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NSR database version of April 11, 2024.

Search: Author = J.K.Hwang

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2023BR07      Nucl.Phys. A1039, 122738 (2023)

N.T.Brewer, E.H.Wang, W.A.Yzaguirre, J.H.Hamilton, K.Nomura, A.V.Ramayya, S.H.Liu, J.K.Hwang, B.M.Musangu, J.M.Eldridge, C.J.Zachary, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, C.Goodin, G.M.Ter-Akopian, A.V.Daniel, Yu.Ts.Oganessian

Octupole deformation in 143, 145, 146Ba

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 143,145,146Ba; deduced γ-ray energies and relative intensities, partial level scheme, angular correlations, octupole bands, J, π, B(E1)/B(E2). Comparison with IBM and IBFM calculations.

doi: 10.1016/j.nuclphysa.2023.122738
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2021LU08      Int.J.Mod.Phys. E30, 2150037 (2021)

Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, E.H.Wang, S.Frauendorf, W.Y.Liang, C.F.Jiao, Q.Wu, H.L.Liu, F.R.Xu, Y.X.Liu, Y.Sun, J.K.Hwang, S.H.Liu, S.J.Zhu, N.T.Brewer, I.Y.Lee, G.M.Ter-Akopian, Yu.Oganessian, A.V.Daniel, R.Donangelo, W.C.Ma

First observation of collective rotational bands in neutron-rich 142La and the study of octupole/triaxial deformations in 142, 143La

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-g.-coin. 142,143La; deduced γ-ray energies and intensities, J, π, yrast band, octupole deformation parameter. TRS model calculations.

doi: 10.1142/S0218301321500373
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2021WA19      Phys.Rev. C 103, 034301 (2021)

E.H.Wang, J.H.Hamilton, A.V.Ramayya, C.J.Zachary, A.Lemasson, A.Navin, M.Rejmund, S.Bhattacharyya, Q.B.Chen, S.Q.Zhang, J.M.Eldridge, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot

Pseudospin-doublet bands and Gallagher Moszkowski doublet bands in 100Y

RADIOACTIVITY 252Cf(SF); measured Eγ, γγγ-, and γγγγ-coin using Gammasphere array at LBNL. 100Y; deduced levels, J, π, bands, configurations.

NUCLEAR REACTIONS 9Be(238U, F)100Y, E=6.2 MeV/nucleon; measured Eγ, γγ-coin, A- and Z-gated γ spectra using VAMOS++ spectrometer and EXOGAM array at GANIL facility. 100Y; deduced high-spin levels, J, π, rotational bands, B(M1)/B(E2), configurations, moments of inertia plots. Comparison with particle-rotor model calculations.

NUCLEAR STRUCTURE 100Y; calculated potential-energy surface in the (β2, γ) plane, levels, J, π, bands, in-band B(M1), B(E2), B(M1)/B(E2), rms components of the angular momentum versus spin. Constrained triaxial covariant density-functional theory (CDFT) and quantal particle rotor model (PRM) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.034301
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2021WA42      Nucl.Phys. A1015, 122281 (2021)

E.H.Wang, N.T.Brewer, J.H.Hamilton, A.V.Ramayya, W.A.Yzaguirre, J.K.Hwang, S.H.Liu, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian

Coexistence of octupole deformation and beta and gamma vibrational bands in 148Ce

RADIOACTIVITY 252Cf(SF); measured reaction products, Eγ, Iγ. 148Ce; deduced γ-ray energies and intensities, J, π, high-spin states, vibrartional bands, mixing ratios.

doi: 10.1016/j.nuclphysa.2021.122281
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2018BH07      Phys.Rev. C 98, 044316 (2018)

S.Bhattacharyya, E.H.Wang, A.Navin, M.Rejmund, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, A.Lemasson, A.V.Afanasjev, S.Bhattacharya, J.Ranger, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot, Y.X.Luo, Yu.Ts.Oganessian, J.O.Rasmussen, G.M.Ter-Akopian, S.J.Zhu

Deformed band structures in neutron-rich 152-158Pm isotopes

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured fission fragments, time of flight, Eγ, Iγ, γγ- and (fragment)γ-coin using the VAMOS++ magnetic spectrometer for fragment separation and the EXOGAM segmented Clover array for γ detection at GANIL. 152,153,154,155,156,157,158Pm; deduced high-spin levels, J, π, bands, alignment and staggering plots. 151Pm; measured γ spectrum in coincidence with fission fragments. Systematics of band structures in 151,153,155,157Pm. Comparison with previous experimental values and cranked Hartree-Bogoliubov calculations.

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γ(θ), high-fold γγ-coin using Gammasphere array with 101 HPGe detectors at LBNL. 152,153,154,155,156,157,158Pm; deduced high-spin levels, bands.

doi: 10.1103/PhysRevC.98.044316
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2018WA19      Int.J.Mod.Phys. E27, 1850051 (2018)

E.H.Wang, J.H.Hamilton, A.V.Ramayya, R.Han, C.J.Zachary, J.M.Eldridge, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian

New levels in spherical 96Y

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 96Y; deduced γ-ray energies, J, π. Comparison with NUSHELLX code calculations.

doi: 10.1142/S0218301318500519
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2017FR03      Int.J.Mod.Phys. E26, 1750030 (2017)

H.Fryman-Sinkhorn, E.H.Wang, C.J.Zachary, J.H.Hamilton, A.V.Ramayya, G.H.Bhat, J.A.Sheikh, R.N.Ali, A.A.Wani, A.C.Dai, W.Y.Liang, F.R.Xu, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian

Possible very anharmonic one- and two-phonon γ-vibrational bands in 103Mo

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-γ-coin. 103Mo; deduced γ-ray energies and intensities, J, π, γ-vibrational bands. Comparison with potential energy surface calculations.

doi: 10.1142/S0218301317500306
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2017MA54      Phys.Rev. C 96, 034319 (2017), Erratum Phys.Rev. C 102, 029902 (2020)

J.Marcellino, E.H.Wang, C.J.Zachary, J.H.Hamilton, A.V.Ramayya, G.H.Bhat, J.A.Sheikh, A.C.Dai, W.Y.Liang, F.R.Xu, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian

One- and two-phonon γ-vibrational bands in neutron-rich 107Mo

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array at LBNL, Berkeley. 107Mo; deduced levels, J, π, rotational and quasiparticle bands, triaxial deformation, configurations; calculated deformation from potential energy surface (PES) plot. Comparison with projected shell model calculations, and with systematics of levels in 103,104,105,106,107,108Mo.

doi: 10.1103/PhysRevC.96.034319
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2017WA19      Phys.Rev. C 95, 064311 (2017); Erratum Phys.Rev. C 109, 019902 (2024)

E.H.Wang, J.H.Hamilton, A.V.Ramayya, Y.X.Liu, H.J.Li, A.C.Dai, W.Y.Liang, F.R.Xu, J.K.Hwang, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, Y.Sun, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian

Oblate deformation in neutron-rich 118, 119Ag

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array of 101 Ge detectors at LBNL-Berkeley. 118,119Ag; deduced high-spin levels, J, π, multipolarities, bands, configurations. Total Routhian surface and projected shell model calculation. Systematics of 7/2+ bands in 115,117,119Ag. Systematics of energy levels and staggering in negative-parity bands in A=104-118, odd-odd Ag isotopes.

doi: 110.1103/PhysRevC.95.064311
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2017WA50      Eur.Phys.J. A 53, 234 (2017)

E.H.Wang, W.Lewis, C.J.Zachary, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian

New levels and reinvestigation of octupole correlations in 146, 147La

RADIOACTIVITY 252Cf(SF); 146,147La; measured fragments Eγ, Iγ, γγ-coin, triple and fourfold γ-coin using Gammasphere; deduced γ transitions, levels, J, π, T1/2, 3+ bands, angular momentum vs energy in different bands, B(E1)/B(E2) ratio, electron dipole strength of selected states. Bands in La compared with those in 143Cs.

doi: 10.1140/epja/i2017-12409-0
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2016AL10      Phys.Rev. C 93, 044325 (2016)

