winger β decay of 72Co and microsecond isomers in even-mass neutron-rich nickel isotopes RADIOACTIVITY 72Co(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ. 76Ni; deduced energy levels, J, π, isomeric state T1/2. Comparison with shell model calculations, available data.
doi: 10.1088/0954-3899/41/11/115104
2014SE07 Phys.Rev. C 89, 034323 (2014) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Electromagnetic moments of odd-A 193-203, 211Po isotopes RADIOACTIVITY 193Po, 193mPo, 195Po, 195mPo, 197Po, 197mPo, 199Po, 199mPo, 201Po, 201mPo, 203Po, 203mPo, 209Po, 211Po(α)[from 238U(p, F), E=1.4 GeV followed by mass separation]; measured Eα, Eγ, hyperfine splitting parameters for low-spin ground state and high-spin Po activities using in-source resonance ionization spectroscopy technique, and Wildmill chamber at ISOLDE-CERN facility; deduced magnetic dipole and spectroscopic electric quadrupole moments. Comparison with particle-plus-rotor model calculations. NUCLEAR MOMENTS 193,193m,195,195m,197,197m,199,199m,201,201m,203,203m,209,211Po; measured hyperfine splitting constants; magnetic dipole moments, and spectroscopic electric quadrupole moments, quadrupole deformation parameters using online mass separator and in-source resonance ionization spectroscopy technique at ISOLDE-CERN facility. Comparison with predictions of particle-plus-rotor model calculations, and with previous experimental results. Discussed configuration mixing. Systematics of magnetic moments for 3/2- and 13/2+ states in 187,189,191,193,195Pt, 185,187,189,191,193,195Hg, 187,189,191,193,195,197,199Pb, 193,195,197,199,201,203,205,207Po.
doi: 10.1103/PhysRevC.89.034323
2013AL05 Nucl.Phys. A899, 1 (2013); Erratum Nucl.Phys. A947, 260 (2016) M.Albers, K.Nomura, N.Warr, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, M.Scheck, M.Seidlitz, B.Siebeck, G.S.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of 92Kr, 94Kr and 96Kr NUCLEAR REACTIONS 194,196Pt(92Kr, 92Kr'), (94Kr, 94Kr'), (96Kr, 96Kr'), E=2.85 MeV/nucleon; measured projectile and target E, I(θ, t) using DSSD, Eγ, Iγ(θ) from Coulomb excitation using HPGe array and considering Doppler correction, (particle)γ-coin; calculated electromagnetic matrix elements, γ-ray yields using CC code GOSIA2, energy vs deformation using IBM-2 with self-consistent constrained HFB with Gogny functional; deduced Coulomb excitation σ, electromagnetic matrix elements using fit to data, B(E2), quadrupole moments, IBM-2 Hamiltonian parameters. 96Kr calculated levels, J, π; deduced shape coexistence.
doi: 10.1016/j.nuclphysa.2013.01.013
2013DI01 Phys.Rev. C 87, 017301 (2013) D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, M.Hjorth-Jensen, M.Albers, V.Bildstein, A.Blazhev, I.Darby, T.Davinson, H.De Witte, J.Diriken, Ch.Fransen, K.Geibel, R.Gernhauser, A.Gorgen, H.Hess, K.Heyde, J.Iwanicki, R.Lutter, P.Reiter, M.Scheck, M.Seidlitz, S.Siem, J.Taprogge, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer Coulomb excitation of 107In NUCLEAR REACTIONS 58Ni(107In, 107In'), (107Sn, 107Sn'), [107In and 107Sn secondary beams from LaCx(p, X), E=1.4 GeV primary reaction], E=2.87 MeV/nucleon; measured Eγ, Iγ, scattered particle spectra, (particle)γ-coin, B(E2) using REX-ISOLDE, MINIBALL Ge array facility at CERN. 107In; deduced levels, J, π, B(E2). GOSIA2 analysis for Coulomb excitation. 58Ni; measured Eγ, Iγ, used known B(E2) for first 2+ state for normalization of data for 107In. Comparison with experimental B(E2) values for 113,115In, and with large-scale shell model calculations. 107Sn; observed γ ray spectrum.
doi: 10.1103/PhysRevC.87.017301
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, 162,163,164,165,167Os. 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
2013LI04 Phys.Rev. C 87, 014325 (2013) S.N.Liddick, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, B.A.Brown, L.Cartegni, H.L.Crawford, I.G.Darby, R.Grzywacz, S.Ilyushkin, M.Hjorth-Jensen, N.Larson, M.Madurga, D.Miller, S.Padgett, S.V.Paulauskas, M.M.Rajabali, K.Rykaczewski, S.Suchyta Low-energy level schemes of 66, 68Fe and inferred proton and neutron excitations across Z=28 and N=40 RADIOACTIVITY 66,68Mn(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, (Mn ions)γ-, γγ-coin, Eβ, Iβ, T1/2 using the BCS system and SeGA array at NSCL facility. 66,68Fe; deduced levels, J, π, β feedings, logft. 66,68Fe, 68Ni; comparison of experimental levels, J, π with shell-model calculations.
doi: 10.1103/PhysRevC.87.014325
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, 196At 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,196At(α)[from 147Sm(51V, xn), E=224 MeV]; 190,190m,191,191m,192Bi(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.194,196,198,200,202At; estimated level energies of the lowest members of proton-neutron multiplets; systematics of α energies.
doi: 10.1103/PhysRevC.88.054320
2013RA17 Phys.Rev. C 88, 014307 (2013) D.Radulov, C.J.Chiara, I.G.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, U.Koster, B.A.Marsh, D.Pauwels, L.Popescu, M.D.Seliverstov, A.M.Sjodin, P.Van den Bergh, P.Van Duppen, M.Venhart, W.B.Walters, K.Wimmer β decay of 61Mn to levels in 61Fe RADIOACTIVITY 61Mn(β-)[from 238U(p, F), E=1.4 GeV]; measured Eγ, Iγ, γγ-, βγ-coin, βγ(t), T1/2 of 61Mn g.s., upper limit of P(n) to first 2+ state in 60Fe at ISOLDE, CERN facility. Laser ionization and mass separation of 61Mn beam. 61Fe; deduced levels, J, π, β feedings, logft. Comparison with shell-model calculations. Systematics of ground and first excited states in 24,26,28,30,32,34,36Mn. NUCLEAR STRUCTURE 59,61Fe; calculated levels J, π using shell model with GXPF1A and pf(g0) interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.014307
2013SE03 Phys.Lett. B 719, 362 (2013) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedoseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Charge radii of odd-A 191-211Po isotopes NUCLEAR MOMENTS 191,193,195,197,199,201,203,209,211Po; measured optical spectra, isotope shifts, Eα, Iα; deduced mean square charge radii.
doi: 10.1016/j.physletb.2013.01.043
2012AL03 Phys.Rev.Lett. 108, 062701 (2012); Erratum Phys.Rev.Lett. 109, 209904 (2012) M.Albers, N.Warr, K.Nomura, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, T.Otsuka, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, P.Sarriguren, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska Evidence for a Smooth Onset of Deformation in the Neutron-Rich Kr Isotopes NUCLEAR REACTIONS 194,196Pt(94Kr, 94Kr'), (96Kr, 96Kr'), 285 MeV/nucleon; measured reaction products, Eγ, Iγ. 94,96Kr; deduced J, π, B(E2), spectroscopic quadrupole moments. Comparison with IBM calculations based on the constrained HFB approach using the microscopic Gogny-D1M energy density functional.