M.F.Alshudifat, R.Grzywacz, M.Madurga, C.J.Gross, K.P.Rykaczewski, J.C.Batchelder, C.Bingham, I.N.Borzov, N.T.Brewer, L.Cartegni, A.Fijalkowska, J.H.Hamilton, J.K.Hwang, S.V.Ilyushkin, C.Jost, M.Karny, A.Korgul, W.Krolas, S.H.Liu, C.Mazzocchi, A.J.Mendez, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, A.V.Ramayya, D.W.Stracener, R.Surman, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar

Reexamining Gamow-Teller decays near 78Ni

RADIOACTIVITY 82,83Zn, 82,83Ga(β-), (β-n)[from 238U(p, F), E=50 MeV]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin, half-lives of decay of 82,83Zn, 83Ga, β-delayed neutron branching ratio Pn for 82Zn decay at HRIBF-ORNL facility. 81,82,83Ga, 81,82Ge; deduced levels, J, π, beta feedings, logft. Comparison of level spectra with shell-model calculations, and with previous experimental results. 82,83Zn, 82,83Ga(β-); calculated B(GT) strengths using shell-model with NUSHELLX computer code.

doi: 10.1103/PhysRevC.93.044325
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2016HU16      Int.J.Mod.Phys. E25, 1650064 (2016)

Y.Huang, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, E.H.Wang, Y.X.Liu, Y.Sun, J.K.Hwang, Z.G.Xiao, H.J.Li, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, Yu.Ts.Oganessian

Reinvestigation of two-phonon γ-vibrational band in neutron-rich 114Pd

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ.Iγ. 114Pd; deduced energy levels, level scheme, J, π, γ-bands. Comparison with theoretical calculations.

doi: 10.1142/S0218301316500646
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2015WA28      Phys.Rev. C 92, 034317 (2015); Erratum Phys.Rev. C 109, 029902 (2024)

E.H.Wang, A.Lemasson, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.M.Eldridge, A.Navin, M.Rejmund, S.Bhattacharyya, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, H.L.Liu, H.Zhou, Y.X.Liu, H.J.Li, Y.Sun, F.R.Xu, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot

Identification of new transitions and mass assignments of levels in 143-153Pr

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, (fission fragment)γ-, γγ-coin using VAMOS++ spectrometer and EXOGAM array at GANIL. 143,144,145,146,147,148,149,150,151,152,153Pr; deduced levels, J, π, bands. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.92.034317
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2014LI46      Phys.Rev. C 90, 047303 (2014)

H.J.Li, S.J.Zhu, J.H.Hamilton, E.H.Wang, A.V.Ramayya, Y.J.Chen, J.K.Hwang, J.Ranger, S.H.Liu, Z.G.Xiao, Y.Huang, Z.Zhang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, G.M.Ter-Akopian, Yu.Ts.Oganessian, W.C.Ma

Reinvestigation of high spin states and proposed octupole correlations in 147Ce

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, triple- and four-fold γγ-coin using Gammasphere detector array at LBNL facility. 147Ce; deduced high-spin levels, bands, B(E1)/B(E2) ratios, octupole correlations. Comparison with reflection-asymmetric shell-model calculations. Systematics of octupole band structures in 145Ba, 147Ce, and 149Nd.

doi: 10.1103/PhysRevC.90.047303
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2014LU07      Phys.Rev. C 89, 044326 (2014)

Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, E.Wang, Y.X.Liu, C.F.Jiao, W.Y.Liang, F.R.Xu, Y.Sun, S.Frauendorf, J.K.Hwang, S.H.Liu, S.J.Zhu, N.T.Brewer, I.Y.Lee, G.M.Ter-Akopian, Yu.Oganessian, R.Donangelo, W.C.Ma

First observation of a rotational band and the role of the proton intruder orbital π 1/2+[431] in very neutron-rich odd-odd 106Nb

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, 3- and 4-fold γγ-coin, coincidences with γ rays from complementary A=142-144 La isotopes , fission yield ratio using Gammasphere array at LBNL. 104,106Nb; deduced high-spin levels, J, π, rotational bands, alignment and moments of inertia plots, configurations. Comparison with projected shell model calculations. Role of 1/2[431] proton intruder orbital, and shape evolution.

NUCLEAR STRUCTURE 104,106Nb; calculated levels, J, π, potential energy surfaces (PES), configurations, alignments, moments of inertia. Projected shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.044326
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2014WA53      Phys.Rev. C 90, 067306 (2014)

E.H.Wang, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian

Identification of a possible proton two-quasiparticle band in 158Sm

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array at LBNL facility. 158Sm; deduced high-spin levels, J, π, bands, configuration, Comparison with projected shell model (PSM) calculations. Systematics of 2-quasiparticle bands in 156,158Sm, 156Nd.

doi: 10.1103/PhysRevC.90.067306
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2013HW01      J.Phys.(London) G40, 015106 (2013)

J.K.Hwang, J.H.Hamilton, A.V.Ramayya

Search for two-POV states, excited quintuplets and septuplets in 88-92Sr and 94, 96Zr

NUCLEAR STRUCTURE 87,88,89,90,91,92Sr, 94,96Zr; analyzed available data; deduced level energies, J, π according to published D CO ratios, E2 transition energy systematics, POV states.

doi: 10.1088/0954-3899/40/1/015106
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2013HW02      Eur.Phys.J. A 49, 125 (2013)

J.K.Hwang, J.H.Hamilton, A.V.Ramayya

One-phonon octupole vibrational states in 136Xe, 137Cs, 138Ba, 140Ce and 142Nd with N = 82

NUCLEAR STRUCTURE 136Xe, 137Cs, 138Ba, 140Ce, 142Nd; calculated zero-, one-, two-phonon high spin states E, γ transitions using weak coupling mode of collective octupole 3- phonon; deduced J, π of specified levels using comparison to data.

doi: 10.1140/epja/i2013-13125-5
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2013HW03      Eur.Phys.J. A 49, 152 (2013)

J.K.Hwang, J.H.Hamilton, A.V.Ramayya

One-phonon octupole vibrational states in 211At, 212Rn, 213Fr and 214Ra with N = 126

NUCLEAR STRUCTURE 211At, 212Rn, 213Fr, 214Ra; calculated one-phonon octupole vibrational states, J, π, γ transitions, B(E3). B(E3) compared to data.

doi: 10.1140/epja/i2013-13152-2
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2013LI23      Phys.Rev. C 87, 057302 (2013)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, S.J.Zhu, Y.Shi, F.R.Xu, J.C.Batchelder, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian

New high-spin level scheme of neutron-rich 112Rh

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 112Rh; deduced high-spin levels, J, π, bands, triaxiality. Total Routhian surface calculations. Systematics of yrare bands in 112,114Rh.

doi: 10.1103/PhysRevC.87.057302
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2013LI52      Phys.Rev. C 88, 054311 (2013)

H.J.Li, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Liu, Y.Sun, Z.G.Xiao, E.H.Wang, J.M.Eldridge, Z.Zhang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, Yu.Ts.Oganessian, W.C.Ma

Identification of multi-phonon γ-vibrational bands in odd-Z 105Nb

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, three and four-fold γγ-coin using Gammasphere array at LBNL facility. 105Nb; deduced high-spin levels, J, π, multi-phonon γ-vibrational bands, alignment plots; calculated total Routhian surfaces (TRS) with cranked shell model. Comparison with triaxial projected shell model calculations. Systematics of level energies and bandhead energies for ground, one-phonon and two-phonon bands in 103,105Nb, 104,105,106,108Mo, 107,109Tc, 108,110,112,114Ru.

doi: 10.1103/PhysRevC.88.054311
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2013LU18      Nucl.Phys. A919, 67 (2013); Erratum Nucl.Phys. A983, 321 (2019)

Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, S.Frauendorf, J.K.Hwang, N.J.Stone, S.J.Zhu, N.T.Brewer, E.Wang, I.Y.Lee, S.H.Liu, G.M.Ter Akopian, A.V.Daniel, Yu.Ts.Oganessian, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole, Y.Shi, F.R.Xu

New insights into the nuclear structure in neutron-rich 112, 114, 115, 116, 117, 118Pd

RADIOACTIVITY 252Cf(SF); measured fission fragments Eγ, Iγ(θ), γγ-coin using Compton-suppressed Ge detectors of Gammasphere array. 112,114,115,116,117,118Pd deduced levels, J, π, γ transitions, rotational bands, γ bands, triaxial deformation, wobbling, band crossing, backbanding, shape evolution; calculated deformation, shape evolution, band crossing using TRS (total Ruthian surface).

doi: 10.1016/j.nuclphysa.2013.10.002
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2013MA87      Phys.Rev. C 88, 064320 (2013)

C.Mazzocchi, R.Surman, R.Grzywacz, J.C.Batchelder, C.R.Bingham, D.Fong, J.H.Hamilton, J.K.Hwang, M.Karny, W.Krolas, S.N.Liddick, P.F.Mantica, A.C.Morton, W.F.Mueller, K.P.Rykaczewski, M.Steiner, A.Stolz, J.A.Winger, I.N.Borzov

New half-lives of very neutron-rich iron isotopes

NUCLEAR REACTIONS 9Be(86Kr, X)69Fe/70Fe/71Fe/72Fe, E=140 MeV/nucleon; measured reaction products and half-lives using A1900 separator at NSCL-MSU cyclotron facility.

RADIOACTIVITY 69,70,71,72Fe(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eβ, Eγ, βγ-coin, half-lives. Comparison with theoretical calculations using FRDM+QRPA, DF3a+CQRPA, and gross theory (GT2+HF-09).

doi: 10.1103/PhysRevC.88.064320
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2013MI13      Phys.Rev. C 88, 014309 (2013)

K.Miernik, K.P.Rykaczewski, R.Grzywacz, C.J.Gross, D.W.Stracener, J.C.Batchelder, N.T.Brewer, L.Cartegni, A.Fijalkowska, J.H.Hamilton, J.K.Hwang, S.V.Ilyushkin, C.Jost, M.Karny, A.Korgul, W.Krolas, S.H.Liu, M.Madurga, C.Mazzocchi, A.J.Mendez, D.Miller, S.W.Padgett, S.V.Paulauskas, A.V.Ramayya, R.Surman, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar

β-decay study of neutron-rich bromine and krypton isotopes

RADIOACTIVITY 93Br, 93,94Kr(β-), (β-n)[from 238U(p, F), E=50 MeV]; measured Eβ, Eγ, Iγ, βγ-, γγ-coin, T1/2, delayed neutron emission probability P(n) using LeRIBSS system at HRIBF facility. 92,93Kr; deduced levels, J, π. 92Rb, 93Y(β-); observed gamma rays. Comparison of half-lives and P(n) values with previous experimental studies, and with model predictions.

doi: 10.1103/PhysRevC.88.014309
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2012AL13      Phys.Rev. C 86, 031307 (2012)

J.M.Allmond, D.C.Radford, J.Pavan, K.Lagergren, C.Baktash, J.R.Beene, C.R.Bingham, L.Chaturvedi, M.Danchev, D.Fong, A.Galindo-Uribarri, P.A.Hausladen, J.K.Hwang, W.Krolas, J.F.Liang, E.Padilla-Rodal, W.Reviol, D.G.Sarantites, D.Seweryniak, D.Shapira, A.E.Stuchbery, J.P.Urrego-Blanco, R.L.Varner, X.Wang, C.-H.Yu, S.Zhu

One-neutron transfer study of 135Te and 137Xe by particle-γ coincidence spectroscopy: The ν1i13/2 state at N=83

NUCLEAR REACTIONS 13C(134Te, 12C), (134Te, 13C'), (134Te, 14C), E=565 MeV; 9Be(134Te, 8Be), E=565 MeV; 13C(136Xe, 12C), E=560 MeV; 9Be(136Xe, 8Be), E=560 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-, (particle)γγ-coin, (12C)γ(θ) using HyBall and Clarion arrays as HRIBF facility in ORNL for 134Te beam, and Gammasphere + Microball arrays at ATLAS facility in ANL for 136Xe beam. 134,135Te, 137Xe; deduced levels, J, π, σ, multipolarity. Comparison of measured σ with DWBA predictions, i13/2 states. Z=50-70, N=82, 83; systematics of energies of first 3-, 7/2- and 13/2+ states for even Z nuclei.

doi: 10.1103/PhysRevC.86.031307
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2012HW02      Int.J.Mod.Phys. E21, 1250020 (2012)

J.K.Hwang, J.H.Hamilton, A.V.Ramayya

N = 50 Shell gap evolution and particle-hole excitations in 82Ge, 84Se and 86Kr

NUCLEAR STRUCTURE 82Ge, 84Se, 86Kr; analyzed available data; deduced J, π, level energies. Nuclear shell model, comparison with experimental data.

doi: 10.1142/S0218301312500206
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2012HW05      Int.J.Mod.Phys. E21, 1250080 (2012)

J.K.Hwang, J.H.Hamilton, A.V.Ramayya, N.T.Brewer, E.H.Wang, Y.X.Luo, S.J.Zhu

Search for two-phonon octupole vibrational bands in 88, 89, 92, 93, 94, 96Sr and 95, 96, 97, 98Zr

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 88,89,92,94,96Sr, 95,96,97,98Zr; deduced level properties, energies, J, π, high-spin states, phonon octupole vibrational bands. Comparison with available data.

doi: 10.1142/S0218301312500802
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2012LI54      Phys.Rev. C 86, 067302 (2012)

H.J.Li, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Z.G.Xiao, M.Sakhaee, J.Y.Guo, S.W.Chen, N.T.Brewer, S.H.Liu, K.Li, E.Y.Yeoh, Z.Zhang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, G.Ter-Akopian, A.Daniel, Yu.Ts.Oganessian, W.C.Ma

Identification of a new side-band and proposed octupole correlations in very neutron-rich 152Ce

RADIOACTIVITY 252Cf(SF); measured prompt γ spectrum, Eγ, Iγ, γγ-coin using Gammasphere array at LBNL. 152Ce; deduced high-spin levels, J, p, rotational bands, β2 and β3 deformations, B(E1)/B(E2) ratios, moments of inertia plots, octupole band with s=+1. Comparison with calculations in a reflection asymmetric relativistic mean-field (RAS-RMF) approach. Calculated β2 versus β3 contour plot.

doi: 10.1103/PhysRevC.86.067302
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2012LU01      Nucl.Phys. A874, 32 (2012)

Y.X.Luo, J.O.Rasmussen, C.S.Nelson, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, C.Goodin, N.J.Stone, S.J.Zhu, N.T.Brewer, Ke Li, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole

New high-spin level schemes and excitation modes of 117, 118, 119, 120, 122Cd

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 117,118,119,120,122Cd deduced levels, J, π, quasi-rotational bands, configurations, B(E1), B(E2), angular correlations of γ in cascade; calculated yrast bands, B(E1), B(E2), deformation, triaxiality using various models and total Routhian surface, deformations, triaxiality.

doi: 10.1016/j.nuclphysa.2011.11.001
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2012LU06      Rom.J.Phys. 57, 309 (2012)

Y.X.Luo, S.H.Liu, J.H.Hamilton, A.V.Ramayya, J.O.Rasmussen, J.K.Hwang, N.T.Brewer, S.J.Zhu

Nuclear Structures of the Neutron-Rich Nuclei Around A=120

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-γ-coin. 118,120,122Cd, 114,115Rh; deduced energy levels, J, π, triaxial deformations.