doi: 10.1103/PhysRevLett.108.062701
2012CA03 Phys.Rev. C 85, 014312 (2012) L.Cartegni, C.Mazzocchi, R.Grzywacz, I.G.Darby, S.N.Liddick, K.P.Rykaczewski, J.C.Batchelder, L.Bianco, C.R.Bingham, E.Freeman, C.Goodin, C.J.Gross, A.Guglielmetti, D.T.Joss, S.H.Liu, M.Mazzocco, S.Padgett, R.D.Page, M.M.Rajabali, M.Romoli, P.J.Sapple, J.Thomson, H.V.Watkins Experimental study of the decays of 112Cs and 111Xe RADIOACTIVITY 112Cs(p), (α)[from 58Ni(58Ni, 3np), E=250 MeV]; measured Ep, Ip, Eα, Iα, recoils, αα correlations, half-life; deduced upper limit of α decay branching, Q(α) value. 111Xe(α)[from 112Cs p decay]; measured Eα, Iα, T1/2; deduced α-decay branching ratio. 111,112Xe, 107,108Te(α); measured αα correlations. 107Te(EC)[from 111Xe α decay]; measured partial β decay half-life; deduced β decay branching ratio. 109I, 113Cs(p); measured Ep, Ip. 104Sb, 108I(p); deduced Q(p) limits. 103,102Sb(p); predicted Q(p), T1/2 values. Systematics of Q(p) values for neutron-deficient N=51-63 Sb, I, Cs nuclei. Comparison of S(p) values of odd-Z nuclei above 100Sn with shell model calculations.
doi: 10.1103/PhysRevC.85.014312
2012CO24 J.Phys.:Conf.Ser. 381, 012072 (2012) T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Early onset of deformation in the neutron-deficient polonium isotopes ATOMIC PHYSICS 191,192,193,194,195,196,197,198,199,200,201,202,203,204,206,208,209,210,211,216,218Po[from high-energy proton-induced spallation of 238U]; measured Eα, Iα, Eβ, Iβ, Eγ, Ιg; deduced even-A charge radius. 199g,199mPo deduced hyperfine spectra, γ transition energy, intensity. Compared with earlier papers.
doi: 10.1088/1742-6596/381/1/012072
2012DI12 Eur.Phys.J. A 48, 105 (2012) D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, M.Hjorth-Jensen, M.Albers, V.Bildstein, A.Blazhev, I.Darby, T.Davinson, H.De Witte, J.Diriken, Ch.Fransen, K.Geibel, R.Gernhauser, A.Gorgen, H.Hess, J.Iwanicki, R.Lutter, P.Reiter, M.Scheck, M.Seidlitz, S.Siem, J.Taprogge, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer Coulomb excitation of 107Sn NUCLEAR REACTIONS 58Ni(107Sn, 107Sn'), E=2.87 MeV/nucleon; measured Coulomb excitation Eγ, Iγ using HPGe MINIBALL detector array, particles using DSSSD (double-sided Si strip detector), γ(Ni)-coin. 107,109Sn deduced levels, J, π, γ transitions, B(E2), B(M1) using GOSIA2 code; calculated levels, J, π, γ transitions, B(E2) using shell model.
doi: 10.1140/epja/i2012-12105-7
2012DI13 Phys.Rev. C 86, 031302 (2012) D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, M.Hjorth-Jensen, M.Albers, V.Bildstein, A.Blazhev, I.Darby, T.Davinson, H.De Witte, J.Diriken, Ch.Fransen, K.Geibel, R.Gernhauser, A.Gorgen, H.Hess, J.Iwanicki, R.Lutter, P.Reiter, M.Scheck, M.Seidlitz, S.Siem, J.Taprogge, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer Excitation strengths in 109Sn: Single-neutron and collective excitations near 100Sn NUCLEAR REACTIONS 58Ni(109Sn, 109Sn'), E=2.87 MeV/nucleon, [109Sn beam from La(p, X), E=1.4 GeV]; measured Eγ, Iγ using the MINIBALL array and REX-ISOLDE facility at CERN. 58Ni, 109Sn; deduced levels, J, π, B(E2). GOSIA2 analysis for Coulomb excitation. Comparison with shell-model calculations. Single neutron excitations relative to 100Sn core.
doi: 10.1103/PhysRevC.86.031302
2012LI02 Phys.Rev. C 85, 014328 (2012) S.N.Liddick, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, M.Bolla, L.Cartegni, H.L.Crawford, I.G.Darby, R.Grzywacz, S.Ilyushkin, N.Larson, M.Madurga, D.Miller, S.Padgett, S.Paulauskas, M.M.Rajabali, K.Rykaczewski, S.Suchyta Low-energy structure of 2766Co39 and 2768Co41 populated through β decay RADIOACTIVITY 66,68Fe(β-)[from 9Be(86Kr, X), E=130 MeV/nucleon]; measured energy loss, time of flight, Iβ, Eγ, Iγ, γγ-, (recoil)γ-coin, half-life. A1900 Fragment separator and SeGA array at NSCL facility. 66,68Co; deduced levels, J, π, multipolarity, logft, spherical and Nilsson model configurations.
doi: 10.1103/PhysRevC.85.014328
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. 170,171,172,173,174Pt, 172,173Au, 174Hg(α); measured α spectra.
doi: 10.1103/PhysRevC.85.054315
2012PA39 Phys.Rev. C 86, 064318 (2012) D.Pauwels, D.Radulov, W.B.Walters, I.G.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, U.Koster, B.A.Marsh, L.Popescu, M.D.Seliverstov, A.M.Sjodin, P.Van den Bergh, J.Van de Walle, P.Van Duppen, M.Venhart, K.Wimmer Gamow-Teller decay population of 64Ni levels in the decay of 1+ 64Co RADIOACTIVITY 64Co(β-)[from U(p, F), E=1.4 GeV]; measured Eγ, Iγ, γγ-coin, Eβ using RILIS laser system and MINIBALL γ-detector clusters at CERN-ISOLDE facility. 64Ni; deduced levels, J, π, Iβ, logft, configurations, possible proton-intruder levels. 64Mn(β-n); measured Eγ, Iγ; deduced beta-delayed neutron probability Pn. Comparison with previous experimental studies. 63,64Fe, 64Ga, 128mIn(β-); observed Eγ.
doi: 10.1103/PhysRevC.86.064318
2012RA10 Phys.Rev. C 85, 034326 (2012) M.M.Rajabali, R.Grzywacz, S.N.Liddick, C.Mazzocchi, J.C.Batchelder, T.Baumann, C.R.Bingham, I.G.Darby, T.N.Ginter, S.V.Ilyushkin, M.Karny, W.Krolas, P.F.Mantica, K.Miernik, M.Pfutzner, K.P.Rykaczewski, D.Weisshaar, J.A.Winger β decay of 71, 73Co: Probing single-particle states approaching doubly magic 78Ni RADIOACTIVITY 71,73Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, Eβ, Iβ, γγ-, βγ-, (implant ions)βγ-coin, half-lives, β-delayed neutron probability. SeGA array. 71,73Ni; deduced levels, J, π, logft values, isomer, three-particle cluster states. Comparisons with shell-model calculations, and with 69Co to 69Ni decay scheme. NUCLEAR STRUCTURE 69,71,73,75,77Ni; calculated levels, J, π, and configuration amplitudes using shell model with NR78 interaction. Three-nucleon/hole cluster effect.