2012MA37      Phys.Rev.Lett. 109, 112501 (2012)

M.Madurga, R.Surman, I.N.Borzov, R.Grzywacz, K.P.Rykaczewski, C.J.Gross, D.Miller, D.W.Stracener, J.C.Batchelder, N.T.Brewer, L.Cartegni, J.H.Hamilton, J.K.Hwang, S.H.Liu, S.V.Ilyushkin, C.Jost, M.Karny, A.Korgul, W.Krolas, A.Kuzniak, C.Mazzocchi, A.J.Mendez, K.Miernik, W.Padgett, S.V.Paulauskas, A.V.Ramayya, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar

New Half-lives of r-process Zn and Ga Isotopes Measured with Electromagnetic Separation

RADIOACTIVITY 82,83Zn, 85Ga(β-); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced T1/2. Comparison with FRDM, QRPA, density functional calculations.

doi: 10.1103/PhysRevLett.109.112501
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2012ZH03      Phys.Rev. C 85, 014330 (2012)

S.J.Zhu, M.Sakhaee, J.H.Hamilton, A.V.Ramayya, N.T.Brewer, J.K.Hwang, S.H.Liu, E.Y.Yeoh, Z.G.Xiao, Q.Xu, Z.Zhang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, K.Li, W.C.Ma

Observation of new levels and proposed octupole correlations in neutron-rich 150Ce

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 150Ce; deduced levels, J, π, multipolarity, high-spin rotational bands, B(E1)/B(E2) ratios, octupole bands. Systematics of octupole bands and moments of inertia plots in 144,146,148,150Ce.

doi: 10.1103/PhysRevC.85.014330
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2011HW03      Phys.Rev. C 84, 024305 (2011)

J.K.Hwang, J.H.Hamilton, A.V.Ramayya, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu

Possible excited deformed rotational bands in 82Ge

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, (x ray)γ-, γγ-coin using Gammasphere array. 82Ge; deduced levels, J, π, bands, quadrupole deformation, configurations and shape coexistence.

doi: 10.1103/PhysRevC.84.024305
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2011LI25      Phys.Rev. C 83, 064310 (2011)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.S.Chen, Z.C.Gao, S.J.Zhu, L.Gu, E.Y.Yeoh, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, J.C.Batchelder, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.Gelberg

Signature inversion in odd-odd 114Rh: First identification of high-spin states in very neutron-rich 114Rh and application of the triaxial projected shell model

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, fission yields ratios using the Gammasphere array. 114Rh; deduced levels, J, π, rotational bands, signature inversion, configurations. Comparison with Triaxial Projected Shell Model calculations. Systematics of negative-parity yrast bands of odd-odd Rh nuclei with A=104-114.

doi: 10.1103/PhysRevC.83.064310
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2011LI29      Phys.Rev. C 84, 014304 (2011)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Gelberg, L.Gu, E.Y.Yeoh, S.J.Zhu, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, A.V.Daniel, Yu.Ts.Oganessian, G.M.Ter-Akopian

High-spin level structure of 115Rh: Evolution of triaxiality in odd-even Rh isotopes

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 115Rh; deduced levels, J, π, bands, moment of inertia, signature splitting, fission yield ratios. Comparison with Rotor plus particle model calculations. Systematics of level energies, signature splittings and moments of inertia plots of 107,109,111,113,115Rh nuclei.

doi: 10.1103/PhysRevC.84.014304
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2011LI34      Int.J.Mod.Phys. E20, 1825 (2011)

K.Li, H.Hamilton, A.V.Ramayya, S.H.Liu, X.Q.Zhang, N.T.Brewer, J.K.Hwang, C.Goodin, S.J.Zhu, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, S.C.Wu, R.Donangelo, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.Unzhakova, J.D.Cole, W.C.Ma, M.A.Stoyer

Identification of high-spin states in neutron-rich 89, 90, 92Kr and 86Se

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-γ-γ-coin. 88,90,92Kr, 86Se; deduced level schemes, energies, J, π. Comparison with nuclear systematics and angular correlation measurements.

doi: 10.1142/S0218301311019635
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2011LI41      Phys.Rev. C 84, 044303 (2011)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.Shi, F.R.Xu, S.J.Zhu, E.Y.Yeoh, J.C.Batchelder, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian

First identification of high-spin states in the odd-odd neutron-rich nucleus 152Pr

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using GAMMASPHERE array. 152Pr; deduced levels, J, π, bands, conversion coefficients, multipolarity, configurations. 96,97,98,99Y, 149Ce, 151,153Pr; measured Eγ. Systematics of quasi-neutron states in 151Ce, 153Nd, 155Sm, 157Gd, 159Dy, 161Er. Comparison with total Routhian surface (TRS) calculations.

doi: 10.1103/PhysRevC.84.044303
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2011YE03      Phys.Rev. C 83, 054317 (2011)

E.Y.Yeoh, S.J.Zhu, J.H.Hamilton, K.Li, A.V.Ramayya, Y.X.Liu, J.K.Hwang, S.H.Liu, J.G.Wang, Y.Sun, J.A.Sheikh, G.H.Bhat, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, H.B.Ding, L.Gu, Q.Xu, Z.G.Xiao, W.C.Ma

High-spin structure and multiphonon γ vibrations in very neutron-rich 114Ru

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 114Ru; deduced levels, J, π, bands, alignments. Systematics of level energies for 108,110,112,114Ru nuclei. Calculated Routhians using cranked-shell model with triaxial deformation parameters. Triaxial projected shell-model calculations for γ-vibrational band.

doi: 10.1103/PhysRevC.83.054317
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2010GU07      Chin.Phys.Lett. 27, 062501 (2010)

L.Gu, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, J.-G.Wang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, Q.Xu, E.Y.Yeoh, W.C.Ma

Collective Band Structures and Identification of One-Phonon and Two-Phonon γ-Vibrational Bands in 109Tc

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγγ-coin.; 109Tc; deduced level scheme, high spin states, yrast bands interpretation. Cranked shell model calculations.

doi: 10.1088/0256-307X/27/6/062501
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2010HA16      Nucl.Phys. A834, 28c (2010)

J.H.Hamilton, S.J.Zhu, Y.X.Luo, A.V.Ramayya, S.Frauendorf, J.O.Rasmussen, J.K.Hwang, S.H.Liu, G.M.Ter-Akopian, A.V.Daniel, Y.Oganessian

Super deformation to maximum triaxiality in A=100-112; superdeformation, chiral bands and wobbling motion

RADIOACTIVITY 112Ru(IT) [from 252Cf(SF)]; measured Eγ, Iγ, γγ-coin; deduced wobbling bands. Comparison with systematics in adjacent nuclei.

doi: 10.1016/j.nuclphysa.2009.12.010
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2010HW03      Phys.Rev. C 82, 034308 (2010)

J.K.Hwang, A.V.Ramayya, J.H.Hamilton, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, R.Donangelo

High spin states in 151, 153Pr, 157Sm, and 93Kr

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, (x ray)-γ coin, half-lives by γ(t) using Gammasphere array. 93Kr, 151,153Pr, 157Sm; deduced levels, J, π, bands, configurations, conversion coefficients, B(E1)/B(E2) ratios. 96,97,98,99Y, 149,150Pr; measured Eγ.

doi: 10.1103/PhysRevC.82.034308
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2010LI03      Phys.Rev. C 81, 014316 (2010)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, N.J.Stone, A.V.Daniel, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma

g-factor and spin-parity assignments of excited states in the N=83 isotones 135Te, 136I, 137Xe, and 138Cs

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 135Te, 136I, 137Xe, 138Cs; deduced levels, J, π. Comparison with shell model calculations.