doi: 10.1103/PhysRevC.85.034326
2012TH13 Phys.Rev. C 86, 064315 (2012) A.Thornthwaite, D.O'Donnell, R.D.Page, D.T.Joss, C.Scholey, L.Bianco, L.Capponi, R.J.Carroll, I.G.Darby, L.Donosa, M.C.Drummond, F.Ertugral, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.Lopez-Martens, K.Mullholland, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, J.Simpson, J.Sorri, J.Uusitalo Characterizing the atomic mass surface beyond the proton drip line via α-decay measurements of the πs1/2 ground state of 165Re and the πh11/2 isomer in 161Ta RADIOACTIVITY 173Au, 169Ir, 165Re, 161Ta(α)[from 92Mo(84Sr, X), E=392 MeV]; measured Eα, Eγ, Iγ, (recoils)α-, γγ-coin, αγ-delayed coin, branching ratio, half-lives using RITU separator, EUROGAM Phase-1 type Ge detectors, GREAT spectrometer at Jyvaskyla; deduced h11/2 isomers, reduced widths, δ2, hindrance factors, Q(α). NUCLEAR REACTIONS 92Mo(84Sr, X)173Au, E=392, 400 MeV; measured Eγ, Iγ, αγ-, γγ-coin; deduced prompt γ. No level scheme deduced for 173Au. ATOMIC MASSES 149Ho, 153Tm, 157Lu, 161Ta, 165Re, 169Ir; deduced mass excesses and compared with AME-2012 evaluation.
doi: 10.1103/PhysRevC.86.064315
2011CO01 Phys.Rev.Lett. 106, 052503 (2011) T.E.Cocolios, W.Dexters, M.D.Seliverstov, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy, M.Bender, P.-H.Heenen Early Onset of Ground State Deformation in Neutron Deficient Polonium Isotopes NUCLEAR REACTIONS U(p, X)192Po/194Po/196Po/198Po/200Po/202Po/204Po/206Po/208Po/210Po/216Po/218Po, E=1.4 GeV; measured reaction products, Ee, Ie, Eα, Iα; deduced isotope shifts, mean-square charge radii. Comparison with systematics and FRDM calculations.
doi: 10.1103/PhysRevLett.106.052503
2011DA01 Phys.Lett. B 695, 78 (2011) I.G.Darby, R.D.Page, D.T.Joss, J.Simpson, L.Bianco, R.J.Cooper, S.Eeckhaudt, S.Erturk, B.Gall, T.Grahn, P.T.Greenlees, B.Hadinia, P.M.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, P.Rahkila, J.Saren, C.Scholey, A.N.Steer, J.Uusitalo, M.Venhart Decay of the high-spin isomer in 160Re: Changing single-particle structure beyond the proton drip line RADIOACTIVITY 160Re(IT) [from 106Cd(58Ni, X), E=290, 300 MeV]; measured Eγ, Iγ, γγ and αγ-coin.; deduced a new high-spin isomeric state, T1/2. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2010.10.052
2011DA12 Phys.Rev. C 83, 064320 (2011) I.G.Darby, R.D.Page, D.T.Joss, L.Bianco, T.Grahn, D.S.Judson, J.Simpson, S.Eeckhaudt, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, P.Rahkila, J.Saren, C.Scholey, A.N.Steer, J.Uusitalo, M.Venhart, S.Erturk, B.Gall, B.Hadinia Precision measurements of proton emission from the ground states of 156Ta and 160Re RADIOACTIVITY 160Re(p), (α)[from 106Cd(58Ni, X), E=290, 300 MeV]; 156Ta(p), (β+)[from 160Re α decay]; 159W(α)[from 160Re p decay]; 156Hf(α)[from 156Ta β+ decay]; measured E(p), I(p), Eα, Iα, Eγ, half-lives using GREAT spectrometer; deduced branching ratios for proton, α and β decay modes, spectroscopic factors. 156Ta, 160Re; deduced J, π for ground states.
doi: 10.1103/PhysRevC.83.064320
2011HA25 Phys.Rev. C 83, 064307 (2011) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, A.Aguilar, M.P.Carpenter, C.J.Chiara, P.Chowdhury, I.G.Darby, U.Garg, Q.A.Ijaz, F.G.Kondev, S.Lakshmi, T.Lauritsen, A.Ludington, W.C.Ma, E.A.McCutchan, S.Mukhopadhyay, R.Pifer, E.P.Seyfried, U.Shirwadkar, I.Stefanescu, S.K.Tandel, J.R.Vanhoy, S.Zhu, S.Frauendorf Rotational structures and the wobbling mode in 167Ta NUCLEAR REACTIONS 120Sn(51V, 4n), E=235 MeV; measured Eγ, Iγ, γγ-coin γγ(θ) using Gammasphere array. 167Ta; deduced levels, J, π, multipolarity, B(M1)/B(E2), rotational bands, alignments, band crossing frequencies, band configurations. Comparison with particle-rotor model calculations, and trends in the wobbling phonon energies in 161,163,165,167Lu, and 167Ta.
doi: 10.1103/PhysRevC.83.064307
2011IL01 Phys.Rev. C 83, 014322 (2011) S.V.Ilyushkin, J.A.Winger, K.P.Rykaczewski, C.J.Gross, J.C.Batchelder, L.Cartegni, I.G.Darby, R.Grzywacz, J.H.Hamilton, A.Korgul, W.Krolas, S.N.Liddick, C.Mazzocchi, T.Mendez, S.Padgett, M.M.Rajabali, D.Shapira, D.W.Stracener, E.F.Zganjar β-decay studies of the transitional nucleus 75Cu and the structure of 75Zn RADIOACTIVITY 75Cu(β-)[from U(p, X), E not given]; measured Eγ, Iγ, βγ-, γγ-coin, half-life at the LeRIBSS. 75Zn; deduced levels, Jπ, isomer, logft configurations. Level systematics of odd-A Cu(A=69-77), Zn(A=67-77), Ge(A=69-79), and N=45(Ge, Se, Kr, Sr) nuclei.
doi: 10.1103/PhysRevC.83.014322
2011LI50 Phys.Rev. C 84, 061305 (2011) S.N.Liddick, S.Suchyta, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, M.Bolla, M.P.Carpenter, L.Cartegni, C.J.Chiara, H.L.Crawford, I.G.Darby, R.Grzywacz, G.Gurdal, S.Ilyushkin, N.Larson, M.Madurga, E.A.McCutchan, D.Miller, S.Padgett, S.V.Paulauskas, J.Pereira, M.M.Rajabali, K.Rykaczewski, S.Vinnikova, W.B.Walters, S.Zhu Shape coexistence along N=40 RADIOACTIVITY 64,66Mn(IT)[from 9Be(76Ge, X), E=140 MeV/nucleon]; 64,66Cr(β-)[from 9Be(86Kr, X), E=130 MeV/nucleon]; measured Eγ, Iγ, (fragment)βγ-, γγ-coin, γ(t), half-lives. 64,66Mn; deduced levels, J, π, beta feedings, log ft, configurations.
doi: 10.1103/PhysRevC.84.061305
2011MU19 Phys.Rev. C 84, 054320 (2011) M.Mustafa, J.Ollier, J.Simpson, M.A.Riley, E.S.Paul, X.Wang, A.Aguilar, M.P.Carpenter, I.G.Darby, D.J.Hartley, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, P.J.Nolan, M.Petri, J.M.Rees, J.P.Revill, S.V.Rigby, C.Teal, J.Thomson, C.Unsworth, S.Zhu, B.G.Carlsson, H.L.Ma, T.Mufti, I.Ragnarsson Diverse collective excitations in 159Er up to high spin NUCLEAR REACTIONS 116Cd(48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using Gammasphere array. 159Er; deduced levels, J, π, multipolarities, bands, triaxial SD band, configurations, alignment plots, band termination, oblate structures, unpaired band crossings; calculated potential energy surfaces. Comparison with cranked Nilsson-Strutinsky (CNS) calculations. systematics of γ-vibrational states in N=88-94 Er nuclei.