NUCLEAR MOMENTS 137Xe; measured g factor of a 15/2- state using integral perturbed angular correlation (IPAC) technique.

doi: 10.1103/PhysRevC.81.014316
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2010LI10      Phys.Rev. C 81, 037302 (2010)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma

Nuclear structure of the odd-odd N=85 neutron-rich nucleus 140Cs

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 140Cs; deduced levels, J, π, configurations. 107,108,109,110Tc; measured Eγ. Comparison with level structure of 138I and with systematics of N=85 isotones of 137Te, 138I, 139Xe, 140Cs, 141Ba, 145Nd, 146Pm, 147Sm, 148Eu and 149Gd.

doi: 10.1103/PhysRevC.81.037302
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2010LI14      Phys.Rev. C 81, 057304 (2010)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, S.J.Zhu, W.C.Ma, A.V.Daniel, G.M.Ter-Akopian

Evidence for octupole excitations in the odd-odd neutron-rich nucleus 142Cs

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ). 142Cs; deduced levels, J, π, multipolarity, bands, B(E1), B(E2), electric dipole moments. 106,107Tc; measured Eγ. Systematics of electric dipole moments for Xe (N=85-88), Cs (N=86-88), Ba (N=85-90), La (N=88, 90), Ce (N=86, 88, 90), Nd (N=86, 88, 90), Sm( N=86, 88).

doi: 10.1103/PhysRevC.81.057304
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2010LI24      Nucl.Phys. A834, 78c (2010)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma

High spin structure of the neutron-rich 139, 142Cs nuclei

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ(θ), γγ-coin. 139,142Cs; deduced high-spin states, levels, J, π, bands, ICC, δ. 139Cs calculated levels, J, π, δ using shell model.

doi: 10.1016/j.nuclphysa.2010.01.023
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2010LU02      Nucl.Phys. A838, 1 (2010)

Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, S.H.Liu, E.F.Jones, P.M.Gore, C.Goodin, N.J.Stone, S.J.Zhu, J.K.Hwang, Ke Li, H.L.Crowell, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole

Octupole excitations in 141, 144Cs and the pronounced decrease of dipole moments with neutron number in odd-Z neutron-rich 141, 143, 144Cs

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere. 141,144Cs; deduced levels, J, p, conversion coefficients, multipolarities, bands, parity doublets, simplex structure, B(E1)/B(E2), dipole moment. Comparison with level structure of 143Cs and with systematics of adjacent N=85-92 nuclei. 105,106,107,108Tc; measured Eγ.

doi: 10.1016/j.nuclphysa.2010.03.003
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2010WA26      Nucl.Phys. A834, 94c (2010)

J.-G.Wang, S.-J.Zhu, J.H.Hamilton, H.-B.Ding, L.Gu, A.V.Ramayya, J.K.Hwang, S.H.Liu, K.Li, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, Q.Xu, E.-Y.Yeoh, Z.G.Xiao, W.C.Ma

Identification of Two-Phonon γ-Vibrational Bands in Odd-A Nuclei at A ∼ 100 Region

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 103Nb, 105Mo, 107Tc; deduced levels, J, π, high-spin states, 2γ-vibrational bands.

doi: 10.1016/j.nuclphysa.2010.01.028
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2010YE08      Phys.Rev. C 82, 027302 (2010)

E.Y.Yeoh, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, Y.X.Liu, Y.Sun, J.K.Hwang, S.H.Liu, J.G.Wang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, H.B.Ding, L.Gu, Q.Xu, Z.G.Xiao

Identification of a quasiparticle band in very neutron-rich 104Zr

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 104Zr; deduced levels, J, π, bands, yrast structure, configurations. Comparison with projected shell model (PSM) calculations.

doi: 10.1103/PhysRevC.82.027302
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2010YE10      Eur.Phys.J. A 45, 147 (2010)

E.Y.Yeoh, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, Y.C.Yang, Y.Sun, J.K.Hwang, S.H.Liu, J.G.Wang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, H.B.Ding, K.Li, L.Gu, Q.Xu, Z.G.Xiao, W.C.Ma

High-spin states and a new band based on the isomeric state in 152Nd

RADIOACTIVITY 252Cf(SF); measured prompt, β-delayed Eγ, Iγ, γγ-coin. 152Nd deduced levels, J, π, high-spin states, isomeric transition T1/2, band on isomeric state; calculated levels, J, π using projected shell model.

doi: 10.1140/epja/i2010-11001-6
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2009BA52      Phys.Rev. C 80, 054318 (2009)

J.C.Batchelder, J.L.Wood, P.E.Garrett, K.L.Green, K.P.Rykaczewski, J.-C.Bilheux, C.R.Bingham, H.K.Carter, D.Fong, R.Grzywacz, J.H.Hamilton, D.J.Hartley, J.K.Hwang, W.Krolas, W.D.Kulp, Y.Larochelle, A.Piechaczek, A.V.Ramayya, E.H.Spejewski, D.W.Stracener, M.N.Tantawy, J.A.Winger, E.F.Zganjar

Collective and noncollective states in 116Cd studied via the β decays of 116Agm1, m2, gs

RADIOACTIVITY 116,116mAg(β-) [from 238U(p, X), E not given]; measured Eγ, Iγ, γγ-coin, ce, and half-lives using HRIBF facility. 116Ag, 116Cd; deduced levels, J, π, conversion coefficients, multipolarities, logft, and BE2 rates. Comparisons with IBM-2 calculations, and with low-energy 0+ and 2+ level systematics of 110,112,114,116,118,120Cd.

doi: 10.1103/PhysRevC.80.054318
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2009DI12      Chin.Phys.C 33, Supplement 1, 154 (2009)

H.-B.Ding, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, K.Li, S.H.Liu, Y.X.Luo, J.O.Rasmussen, C.T.Goodin, I.Y.Lee, J.-G.Wang, X.-L.Che, L.Gu

Extended collective bands in neutron-rich 109Ru

RADIOACTIVITY 252Cf(SF); 109Ru; measured Eγ, Iγ, γ-γ-coin.; deduced high-spin states, level scheme, ground state and negative and positive parity bands.

doi: 10.1088/1674-1137/33/S1/049
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2009GO09      Phys.Rev. C 79, 034316 (2009)

C.Goodin, J.R.Stone, N.J.Stone, A.V.Ramayya, A.V.Daniel, J.H.Hamilton, K.Li, J.K.Hwang, G.M.Ter-Akopian, J.O.Rasmussen

g factors of first 2+ states of neutron-rich Xe, Ba, and Ce isotopes

NUCLEAR MOMENTS 140,142Xe, 146Ba, 146,148Ce; measured g factors of first 2+ states by integral perturbed angular correlation (IPAC) method. 130,132,134,136,138,140,142Xe, 130,132,134,136,138,140,142,144,146Ba, 140,142,146,148Ce, 148,150Nd, 152,154Sm, 154,156,158,160Gd, 160,162,164Dy; systematics of experimental and theoretical g factors and ratio of proton to neutron holes outside the nearest closed shell. Comparison with interacting boson model-2 and rotation-vibration model calculations. 146Ba, 146,148Ce; deduced ratio of neutron to proton deformation.

RADIOACTIVITY 252Cf(SF); measured Eγ, (particle)γ-, γγ-coin, attenuated γγ(θ). 136,140,142Xe, 142,146Ba, 146,148Ce; deduced levels, J, g factors.

doi: 10.1103/PhysRevC.79.034316
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2009GO18      Phys.Rev. C 80, 014318 (2009)

C.Goodin, A.V.Ramayya, J.H.Hamilton, N.J.Stone, A.V.Daniel, K.Li, S.H.Liu, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, S.J.Zhu

Single particle states in neutron-rich 101Zr, 103, 105, 107Mo, and 109, 111Ru

RADIOACTIVITY 252Cf(SF); measured γγ(θ). 101Zr, 103,105,107Mo, 109,111Ru; deduced levels, J, π, mixing ratios. Comparison of mixing ratios with predictions of the particle-axial-rotor model for various single-particle states.

doi: 10.1103/PhysRevC.80.014318
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2009GU11      Phys.Rev. C 79, 054317 (2009)

L.Gu, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, J.G.Wang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, X.L.Che, H.B.Ding, K.Li, Q.Xu, Y.Y.Yang, W.C.Ma

Collective band structures in neutron-rich 106, 107Tc

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 106,107Tc; deduced levels, J, π, bands, configurations, moments of inertia. 104,105Mo, 105,106Tc; systematics of alignments and moments of inertia.

doi: 10.1103/PhysRevC.79.054317
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2009GU20      Chin.Phys.Lett. 26, 092502 (2009)

L.Gu, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, J.-G.Wang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, H.-B.Ding, K.Li, Q.Xu, Y.-Y.Yang