doi: 10.1103/PhysRevC.84.054320
2011OL02 Phys.Rev. C 83, 044309 (2011) J.Ollier, J.Simpson, M.A.Riley, E.S.Paul, X.Wang, A.Aguilar, M.P.Carpenter, I.G.Darby, D.J.Hartley, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, P.J.Nolan, M.Petri, J.M.Rees, S.V.Rigby, C.Teal, J.Thomson, C.Unsworth, S.Zhu, A.Kardan, I.Ragnarsson Structure changes in 160Er from low to ultrahigh spin NUCLEAR REACTIONS 116Cd(48Ca, 4n), E=215 MeV; measured Eγ, Iγ, γγ-coin, angular distributions using Gammasphere Spectrometer. 160Er; deduced levels, J, π, rotational bands, triaxial strongly-deformed (TSD) bands, multipolarity, configurations, angular momentum alignments, B(M1)/B(E2) ratios, potential energy surfaces, dynamic moment of inertia plots, ultra-high spin regime. Comparison with cranked Nilsson-Strutinsky (CNS) calculations.
doi: 10.1103/PhysRevC.83.044309
2011OL03 Phys.Rev. C 84, 027302 (2011) J.Ollier, J.Simpson, M.A.Riley, E.S.Paul, X.Wang, A.Aguilar, M.P.Carpenter, I.G.Darby, D.J.Hartley, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, P.J.Nolan, M.Petri, S.V.Rigby, C.Teal, J.Thomson, C.Unsworth, S.Zhu High-spin yrast structure of 159Ho NUCLEAR REACTIONS 116Cd(48Ca, 4np), E=215 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array and ATLAS facility at ANL. 159Ho; deduced levels, J, π, rotational bands, configurations, alignments, signature splitting. Comparison with systematics of signature splittings in N=92 isotones 155Eu, 157Tb, 159Ho, 161Tm, 163Lu, 165Ta; and alignments in 160Er, 155,157,159,161,163,165Ho.
doi: 10.1103/PhysRevC.84.027302
2011PO01 Phys.Rev. C 83, 014306 (2011) M.Pomorski, K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, C.R.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz β-delayed proton emission branches in 43Cr RADIOACTIVITY 43Cr(β+), 43Cr(β+p), 43Cr(β+2p), 43Cr(β+3p); measured Ep, Ip, branching ratio for different decay modes, half-life. No evidence found for delayed 3-proton decay mode.
doi: 10.1103/PhysRevC.83.014306
2010BI03 Phys.Lett. B 690, 15 (2010) L.Bianco, R.D.Page, I.G.Darby, D.T.Joss, J.Simpson, J.S.Al-Khalili, A.J.Cannon, B.Cederwall, S.Eeckhaudt, S.Erturk, B.Gall, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, K.Heyde, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, E.S.Paul, M.Petri, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, N.A.Smirnova, A.N.Steer, P.D.Stevenson, E.B.Suckling, J.Thomson, J.Uusitalo, M.Venhart Discovery of 157W and 161Os NUCLEAR REACTIONS 106Cd(58Ni, 3n), E=290, 310 MeV; measured reaction products; deduced α spectra, α-branching, T1/2, fine structure, ground state J, π. RADIOACTIVITY 161Os(α), 157W(β+); measured decay products; deduced T1/2, β-branching. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2010.04.056
2010CO13 J.Phys.(London) G37, 125103 (2010) T.E.Cocolios, A.N.Andreyev, S.Antalic, A.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.Zemlyanoy Structure of 191Pb from α- and β-decay spectroscopy RADIOACTIVITY 191,193Bi(EC), 195Po(α); measured Eα, Iα, Eγ, Iγ; deduced branching ratios, α-decay fine structures, γ-ray energies and intensities, J, π, ICC. COMPILATION 191,193,195,197,199,201,203,205,207Pb; compiled experimental nuclear structure data.
doi: 10.1088/0954-3899/37/12/125103
2010DA17 Phys.Rev.Lett. 105, 162502 (2010) I.G.Darby, R.K.Grzywacz, J.C.Batchelder, C.R.Bingham, L.Cartegni, C.J.Gross, M.Hjorth-Jensen, D.T.Joss, S.N.Liddick, W.Nazarewicz, S.Padgett, R.D.Page, T.Papenbrock, M.M.Rajabali, J.Rotureau, K.P.Rykaczewski Orbital Dependent Nucleonic Pairing in the Lightest Known Isotopes of Tin RADIOACTIVITY 109Xe, 105Te(α); measured Iα, Eα, Iγ, Iγ; deduced J, π for ground and first excited states in 101Sn, ground state spin inversion, strong pairing interaction. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.105.162502
2010HA26 Phys.Rev. C 82, 057302 (2010) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, A.Aguilar, M.P.Carpenter, C.J.Chiara, P.Chowdhury, I.G.Darby, U.Garg, Q.A.Ijaz, F.G.Kondev, S.Lakshmi, T.Lauritsen, W.C.Ma, E.A.McCutchan, S.Mukhopadhyay, E.P.Seyfried, U.Shirwadkar, I.Stefanescu, S.K.Tandel, J.R.Vanhoy, S.Zhu Band crossings in 166Ta NUCLEAR REACTIONS 120Sn(51V, 5n), E=235 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 166Ta; deduced levels, J, π, rotational bands, alignments and B(M1)/B(E2) ratios. Comparison of alignments with those in 165Hf bands. Comparison with theoretical B(M1)/B(E2) ratios.
doi: 10.1103/PhysRevC.82.057302
2010PA33 Phys.Rev. C 82, 064314 (2010); Erratum Phys.Rev. C 83, 019903 (2011) S.Padgett, M.Madurga, R.Grzywacz, I.G.Darby, S.N.Liddick, S.V.Paulauskas, L.Cartegni, C.R.Bingham, C.J.Gross, K.Rykaczewski, D.Shapira, D.W.Stracener, A.J.Mendez, II, J.A.Winger, S.V.Ilyushkin, A.Korgul, W.Krolas, E.Zganjar, C.Mazzocchi, S.Liu, J.H.Hamilton, J.C.Batchelder, M.M.Rajabali β decay of 81Zn and migrations of states observed near the N=50 closed shell RADIOACTIVITY 81Zn(β-), (β-n)[from U(p, X), E not given]; measured Eγ, Iγ, βγ-, γγ-coin, parent half-life, delayed-neutron branching ratio. 81Ga; deduced levels, J, π, logft. Comparison with shell-model calculations. Systematics of level energies in N=51, Z=28-42(even) and core-excited states and B(GT) distributions in N=50, Z=31, 33, 35 nuclei. Strengthening of the N=40 subshell gap near 78Ni. 79Ni(β-); predicted decay properties from systematics of neighboring nuclides.
doi: 10.1103/PhysRevC.82.064314
2010SC02 Phys.Rev. C 81, 014306 (2010) C.Scholey, K.Andgren, L.Bianco, B.Cederwall, I.G.Darby, S.Eeckhaudt, S.Erturk, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, E.Ideguchi, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, P.Nieminen, M.Niikura, M.Nyman, D.O'Donnell, R.D.Page, J.Pakarinen, P.Rahkila, J.Saren, M.Sandzelius, J.Simpson, J.Sorri, J.Thomson, J.Uusitalo, M.Venhart Isomeric and ground-state properties of 78171Pt, 76167Os, and 74163W NUCLEAR REACTIONS 106Cd(60Ni, n2p)163W, E=270 MeV; 92Mo(78Kr, nα2p)163W, E=380 MeV; 92Mo(78Kr, n2p)167Os, E=357, 365 MeV; 96Ru(78Kr, n2p)171Pt, E=348 MeV; measured Eγ, Iγ, γγ-coin using the JUROGAM array, conversion electrons, σ; deduced multipolarities, internal conversion coefficients. 163W, 167Os, 171Pt; deduced levels, J, π, half-lives. RADIOACTIVITY 162,163W, 163,165Re, 165,166,167Os, 169,171Ir, 171,172Pt, 172Au(α); measured Eα, Iα; deduced half-lives. 171Pt(α); measured branching ratio.