Reinvestigation of Collective Bands in 107Tc

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin.; 107Tc; deduced levels, J, π, high-spin states, bands. Comparison with g-factor calculations.

doi: 10.1088/0256-307X/26/9/092502
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2009GU32      Chin.Phys.C 33, Supplement 1, 182 (2009)

L.Gu, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, K.Li, I.Y.Lee, Q.Xu, X.-L.Che, J.-G.Wang, H.-B.Ding, Y.-Y.Yang

High spin states in neutron-rich 106Tc nucleus

RADIOACTIVITY 252Cf(SF); 106Tc; measured Eγ, Iγ, γ-γ-coin.; deduced high-spin states, level scheme, J, π, collective bands. Total Routhian surface (TRS) calculations.

doi: 10.1088/1674-1137/33/S1/058
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2009HA15      Acta Phys.Pol. B40, 523 (2009)

J.H.Hamilton, Y.X.Luo, S.J.Zhu, J.O.Rasmussen, A.V.Ramayya, C.Goodin, K.Li, J.K.Hwang, S.Liu, D.Almehed, S.Frauendorf, V.Dimitrov, Jing-ye Zhang, X.L.Che, Z.Jang, I.Stefanescu, A.Gelberg, G.M.Ter-Akopian, A.V.Daniel, I.Y.Lee, H.-B.Ding, R.Q.Xu, J.-G.Wang, Q.Xu, M.A.Stoyer, R.Donangelo, N.J.Stone

New Band Structures in Neutron-Rich Mo and Ru Isotopes


2009HW03      Phys.Rev. C 80, 037304 (2009)

J.K.Hwang, A.V.Ramayya, J.H.Hamilton, S.H.Liu, K.Li, H.L.Crowell, C.Goodin, Y.X.Luo, J.O.Rasmussen, S.J.Zhu

High-spin states in 91, 92, 93Rb and 155, 156Pm

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 91,92,93Rb, 155,156Pm; deduced levels, J, π, bands. Comparison with level systematics of 89Rb, 90Kr and 92Kr.

doi: 10.1103/PhysRevC.80.037304
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2009LI25      Phys.Rev. C 79, 067303 (2009)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, W.C.Ma

Identification of high spin states in 134I from 252Cf fission

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ). 134I; deduced levels, J, π, yrast states. 111,112,113Rh; measured Eγ, γγ-coin. Discussed systematics of yrast levels in Iodine nuclides.

doi: 10.1103/PhysRevC.79.067303
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2009LI42      Phys.Rev. C 80, 044314 (2009)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma

High spin structure of the neutron-rich nuclei 137I and 139Cs

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, and γγ(θ) using Gammasphere array. 137I, 139Cs; deduced levels, J, π, bands, multipolarities and mixing ratios. 108,109,110Tc, 111,113Rh; measured Eγ, γγ-coin. Comparison with shell-model calculations. A=133-141(odd), Z=55; N=84, Sb, I, Cs, La; A=132-140(even), Z=52, 54, 56; systematics of low-lying states.

doi: 10.1103/PhysRevC.80.044314
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2009LU01      Phys.Lett. B 670, 307 (2009); Erratum Phys.Lett. B 691, 285 (2010)

Y.X.Luo, S.J.Zhu, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, C.Goodin, K.Li, J.K.Hwang, D.Almehed, S.Frauendorf, V.Dimitrov, Jing-ye Zhang, X.L.Che, Z.Jang, I.Stefanescu, A.Gelberg, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, J.D.Cole, N.J.Stone

Evolution of chirality from γ soft 108Ru to triaxial 110, 112Ru

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 108,110,112Ru; deduced levels, J, π, rotational bands, B(E2)/B(M1). Tilted axis cranking and RPA calculations.

doi: 10.1016/j.physletb.2008.10.067
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2009LU04      Nucl.Phys. A818, 121 (2009)

Y.X.Luo, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, C.Goodin, S.J.Zhu, J.K.Hwang, K.Li, D.Fong, I.Stefanescu, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole

New level schemes and octupole correlations of light neutron-rich lanthanum isotopes 143, 144La

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin and fission yield ratios of 103,104,105Nb, 143,144La using Gammasphere. 143,144La deduced levels, J, π, band configurations, branching ratios, B(E1)/B(E2) ratios. Cranked-shell model calculations.

doi: 10.1016/j.nuclphysa.2008.12.004
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2009LU11      Nucl.Phys. A825, 1 (2009)

Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, C.Goodin, S.J.Zhu, J.K.Hwang, K.Li, D.Fong, I.Stefanescu, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole

The first observation of a deformed Kπ = 1+ ground-state band in 100Nb and the high-spin level scheme of its 4n fission partner 148La

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 100Nb, 148La; deduced ICCs, high-spin levels, J, π, rotational bands, multipolarities, shape coexistence and configurations.

doi: 10.1016/j.nuclphysa.2009.04.006
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2009LU18      Int.J.Mod.Phys. E18, 1697 (2009)

Y.X.Luo, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, C.Goodin, K.J.Li, X.L.Che, J.K.Hwang, I.Y.Lee, Z.Jiang, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, S.Frauendorf, V.Dimitrov, J.-Y.Zhang, J.D.Cole, N.J.Stone, J.O.Rasmussen

Odd-parity bands of 108, 110, 112Ru

RADIOACTIVITY 252Cf(SF); 108,110,112Ru; measured Eγ, Iγ, γγγ-coin.; deduced level schemes, mixing ratios, bands, J, π, angular correlations, level energies, B(E1)/B(E2), chiral doubling. Comparison with other chiral doubling candidates.

doi: 10.1142/S0218301309013646
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2009WA10      Phys.Lett. B 675, 420 (2009)

J.-G.Wang, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, K.Li, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, H.-B.Ding, Q.Xu, L.Gu, E.-Y.Yeoh, Z.-G.Xiao, W.C.Ma

Identification of one-phonon and two-phonon γ-vibrational bands in odd-Z 103Nb nucleus

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 103Nb; deduced high-spin levels, J, π, vibrational band structure.

doi: 10.1016/j.physletb.2009.04.057
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2009WA31      Chin.Phys.C 33, Supplement 1, 158 (2009)

J.-G.Wang, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.O.Rasmussen, Y.X.Luo, K.Li, I.Y.Lee, H.-B.Ding, Q.Xu, L.Gu, Y.-Y.Yang

Observation of a new rotational band in 104Nb nucleus

RADIOACTIVITY 252Cf(SF); 104Nb; measured Eγ, Iγ, γ-γ-coin.; deduced high-spin states, level scheme, J, π, rotational bands. Comparison with experimental data.

doi: 10.1088/1674-1137/33/S1/050
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2009YA26      Chin.Phys.C 33, Supplement 1, 199 (2009)

Y.-Y.Yang, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.O.Rasmussen, Y.X.Luo, K.Li, H.-B.Ding, J.-G.Wang, Q.Xu, L.Gu

High-spin states in neutron-rich 102Mo nucleus

RADIOACTIVITY 252Cf(SF); 102Mo; measured Eγ, Iγ, γ-γ-coin.; deduced high-spin states, level scheme, J, π, bands. Systematic comparison with experimental data.

doi: 10.1088/1674-1137/33/S1/064
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2009ZH24      Int.J.Mod.Phys. E18, 1717 (2009)

S.J.Zhu, Y.X.Luo, J.H.Hamilton, A.V.Ramayya, X.L.Che, Z.Jiang, J.K.Hwang, J.L.Wood, M.A.Stoyer, R.Donangelo, J.D.Cole, C.Goodin, J.O.Rasmussen

Even-parity bands of 108, 110, 112Ru

RADIOACTIVITY 252Cf(SF); 108,110,112Ru; measured Eγ, Iγ, γγ-coin.; deduced high-spin, even-parity bands, branching ratios, odd-even spin energy band staggering, doubling of levels in 110Ru, deformation parameters, triaxiality. Comparison with TRS calculations.

doi: 10.1142/S0218301309013798
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2009ZH50      Chin.Phys.C 33, Supplement 1, 145 (2009)