doi: 10.1103/PhysRevC.81.014306
2010TH01 Phys.Rev. C 81, 014307 (2010) J.Thomson, D.T.Joss, E.S.Paul, C.Scholey, J.Simpson, S.Erturk, L.Bianco, B.Cederwall, I.G.Darby, S.Eeckhaudt, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, D.O'Donnell, R.D.Page, J.Pakarinen, P.Rahkila, N.Rowley, M.Sandzelius, P.J.Sapple, J.Saren, J.Sorri, J.Uusitalo Competing quasiparticle configurations in 163W NUCLEAR REACTIONS 106Cd(60Ni, n2p), E=270 MeV; measured Eγ, Iγ, γγ-coin using the JUROGAM array, DCO ratios. 163W; deduced levels, J, π, bands, multipolarities, configurations. Comparisons with cranked Woods-Saxon shell-model calculations.
doi: 10.1103/PhysRevC.81.014307
2010WA36 Phys.Rev. C 82, 034315 (2010) X.Wang, D.J.Hartley, M.A.Riley, L.L.Riedinger, A.Aguilar, M.P.Carpenter, C.J.Chiara, P.Chowdhury, I.Darby, U.Garg, Q.Ijaz, R.V.F.Janssens, F.G.Kondev, S.Lakshmi, T.Lauritsen, W.C.Ma, E.A.McCutchan, S.Mukhopadhyay, E.P.Seyfried, I.Stefanescu, S.K.Tandel, U.S.Tandel, C.Teal, J.R.Vanhoy, S.Zhu Multi-quasiparticle structures up to spin ∼ 44h in the odd-odd nucleus 168Ta NUCLEAR REACTIONS 120Sn(51V, 3n), E=235 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array. 168Ta, deduced levels, J, π, B(M1)/B(E2) values, energy staggerings of signature partners, alignments, two-quasiparticle bands, configurations. Comparisons with cranked shell model calculations, and with band structures of 162,164,166Tm, 164,166,169Lu, 167Hf and 166,167,170Ta.
doi: 10.1103/PhysRevC.82.034315
2009GR06 Acta Phys.Pol. B40, 447 (2009) C.J.Gross, J.A.Winger, S.V.Ilyushkin, K.P.Rykaczewski, S.N.Liddick, I.G.Darby, R.K.Grzywacz, C.R.Bingham, D.Shapira, C.Mazzocchi, S.Padgett, M.M.Rajabali, L.Cartegni, E.F.Zganjar, A.Piechaczek, J.C.Batchelder, J.H.Hamilton, C.T.Goodin, A.Korgul, W.Krolas Decay Spectroscopy of 75-79Cu, 79-81Zn and 83-85Ga RADIOACTIVITY 75,76,77,78,79Cu, 79,80,81Zn, 83,84,85Ga(β-); measured Eγ, Iγ; deduced level scheme, Jπ.
2009GR07 Phys.Lett. B 677, 30 (2009) L.V.Grigorenko, T.D.Wiser, K.Miernik, R.J.Charity, M.Pfutzner, A.Banu, C.R.Bingham, M.Cwiok, I.G.Darby, W.Dominik, J.M.Elson, T.Ginter, R.Grzywacz, Z.Janas, M.Karny, A.Korgul, S.N.Liddick, K.Mercurio, M.Rajabali, K.Rykaczewski, R.Shane, L.G.Sobotka, A.Stolz, L.Trache, R.E.Tribble, A.H.Wuosmaa, M.V.Zhukov Complete correlation studies of two-proton decays: 6Be and 45Fe NUCLEAR REACTIONS 1H(10B, n), E not given; Ni(58Ni, X)45Fe, E=161 MeV/nucleon; measured Ep, Ip, Eα, Iα, product energy and angular correlation distributions in a kinematically complete experiment. Comparison with three-body cluster model. RADIOACTIVITY 6Be, 45Fe(2p); measured energy and angular correlation distributions.
doi: 10.1016/j.physletb.2009.04.085
2009HA33 Phys.Rev. C 80, 041304 (2009); Publishers Note, Phys.Rev. C 80, 059901 (2009) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, A.Aguilar, M.P.Carpenter, C.J.Chiara, P.Chowdhury, I.G.Darby, U.Garg, Q.A.Ijaz, F.G.Kondev, S.Lakshmi, T.Lauritsen, A.Ludington, W.C.Ma, E.A.McCutchan, S.Mukhopadhyay, R.Pifer, E.P.Seyfried, I.Stefanescu, S.K.Tandel, U.Tandel, J.R.Vanhoy, X.Wang, S.Zhu, I.Hamamoto, S.Frauendorf Wobbling mode in 167Ta NUCLEAR REACTIONS 120Sn(51V, 4n), E=235 MeV; measured Eγ, Iγ, γγ-coin and γγ(θ) using Gammasphere array. 167Ta; deduced levels, J, π, triaxial superdeformed bands, normal deformed bands, dynamic moments of inertia, alignments and rotational frequency. Comparison with ultimate cranked (UC) calculations.
doi: 10.1103/PhysRevC.80.041304
2009HE23 Eur.Phys.J. A 42, 333 (2009) R.-D.Herzberg, S.Moon, S.Eeckhaudt, P.T.Greenlees, P.A.Butler, T.Page, A.V.Afanasjev, N.Amzal, J.E.Bastin, F.Becker, M.Bender, B.Bruyneel, J.F.C.Cocks, I.G.Darby, O.Dorvaux, K.Eskola, J.Gerl, T.Grahn, C.Gray-Jones, N.J.Hammond, K.Hauschild, P.-H.Heenen, K.Helariutta, A.Herzberg, F.Hessberger, M.Houry, A.Hurstel, R.D.Humphreys, G.D.Jones, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, T.L.Khoo, W.Korten, P.Kuusiniemi, Y.LeCoz, M.Leino, A.-P.Leppanen, C.J.Lister, R.Lucas, M.Muikku, P.Nieminen, M.Nyman, R.D.Page, T.Page, J.Pakarinen, A.Pritchard, P.Rahkila, P.Reiter, M.Sandzelius, J.Saren, Ch.Schlegel, C.Scholey, Ch.Theisen, W.H.Trzaska, J.Uusitalo, A.Wiens, H.J.Wollersheim Structure of rotational bands in 253No NUCLEAR REACTIONS 207Pb(48Ca, 2n), E=219 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin with JUROGRAM and RITU; analyzed conversion electron spectra from SACRED detector. 253No; deduced T1/2, J, π, level energies, multipolarities, branching ratios. Comparison with rotational model.
doi: 10.1140/epja/i2009-10855-9
2009IL01 Phys.Rev. C 80, 054304 (2009) S.V.Ilyushkin, J.A.Winger, C.J.Gross, K.P.Rykaczewski, J.C.Batchelder, L.Cartegni, I.G.Darby, C.Goodin, R.Grzywacz, J.H.Hamilton, A.Korgul, W.Krolas, S.N.Liddick, C.Mazzocchi, S.Padgett, A.Piechaczek, M.M.Rajabali, D.Shapira, E.F.Zganjar β decay of the πf5/2 ground state of 77Cu studied with 225 MeV and 0.2 MeV purified radioactive beams RADIOACTIVITY 77Cu(β-), (β-n)[from U(p, X), E not given]; measured Eγ, Iγ, β-spectra, γγ-, βγ-coin, half-lives. Isobarically purified 77Cu beams of 200 keV and 225 MeV obtained at the Holifield Radioactive Ion Beam Facility. 77mZn(IT); measured Eγ, half-life and decay branches. 76,77Zn, 76,77Ga, 77Ge(β-); measured Eγ. 76,77Zn; deduced levels, J, π, and half-life. Comparison with 73Cu to 73Zn decay.
doi: 10.1103/PhysRevC.80.054304
2009KE02 Phys.Rev.Lett. 102, 212501 (2009) S.Ketelhut, P.T.Greenlees, D.Ackermann, S.Antalic, E.Clement, I.G.Darby, O.Dorvaux, A.Drouart, S.Eeckhaudt, B.J.P.Gall, A.Gorgen, T.Grahn, C.Gray-Jones, K.Hauschild, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, G.D.Jones, P.Jones, R.Julin, S.Juutinen, T.-L.Khoo, W.Korten, M.Leino, A.-P.Leppanen, J.Ljungvall, S.Moon, M.Nyman, A.Obertelli, J.Pakarinen, E.Parr, P.Papadakis, P.Peura, J.Piot, A.Pritchard, P.Rahkila, D.Rostron, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, A.Steer, B.Sulignano, Ch.Theisen, J.Uusitalo, M.Venhart, M.Zielinska, M.Bender, P.-H.Heenen γ-Ray Spectroscopy at the Limits: First Observation of Rotational Bands in 255Lr NUCLEAR REACTIONS 209Bi(48Ca, 2n), E=219, 221 MeV; Measured Eγ, Iγ, αγ-coin; Deduced rotational bands; Calculated rotational bands;251Md;255Lr; Compared theoretical and experimental results.
doi: 10.1103/PhysRevLett.102.212501
2009MI29 Eur.Phys.J. A 42, 431 (2009) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, L.Grigorenko, C.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz Two-proton radioactivity of 45Fe NUCLEAR REACTIONS Ni(58Ni, X)45Fe, E=161 MeV/nucleon; measured p-spectra, α-spectra, (recoil)p-coin, recoil energy and angular correlation in a kinematically complete experiment. 45Fe; deduced T1/2, branching ratios. Comparison with three-body model. TOF with Optical Time Projection Chamber. RADIOACTIVITY 45Fe(2p), (β+) [from Ni(58Ni, X), E=161 MeV/nucleon]; 43Cr(β+); measured p-spectra; deduced T1/2, branching ratios.
doi: 10.1140/epja/i2009-10781-x
2009OL09 Phys.Rev. C 80, 064322 (2009) J.Ollier, J.Simpson, X.Wang, M.A.Riley, A.Aguilar, C.Teal, E.S.Paul, P.J.Nolan, M.Petri, S.V.Rigby, J.Thomson, C.Unsworth, M.P.Carpenter, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, S.Zhu, D.J.Hartley, I.G.Darby, I.Ragnarsson Ultrahigh-spin spectroscopy of 159, 160Er: Observation of triaxial strongly deformed structures NUCLEAR REACTIONS 116Cd(48Ca, X), E=215 MeV; measured Eγ, Iγ, γγ using Gammasphere array. 159,160Er; deduced levels, J, π, triaxial strongly deformed (TSD) bands, dynamical moment of inertia plots, and configurations. Calculated potential energy surfaces and single-particle proton and neutron energies (Routhians) with Cranked Nilsson-Strutinsky approach.
doi: 10.1103/PhysRevC.80.064322
2009PA33 Phys.Rev. C 80, 031303 (2009) J.Pakarinen, A.N.Andreyev, R.Julin, S.Juutinen, S.Antalic, L.Bianco, I.G.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, D.G.Jenkins, P.Jones, P.Joshi, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, J.Perkowski, P.M.Raddon, P.Rahkila, D.Rostron, J.Saren, C.Scholey, J.Sorri, B.Streicher, J.Uusitalo, K.Van de Vel, M.Venhart, R.Wadsworth, D.R.Wiseman Evidence for prolate structure in light Pb isotopes from in-beam γ-ray spectroscopy of 185Pb NUCLEAR REACTIONS 106Pd(82Kr, X)185Pb, E=367 MeV; 104Pd(83Kr, X)185Pb, E=362 MeV; measured Eγ, Iγ, αγγ-, (particle)γ-coin, recoil-decay tagging method. 185Pb; deduced levels, J, π, bands, configurations. Comparison with level structure of 181Pt. Level systematics of A=182-197 Pb isotopes. RADIOACTIVITY 181,182,183,184,185Hg, 184,185,186Pb(α); measured Eα.
doi: 10.1103/PhysRevC.80.031303
2009RI05 Acta Phys.Pol. B40, 513 (2009) M.A.Riley, A.Aguilar, A.O.Evans, D.J.Hartley, K.Lagergren, J.Ollier, E.S.Paul, A.Pipidis, J.Simpson, C.Teal, P.J.Twin, X.Wang, D.E.Appelbe, D.B.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, I.G.Darby, P.Fallon, U.Garg, R.V.F.Janssens, D.T.Joss, F.G.Kondev, T.Lauritsen, I.Y.Lee, C.J.Lister, A.O.Macchiavelli, P.J.Nolan, M.Petri, S.V.Rigby, J.Thompson, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson Strongly Deformed Nuclear Shapes at Ultra-High Spin and Shape Coexistence in ∼ 90 Nuclei
2008GR04 Nucl.Phys. A801, 83 (2008) T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo, M.Bender, P.-H.Heenen Lifetimes of intruder states in 186Pb, 188Pb and 194Po NUCLEAR REACTIONS 106,108Pd, 114Cd(83Kr, 3n), E=340, 357, 375 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin and lifetimes for intruder states using the recoil distance Doppler-shift method. 186,188Pb, 194Po; deduced B(E2), quadrupole moment and deformation parameters. JUROGAM array used with RITU, GREAT spectrometer. Recoil-decay tagging.
doi: 10.1016/j.nuclphysa.2008.01.002
2008KO04 Phys.Rev. C 77, 034301 (2008) A.Korgul, K.P.Rykaczewski, C.J.Gross, R.K.Grzywacz, S.N.Liddick, C.Mazzocchi, J.C.Batchelder, C.R.Bingham, I.G.Darby, C.Goodin, J.H.Hamilton, J.K.Hwang, S.V.Ilyushkin, W.Krolas, J.A.Winger Toward 100Sn: Studies of excitation functions for the reaction between 58Ni and 54Fe ions NUCLEAR REACTIONS 54Fe(58Ni, 2n), (58Ni, 3n), (58Ni, 4n), (58Ni, np), (58Ni, 2np), (58Ni, 3np), (58Ni, n2p), (58Ni, 2n2p), E=195-265 MeV; measured σ, reaction yields. Deduced optimum energy for the production of 108Xe.
doi: 10.1103/PhysRevC.77.034301
2008MI03 Acta Phys.Pol. B39, 477 (2008) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, L.Grigorenko, C.Bingham, H.Czyrkowski, M.Cwiok, I.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz Studies of Charged Particle Emission in the Decay of 45Fe RADIOACTIVITY 45Fe(2p), (β+p), (β+2p), (β+3p); measured Ep, Ip, delayed proton angular and energy correlations.
2007AN19 Acta Phys.Pol. B38, 1557 (2007) S.Antalic, A.N.Andreyev, D.Ackermann, L.Bianco, D.Cullen, I.Darby, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, B.Kindler, I.Kojouharov, A.-P.Leppanen, S.R.Lesher, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, R.D.Page, J.Pakarinen, J.J.Ressler, S.Saro, B.Streicher, B.Sulignano, J.Thomson, P.Van Duppen, M.Venhart, D.Wiseman, R.Wyss The New Isotopes in Po-Rn Region NUCLEAR REACTIONS 144Sm(46Ti, 3n)187Po, E=224 MeV; 144Sm(52Cr, X)193,194Rn, E=232, 252 meV; measured Eα. 187Po, 193,194Rn deduced levels.