S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.O.Rasmussen, Y.X.Luo, K.Li, J.-G.Wang, X.-L.Che, H.-B.Ding, S.Frauendorf, V.Dimitrov, Q.Xu, L.Gu, Y.-Y.Yang

Search for chiral bands in A ∼ 110 neutron-rich nuclei

RADIOACTIVITY 252Cf(SF); 106Mo, 110,112Ru; measured Eγ, Iγ, γ-γ-coin.; deduced high-spin states, chiral doublet vibrational bands, J, π, energies, B(E2)/B(M1), branching ratios. 3D-Tilted Axis Cranking (TAC) calculations.

doi: 10.1088/1674-1137/33/S1/046
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2008DI11      Phys.Rev. C 77, 057302 (2008)

H.B.Ding, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, K.Li, S.H.Liu, Y.X.Luo, J.O.Rasmussen, C.T.Goodin, I.Y.Lee, A.V.Daniel, G.M.Ter-Akopian, J.G.Wang, X.L.Che, L.Gu, W.C.Ma

Identification of the ν7/2+ [404] band in neutron-rich 109Ru

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 109Ru; deduced levels, J, π, band configurations. Total Routhian surface calculations.

doi: 10.1103/PhysRevC.77.057302
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2008GO28      Phys.Rev. C 78, 044331 (2008)

C.Goodin, N.J.Stone, A.V.Ramayya, A.V.Daniel, J.R.Stone, J.H.Hamilton, K.Li, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, A.Gargano, A.Covello, G.M.Ter-Akopian

g factors, spin-parity assignments, and multipole mixing ratios of excited states in N = 82 isotones 134Te, 135I

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, angular correlations, g-factors. 134Te, 135I; deduced levels, J, π, mixing ratios. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.78.044331
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2008HW01      J.Phys.(London) G35, 055102 (2008)

J.K.Hwang, A.V.Ramayya, J.H.Hamilton

Comparison of Cd and Hg level structures with regard to shape coexistence and shell quenching

NUCLEAR STRUCTURE Cd, Hg; evaluated level structures, shape coexistence, shell quenching.

doi: 10.1088/0954-3899/35/5/055102
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2008HW02      Phys.Rev. C 78, 014309 (2008)

J.K.Hwang, A.V.Ramayya, J.H.Hamilton, K.Li, C.Goodin, Y.X.Luo, J.O.Rasmussen, S.J.Zhu

High spin states in 153Nd and first identification of excited states in 155Nd

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, (particle)γ-coin. 153,155Nd; deduced levels, configurations, rotational bands.

doi: 10.1103/PhysRevC.78.014309
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2008HW03      Phys.Rev. C 78, 017303 (2008)

J.K.Hwang, A.V.Ramayya, J.H.Hamilton, K.Li, C.Goodin, Y.X.Luo, J.O.Rasmussen, S.J.Zhu

Identification of levels in 159Sm and high spin states in 89, 91Kr

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 89,91Kr, 159Sm; deduced levels, J, π, bands, configurations. 90,92Kr, 161Gd, 163Dy; comparison with adopted levels.

doi: 10.1103/PhysRevC.78.017303
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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
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2008LI45      Phys.Rev. C 78, 044317 (2008)

K.Li, J.H.Hamilton, A.V.Ramayya, S.J.Zhu, Y.X.Luo, J.K.Hwang, C.Goodin, J.O.Rasmussen, G.M.Ter-Akopian, A.V.Daniel, I.Y.Lee, S.C.Wu, R.Donangelo, J.D.Cole, W.C.Ma, M.A.Stoyer

Identification of new collective bands in neutron-rich 102Zr

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, angular correlations. 102Zr; deduced levels, J, π, bands.

doi: 10.1103/PhysRevC.78.044317
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2008WA15      Phys.Rev. C 78, 014313 (2008)

J.G.Wang, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, K.Li, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, H.B.Ding, Q.Xu, L.Gu, S.H.Liu, C.T.Goodin, W.C.Ma

First identification of a collective band in the odd-odd 104Nb nucleus

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, fission yields of 103,104,105Nb, 143,145,147La. 104Nb; deduced levels, J, π, bands, configurations. 101,102,103Nb, 101,103Zr, 103,105Mo; level systematics.

doi: 10.1103/PhysRevC.78.014313
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2008XU08      Phys.Rev. C 78, 064301 (2008)

Q.Xu, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, B.Qi, J.Meng, J.Peng, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, S.H.Liu, K.Li, J.G.Wang, H.B.Ding, L.Gu, E.Y.Yeoh, W.C.Ma

Identification of pseudospin partner bands in 108Tc

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 108Tc; deduced levels, J, π, bands, B(E1)/B(E2) ratios. 106,107Mo, 107Tc; deduced bands. Comparison with particle-rotor model calculations.

doi: 10.1103/PhysRevC.78.064301
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2007DI09      Chin.Phys.Lett. 24, 1517 (2007)

H.-B.Ding, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, X.-L.Che, J.-G.Wang, Q.Xu

Collective Band Structures in Neutron-Rich 108Mo Nucleus

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-conic using the Gammasphere array. 108Mo deduced level energies, J, π.

doi: 10.1088/0256-307X/24/6/024
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2007GO21      Nucl.Phys. A787, 231c (2007)

C.Goodin, Y.X.Luo, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, J.O.Rasmussen, S.J.Zhu, A.Gelberg, G.M.Ter-Akopian

Study of fission process and neutron-rich nuclei

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, fission fragment and light charged particle yields. 108,110,112Ru deduced levels, J, π. 104Zr, 106Mo, 148Ce(IT); measured T1/2, B(E2). Gammasphere array.

doi: 10.1016/j.nuclphysa.2006.12.037
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2007LI21      Phys.Rev. C 75, 044314 (2007)

K.Li, Y.X.Luo, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, S.J.Zhu, C.Goodin, H.L.Crowell, J.O.Rasmussen, I.Y.Lee, S.C.Wu, A.Covello, A.Gargano, R.Donangelo, G.M.Ter-Akopian, A.V.Daniel, J.D.Cole, W.C.Ma, M.A.Stoyer

Identification and shell model calculation of high spin states in 137, 138Cs nuclei

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 137,138Cs deduced high-spin levels, J, π, configurations. Gammasphere array, comparison with shell model predictions.

doi: 10.1103/PhysRevC.75.044314
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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
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2007MA35      Phys.Rev.Lett. 98, 212501 (2007)

C.Mazzocchi, R.Grzywacz, S.N.Liddick, K.P.Rykaczewski, H.Schatz, J.C.Batchelder, C.R.Bingham, C.J.Gross, J.H.Hamilton, J.K.Hwang, S.Ilyushkin, A.Korgul, W.Krolas, K.Li, R.D.Page, D.Simpson, J.A.Winger

α Decay of 109I and Its Implications for the Proton Decay of 105Sb and the Astrophysical Rapid Proton-Capture Process

RADIOACTIVITY 109I(α); measured Eα, Qα and branching ratio.

doi: 10.1103/PhysRevLett.98.212501
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2007WA20      Phys.Rev. C 75, 064301 (2007); Erratum Phys.Rev. C 109, 039903 (2024)

J.G.Wang, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Luo, Y.J.Chen, J.O.Rasmussen, I.Y.Lee, X.L.Che, H.B.Ding, K.Li, C.T.Goodin, Q.Xu

First identification of collective bands and octupole correlations in the neutron-rich 143La nucleus

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γγ-coinc. 143La; deduced levels, J, π for high spin levels.

doi: 10.1103/PhysRevC.75.064301
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2007ZH24      Prog.Part.Nucl.Phys. 59, 329 (2007)

S.J.Zhu, Y.X.Luo, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, J.K.Hwang, H.B.Ding, X.L.Che, Z.Jiang, P.M.Gore, E.F.Jones, K.Li, I.Y.Lee, W.C.Ma, G.M.Ter-Akopian, A.V.Daniel, S.Frauendorf, V.Dimitrov, J.Y.Zhang, A.Gelberg, I.Stefanescu, J.D.Cole