2007GR27 Eur.Phys.J. Special Topics 150, 121 (2007) T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, H.Kettunen, T.Kroll, R.Krucken, P.Jones, S.Juutinen, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, B.Melon, D.A.Meyer, P.Nieminen, M.Nyman, R.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo Collectivity in neutron-deficient Pb and Po nuclei
doi: 10.1140/epjst/e2007-00282-8
2007LI83 Eur.Phys.J. Special Topics 150, 131 (2007) S.N.Liddick, R.Grzywacz, C.Mazzocchi, R.D.Page, K.P.Rykaczewski, J.C.Batchelder, C.R.Bingham, I.G.Darby, G.Drafta, C.Goodin, C.J.Gross, J.H.Hamilton, A.A.Hecht, J.K.Hwang, S.Ilyushkin, D.T.Joss, A.Korgul, W.Krolas, K.Lagergren, K.Li, M.N.Tantawy, J.Thomson, J.A.Winger Identification of the 109Xe and 105Te α-decay chain RADIOACTIVITY 105Te, 109Xe(α) [from 54Fe(58Ni, 3n), E=220-225 MeV]; measured Eα, Iα. 105Te, 109Xe; deduced Qα.
doi: 10.1140/epjst/e2007-00285-5
2007MI36 Phys.Rev. C 76, 041304 (2007) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, C.R.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz First observation of beta-delayed three-proton emission in 45Fe RADIOACTIVITY 45Fe(2p), (β+), (β+p), (β+2p), (β+3p), (β+4p); measured decay branches, half-lives, partial half-lives.
doi: 10.1103/PhysRevC.76.041304
2007MI40 Phys.Rev.Lett. 99, 192501 (2007) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, L.Grigorenko, C.R.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz Two-Proton Correlations in the Decay of 45Fe RADIOACTIVITY 45Fe(2p) [from Ni(58Ni, X), E=161 MeV/nucleon]; measured proton energies, angular correlations, branching ratio, and half-life.
doi: 10.1103/PhysRevLett.99.192501
2007PA05 Phys.Rev. C 75, 014302 (2007) J.Pakarinen, V.Hellemans, R.Julin, S.Juutinen, K.Heyde, P.-H.Heenen, M.Bender, I.G.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.T.Greenlees, F.Johnston-Theasby, P.Jones, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, P.M.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth Investigation of nuclear collectivity in the neutron mid-shell nucleus 186Pb NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 186Pb deduced levels, J, π, rotational and vibrational bands, deformation. Recoil-decay tagging, interacting boson model and mean-field model calculations.
doi: 10.1103/PhysRevC.75.014302
2007PA27 Phys.Rev. C 75, 061302 (2007) R.D.Page, L.Bianco, I.G.Darby, J.Uusitalo, D.T.Joss, T.Grahn, R.-D.Herzberg, J.Pakarinen, J.Thomson, S.Eeckhaudt, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, P.Rahkila, J.Saren, C.Scholey, A.Steer, M.B.Gomez Hornillos, J.S.Al-Khalili, A.J.Cannon, P.D.Stevenson, S.Erturk, B.Gall, B.Hadinia, M.Venhart, J.Simpson α decay of 159Re and proton emission from 155Ta RADIOACTIVITY 159Re(α) [from 106Cd(58Ni, X)]; 155Ta(p); measured Eα, Iα, Ep, Ip. deduced separation energies.
doi: 10.1103/PhysRevC.75.061302
2007PE32 Phys.Rev. C 76, 054301 (2007) M.Petri, E.S.Paul, B.Cederwall, I.G.Darby, M.R.Dimmock, S.Eeckhaudt, E.Ganioglu, T.Grahn, P.T.Greenlees, B.Hadinia, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, A.Khaplanov, M.Leino, L.Nelson, M.Nyman, R.D.Page, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, R.Wadsworth Nuclear levels in proton-unbound 109I: Relative single-particle energies beyond the proton drip line NUCLEAR REACTIONS 58Ni(54Fe, 2np), E=195 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), multipolarities. 109I; deduced levels, J, π, rotational bands; calculated configurations. JUROGAM array. 106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138Te, 109,111,113,115,117,119,121,123,125,127,129,131I, 110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144Xe, 117,119,121,123,125,127,129Cs; systematics.
doi: 10.1103/PhysRevC.76.054301
2007SA36 Phys.Rev.Lett. 99, 022501 (2007) M.Sandzelius, B.Hadinia, B.Cederwall, K.Andgren, E.Ganioglu, I.G.Darby, M.R.Dimmock, S.Eeckhaudt, T.Grahn, P.T.Greenlees, E.Ideguchi, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, A.Khaplanov, M.Leino, L.Nelson, M.Niikura, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, M.Petri, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, R.Wadsworth, R.Wyss Identification of Excited States in the Tz=1 Nucleus 110Xe: Evidence for Enhanced Collectivity near the N=Z=50 Double Shell Closure NUCLEAR REACTIONS 58Ni(54Fe, X)110Xe, E=195 MeV; measured Eγ, Iγ, γγ-coinc. 110Xe deduced levels and B(E2).
doi: 10.1103/PhysRevLett.99.022501
2007WI11 Eur.Phys.J. A 34, 275 (2007) D.R.Wiseman, A.N.Andreyev, R.D.Page, M.B.Smith, I.G.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo In-beam gamma-ray spectroscopy of 190, 197Po NUCLEAR REACTIONS 144Sm(49Ti, 3n), E=222 MeV; measured Eγ, Iγ, recoil decay tagging, γγ-, αγ-coin. 190,197Po deduced levels, J, π, bands. JUROGAM array used with RITU, GREAT spectrometer. RADIOACTIVITY 190,197Po(α); measured Eα.
doi: 10.1140/epja/i2007-10507-2
2006AN36 Phys.Rev.C 74, 064303 (2006) A.N.Andreyev, S.Antalic, M.Huyse, P.Van Duppen, D.Ackermann, L.Bianco, D.M.Cullen, I.G.Darby, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, I.Kojouharov, B.Kindler, A.-P.Leppanen, B.Lommel, R.Mann, G.Munzenberg, J.Pakarinen, R.D.Page, J.J.Ressler, S.Saro, B.Streicher, B.Sulignano, J.Thomson, R.Wyss α decay of the new isotopes 193, 194Rn RADIOACTIVITY 193,194Rn(α) [from 144Sm(52Cr, xn)]; measured Eα, Iα, T1/2; deduced deformation effects. NUCLEAR REACTIONS 144Sm(52Cr, 2n), (52Cr, 3n), E=231-252 MeV; measured production σ. Velocity filter.
doi: 10.1103/PhysRevC.74.064303
2006GR16 Phys.Rev.Lett. 97, 062501 (2006) T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo Collectivity and Configuration Mixing in 186, 188Pb and 194Po NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=357 MeV; 108Pd(83Kr, 3n), E=340 MeV; 114Cd(83Kr, 3n), E=375 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (recoil)γ-coin. 186,188Pb, 194Po levels deduced T1/2, B(E2), transition quadrupole moments. configuration-mixing features. Jurogam array, recoil decay tagging, recoil-distance Doppler-shift technique.
doi: 10.1103/PhysRevLett.97.062501
2006HE19 Nature(London) 442, 896 (2006) R.D.Herzberg, P.T.Greenlees, P.A.Butler, G.D.Jones, M.Venhart, I.G.Darby, S.Eeckhaudt, K.Eskola, T.Grahn, C.Gray-Jones, F.P.Hessberger, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, W.Korten, M.Leino, A.-P.Leppanen, S.Moon, M.Nyman, R.D.Page, J.Pakarinen, A.Pritchard, P.Rahkila, J.Saren, C.Scholey, A.Steer, Y.Sun, Ch.Theisen, J.Uusitalo Nuclear isomers in superheavy elements as stepping stones towards the island of stability NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=219 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), X-ray spectra. 254No deduced levels, J, π, isomeric states T1/2, configurations. Gas-filled separator, recoil-decay tagging.
doi: 10.1038/nature05069
2006HE25 Phys.Scr. T125, 73 (2006) R.D.Herzberg, P.T.Greenlees, P.A.Butler, G.D.Jones, I.G.Darby, S.Eeckhaudt, T.Grahn, C.Gray-Jones, F.P.Hessberger, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, S.Moon, M.Nyman, R.D.Page, J.Pakarinen, A.Pritchard, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, A.Steer, J.Uusitalo, M.Venhart Isomer spectroscopy in 254No NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=219 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), X-ray spectra, (recoil)γ-coin. 254No deduced isomeric states energies, J, π, T1/2. Recoil-decay tagging.
doi: 10.1088/0031-8949/2006/T125/016
2006JO10 Phys.Lett. B 641, 34 (2006) D.T.Joss, I.G.Darby, R.D.Page, J.Uusitalo, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, A.Steer, A.J.Cannon, P.D.Stevenson, J.S.Al-Khalili, S.Erturk, M.Venhart, B.Gall, B.Hadinia, J.Simpson Probing the limit of nuclear existence: Proton emission from 159Re NUCLEAR REACTIONS 106Cd(58Ni, 4np), E=300 MeV; measured Eα, Iα, Ep, Ip, (recoil)α-coin following residual nucleus decay. Recoil-decay correlation technique. RADIOACTIVITY 159Re(p) [from 106Cd(58Ni, 4np)]; measured Ep, T1/2; deduced ground-state configuration.
doi: 10.1016/j.physletb.2006.08.014
2006LI41 Phys.Rev.Lett. 97, 082501 (2006) S.N.Liddick, R.Grzywacz, C.Mazzocchi, R.D.Page, K.P.Rykaczewski, J.C.Batchelder, C.R.Bingham, I.G.Darby, G.Drafta, C.Goodin, C.J.Gross, J.H.Hamilton, A.A.Hecht, J.K.Hwang, S.Ilyushkin, D.T.Joss, A.Korgul, W.Krolas, K.Lagergren, K.Li, M.N.Tantawy, J.Thomson, J.A.Winger Discovery of 109Xe and 105Te: Superallowed α Decay near Doubly Magic 100Sn RADIOACTIVITY 109Xe, 105Te(α) [from 54Fe(58Ni, 3n) and subsequent decay]; measured Eα, T1/2. 109Xe, 105Te, 101Sn deduced levels, J, π.
doi: 10.1103/PhysRevLett.97.082501
2006ST14 Nucl.Instrum.Methods Phys.Res. A565, 630 (2006) A.N.Steer, D.G.Jenkins, R.Glover, B.S.Nara Singh, N.S.Pattabiraman, R.Wadsworth, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, M.Leino, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, P.A.Butler, I.G.Darby, R.-D.Herzberg, D.T.Joss, R.D.Page, J.Thomson, R.Lemmon, J.Simpson, B.Blank Recoil-beta tagging: A novel technique for studying proton-drip-line nuclei NUCLEAR REACTIONS 40Ca(36Ar, np), E=103 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 74Rb deduced transitions. Recoil-beta tagging, mass separator. RADIOACTIVITY 74Rb(β+) [from 40Ca(36Ar, np)]; measured Eβ.
doi: 10.1016/j.nima.2006.06.034
2005AN17 Phys.Rev. C 72, 014612 (2005) A.N.Andreyev, D.Ackermann, S.Antalic, I.G.Darby, S.Franchoo, F.P.Hessberger, S.Hofmann, M.Huyse, P.Kuusiniemi, B.Lommel, B.Kindler, R.Mann, G.Munzenberg, R.D.Page, S.Saro, B.Sulignano, B.Streicher, K.Van de Vel, P.Van Duppen, D.R.Wiseman Cross section systematics for the lightest Bi and Po nuclei produced in complete fusion reactions with heavy ions NUCLEAR REACTIONS 142Nd(52Cr, 3n), (52Cr, 4n), (52Cr, 5n), (52Cr, 6n), (52Cr, np), (52Cr, 2np), (52Cr, 3np), (52Cr, 4np), (52Cr, 5np), (52Cr, 6np), E=220-310 MeV; 142Nd(50Cr, 3n), (50Cr, 4n), (50Cr, 2np), (50Cr, 3np), (50Cr, 4np), (50Cr, 5np), E=230-285 MeV; 92Mo(98Mo, 2np), (98Mo, 3np), E=427-460 MeV; 93Nb(95Mo, n), (95Mo, 2n), (95Mo, 3n), (95Mo, p), (95Mo, np), (95Mo, 2np), (95Mo, 3np), (95Mo, 4np), E=375-456 MeV; 93Nb(94Mo, 2n), (94Mo, 3n), (94Mo, np), (94Mo, 2np), (94Mo, 3np), E=405-450 MeV; 144Sm(46Ti, 3n), (46Ti, 4n), E=202-242 MeV; measured σ. Velocity filter, comparison with statistical model predictions.
doi: 10.1103/PhysRevC.72.014612
2005HA57 Phys.Rev. C 72, 041303 (2005) B.Hadinia, B.Cederwall, J.Blomqvist, E.Ganioglu, P.T.Greenlees, K.Andgren, I.G.Darby, S.Eeckhaudt, E.Ideguchi, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, K.Lagergren, A.-P.Leppanen, M.Leino, M.Nyman, J.Pakarinen, E.S.Paul, M.Petri, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo, R.Wadsworth, R.Wyss First identification of excited states in 106Te and evidence for isoscalar-enhanced vibrational collectivity NUCLEAR REACTIONS 54Fe(54Fe, 2n), E=182 MeV; measured Eγ, Iγ, (recoil)γ-coin; deduced σ. 106Te deduced levels, possible vibrational excitation. Recoil-decay tagging, level systematics in Te isotopes discussed. RADIOACTIVITY 106Te(α) [from 54Fe(54Fe, 2n)]; measured Eα, T1/2.
doi: 10.1103/PhysRevC.72.041303
2005PA42 Phys.Rev. C 72, 011304 (2005) J.Pakarinen, I.G.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.T.Greenlees, V.Hellemans, K.Heyde, F.Johnston-Theasby, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, P.M.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth Evidence for oblate structure in 186Pb NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 186Pb deduced levels, J, π, oblate deformation. Jurogam array, recoil-decay tagging, interacting boson model calculations.
doi: 10.1103/PhysRevC.72.011304
2005PA69 Eur.Phys.J. A 25, Supplement 1, 449 (2005) J.Pakarinen, I.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.Greenlees, F.Johnston-Theasby, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.Page, P.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth Probing the three shapes in 186Pb using in-beam γ-ray spectroscopy NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin; deduced production σ. 186Pb deduced levels, J, π, deformation. Jurogam array, recoil-decay tagging.
doi: 10.1140/epjad/i2005-06-058-4
2005SC22 J.Phys.(London) G31, S1719 (2005) C.Scholey, M.Sandzelius, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, J.Perkowski, J.Pakarinen, P.Rahkila, P.M.Rahkila, J.Uusitalo, K.Van de Vel, B.Cederwall, B.Hadinia, K.Lagergren, D.T.Joss, D.E.Appelbe, C.J.Barton, J.Simpson, D.D.Warner, I.G.Darby, R.D.Page, E.S.Paul, D.Wiseman In-beam and decay spectroscopy of very neutron deficient iridium nuclei NUCLEAR REACTIONS 92Mo(78Kr, 2np), E=360 MeV; 112Sn(58Ni, p), E=266 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 167,169Ir deduced transitions. Recoil-decay tagging, Jurogam array. RADIOACTIVITY 167,167m,169,169mIr, 165,165mRe, 161Ta(α) [from 92Mo(78Kr, 2np) and 112Sn(58Ni, p) and subsequent decay]; measured Eα, Eγ, αγ-coin, T1/2; deduced spectroscopic factors. 167,167mIr(p) [from 112Sn(58Ni, 2np)]; measured Ep, T1/2; deduced spectroscopic factors. Jurogam array, mass separator.
doi: 10.1088/0954-3899/31/10/061
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