Triaxiality, chiral bands and gamma vibrations in A = 99-114 nuclei

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγγ-coinc with Gammasphere. A=99-114; deduced new band structures and significant extensions of previously known bands.

doi: 10.1016/j.ppnp.2006.12.022
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2006CH07      Chin.Phys.Lett. 23, 328 (2006)

X.-L.Che, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.O.Rasmussen, Y.X.Luo, Y.-J.Chen, M.-L.Li, H.-B.Ding, Y.-N.U, I.Y.Lee, W.C.Ma

High Spin Band Structure in 112Ru

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 112Ru deduced high-spin levels, J, π, configurations. Gammasphere array, cranking model analysis, total Routhian surface calculations.

doi: 10.1088/0256-307X/23/2/015
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2006CH24      Phys.Rev. C 73, 054316 (2006)), Erratum Phys.Rev. C 106, 059902 (2022)

Y.J.Chen, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, M.Sakhaee, Y.X.Luo, J.O.Rasmussen, K.Li, I.Y.Lee, X.L.Che, H.B.Ding, M.L.Li

Search for octupole correlations in neutron-rich 148Ce nucleus

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 148Ce deduced levels, J, π, rotational bands, B(E1)/B(E2), possible octupole correlations. Gammasphere array.

doi: 10.1103/PhysRevC.73.054316
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2006CH70      High Energy Phys. and Nucl.Phys. (China), Supplement 2, 30, 154 (2006)

X.-L.Che, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.O.Rasmussen, Y.X.Luo, Y.-J.Chen, M.-L.Li, H.-B.Ding

High Spin Band Structure in 112Ru


2006CH71      High Energy Phys. and Nucl.Phys. (China) 30, 740 (2006)

Y.-J.Chen, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, X.-L.Che, H.-B.Ding, M.-L.Li

Octupole Deformed Band and Quasi-γ Band in 146Ce Nucleus


2006DA21      Phys.Atomic Nuclei 69, 1405 (2006)

A.V.Daniel, J.H.Hamilton, A.V.Ramayya, A.S.Fomichev, Yu.Ts.Oganessian, G.S.Popeko, A.M.Rodin, G.M.Ter-Akopian, J.K.Hwang, D.Fong, C.Goodin, K.Li, J.O.Rasmussen, D.Seweryniak, M.Carpenter, C.J.Lister, S.H.Zhu, R.V.F.Janssens, J.Batchelder, J.Kliman, L.Krupa, W-C.Ma, S.J.Zhu, L.Chaturvedi, J.D.Cole

Experiment Aimed at the Study of 252Cf Binary and Ternary Fission

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, fission fragment and light charged particle yields. Gammasphere array.

doi: 10.1134/S1063778806080199
Citations: PlumX Metrics


2006DI16      Phys.Rev. C 74, 054301 (2006), Erratum Phys.Rev. C 107, 039905 (2023)

H.B.Ding, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, K.Li, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, C.T.Goodin, X.L.Che, Y.J.Chen, M.L.Li

Identification of band structures and proposed one- and two-phonon γ-vibrational bands in 105Mo

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 105Mo deduced high-spin levels, J, π, configurations. Gammasphere array, total Routhian surface calculations, level systematics in neighboring isotopes discussed.

doi: 10.1103/PhysRevC.74.054301
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006DI17      Chin.Phys.Lett. 23, 3222 (2006)

H.-B.Ding, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, X.-L.Che, Y.-J.Chen, M.-L.Li

Search for Double γ-Vibrational Bands in Neutron-Rich 105Mo Nucleus

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 105Mo deduced high-spin levels, J, π, configurations. Gammasphere array, total Routhian surface calculations, level systematics in neighboring isotopes discussed.

doi: 10.1088/0256-307X/23/12/028
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2006DI23      High Energy Phys. and Nucl.Phys. (China), Supplement 2, 30, 172 (2006)

H.-B.Ding, S.-J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, X.-L.Che, Y.-J.Chen, M.-L.Li

Identification of the Collective Bands Based on the Single Neutron Orbitals in Neutron-Rich 105Mo Nucleus


2006FO10      Phys.Atomic Nuclei 69, 1161 (2006)

D.Fong, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, C.Goodin, K.Li, J.Kormicki, J.O.Rasmussen, Y.X.Luo, S.C.Wu, I.Y.Lee, A.V.Daniel, G.M.Ter-Akopian, G.S.Popeko, A.S.Fomichev, A.M.Rodin, Yu.Ts.Oganessian, M.Jandel, J.Kliman, L.Krupa, J.D.Cole, M.A.Stoyer, R.Donangelo, W.C.Ma

Bimodal Fission in Binary and Ternary Spontaneous Fission of 252Cf

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, αγ-coin; deduced fission fragment isotopic yields, neutron multiplicity distributions, evidence for "hot" mode. Gammasphere array.

doi: 10.1134/S1063778806070118
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14546.


2006GO20      Phys.Rev. C 74, 017309 (2006)

C.Goodin, D.Fong, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, K.Li, Y.X.Luo, J.O.Rasmussen, S.C.Wu, M.A.Stoyer, T.N.Ginter, S.J.Zhu, R.Donangelo, G.M.Ter-Akopian, A.V.Daniel, G.S.Popeko, A.M.Rodin, A.S.Fomichev

New results for the intensity of bimodal fission in barium channels of the spontaneous fission of 252Cf

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, αγ-coin; deduced fission fragment isotopic yields, neutron multiplicity distributions. No "hot" fission mode seen.

doi: 10.1103/PhysRevC.74.017309
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14546.


2006HW01      Phys.Rev. C 73, 044316 (2006)

J.K.Hwang, A.V.Ramayya, J.H.Hamilton, Y.X.Luo, A.V.Daniel, G.M.Ter-Akopian, J.D.Cole, S.J.Zhu

Half-life measurements of several states in 95, 97Sr, 97, 100, 104Zr, 106Mo, and 148Ce

RADIOACTIVITY 252Cf(SF); measured prompt and delayed Eγ, Iγ, γγ-coin. 95,97Sr, 97,100,104Zr, 106Mo, 148Ce deduced levels T1/2, B(E2), quadrupole deformation. Gammasphere array, time-gated triple-coincidence method.

doi: 10.1103/PhysRevC.73.044316
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2006HW04      Phys.Rev. C 74, 017303 (2006), Erratum Phys.Rev. C 106, 069901 (2022)

J.K.Hwang, A.V.Ramayya, J.H.Hamilton, J.O.Rasmussen, Y.X.Luo, D.Fong, K.Li, C.Goodin, S.J.Zhu, S.C.Wu, M.A.Stoyer, R.Donangelo, X.-R.Zhu, H.Sagawa

Identification of high spin states in 100Zr

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 100Zr deduced high-spin levels, J, π. Gammasphere array.

doi: 10.1103/PhysRevC.74.017303
Citations: PlumX Metrics


2006JO01      Phys.Rev. C 73, 017301 (2006)

E.F.Jones, P.M.Gore, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, A.P.deLima, S.J.Zhu, C.J.Beyer, Y.X.Luo, W.C.Ma, J.O.Rasmussen, I.Y.Lee, S.C.Wu, T.N.Ginter, M.Stoyer, J.D.Cole, A.V.Daniel, G.M.Ter-Akopian, R.Donangelo

Identification of 88Se and new levels in 84, 86Se

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 84,86,88Se deduced levels, J, π. Gammasphere array.

doi: 10.1103/PhysRevC.73.017301
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2006JO05      Phys.Atomic Nuclei 69, 1198 (2006)

E.F.Jones, P.M.Gore, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, R.Q.Xu, L.M.Yang, K.Li, Z.Jiang, Z.Zhang, S.D.Xiao, X.Q.Zhang, W.C.Ma, J.D.Cole, M.W.Drigert, I.Y.Lee, J.O.Rasmussen, Y.X.Luo, M.A.Stoyer

Collective Bands in 104, 106, 108Mo

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 104,106,108Mo deduced levels, J, π, configurations, collective bands features. 106Mo deduced possible chiral doublet bands. Gammasphere array.

doi: 10.1134/S1063778806070167
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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