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NSR database version of April 24, 2024.

Search: Author = L.L.Riedinger

Found 197 matches.

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2023SI08      Phys.Rev. C 107, 054305 (2023)

J.Simpson, M.A.Riley, A.Pipidis, E.S.Paul, X.Wang, P.J.Nolan, J.F.Sharpey-Schafer, A.Aguilar, D.E.Appelbe, A.D.Ayangeakaa, A.J.Boston, H.C.Boston, D.B.Campbell, M.P.Carpenter, C.J.Chiara, P.T.W.Choy, R.M.Clark, M.Cromaz, A.O.Evans, P.Fallon, U.Garg, A.Gorgen, D.J.Hartley, R.V.F.Janssens, D.T.Joss, D.S.Judson, F.G.Kondev, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, J.T.Matta, J.Ollier, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Teal, P.J.Twin, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson

Evolution of structure and shapes in ¹⁵⁸Er to ultrahigh spin

NUCLEAR REACTIONS ¹¹⁴Cd(⁴⁸Ca, 4n)¹⁵⁸Er, E=215 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). ¹⁵⁸Er; deduced levels, J, π, high-spin states, angular intensity ratios, δ, B(M1/E2) ratios, nuclear shapes, alignments, rotational bands, configurations, band terminating states and feeding, transition quadrupole moments for triaxial strongly deformed bands, moment of inertia. Comparison with cranked Nilsson-Strutinski calculations. Systematics of triaxial strongly deformed bands in ¹⁵⁸Er, ¹⁶⁰Er, ¹⁵²Dy, ¹⁶³Lu. Gammasphere array of escape-suppressed HPGe detectors at 88-inch cyclotron-LBNL and ATLAS-ANL facilities.

doi: 10.1103/PhysRevC.107.054305
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2020MA16      Phys.Rev. C 101, 044312 (2020)

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

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

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

doi: 10.1103/PhysRevC.101.044312
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2019MA64      Phys.Rev. C 100, 034322 (2019)

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

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

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

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

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

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

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

doi: 10.1103/PhysRevC.100.044324
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2019MI12      Phys.Rev. C 100, 014302 (2019)

S.L.Miller, K.A.Villafana, M.A.Riley, J.Simpson, D.J.Hartley, E.S.Paul, A.D.Ayangeakaa, J.S.Baron, P.F.Bertone, A.J.Boston, M.P.Carpenter, J.J.Carroll, J.Cavey, C.J.Chiara, P.Chowdhury, U.Garg, S.S.Hota, E.G.Jackson, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, M.Litz, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, P.J.Nolan, E.E.Pedicini, L.L.Riedinger, J.F.Sharpey-Schafer, J.R.Vanhoy, A.Volya, X.Wang, S.Zhu

Backbending, seniority, and Pauli blocking of pairing correlations at high rotational frequencies in rapidly rotating nuclei

NUCLEAR STRUCTURE ^{156,157,158,159,160,161,162,163,164,165,166,168,170}Er, ^{158,159,160,161,162,163,164,165,166,167,168,169,170,171,172}Yb, ^{160,161,162,163,164,165,166,167,168,169,170,171,172,173,174}Hf, ^{164,165,166,167,168,169,170,171,172,173,174,175,176,177}W; calculated band-crossing frequencies of the first (AB) and the second (BC) i_13/2 neutron alignments. ¹⁶²Er, ¹⁶⁴Yb, ¹⁶⁶Hf, ¹⁶⁸W: calculated AB and BC crossing frequencies as function of quadrupole deformation, and as function of the percentage of the odd-even mass difference for N=94 nuclei. Comparison with experimental data. A=134-200, Z=52-82; systematics of E(first 4+)/E(first 2+) ratios for even-even nuclei.

doi: 10.1103/PhysRevC.100.014302
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2017HA03      Phys.Rev. C 95, 014321 (2017)

D.J.Hartley, L.L.Riedinger, R.V.F.Janssens, S.N.T.Majola, M.A.Riley, J.M.Allmond, C.W.Beausang, M.P.Carpenter, C.J.Chiara, N.Cooper, D.Curien, B.J.P.Gall, P.E.Garrett, F.G.Kondev, W.D.Kulp, T.Lauritsen, E.A.McCutchan, D.Miller, S.Miller, J.Piot, N.Redon, J.F.Sharpey-Schafer, J.Simpson, I.Stefanescu, X.Wang, V.Werner, J.L.Wood, C.-H.Yu, S.Zhu, J.Dudek

Investigation of negative-parity states in ¹⁵⁶Dy: Search for evidence of tetrahedral symmetry

NUCLEAR REACTIONS ¹⁴⁸Nd(¹²C, 4n), E=65 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using GAMMASPHERE array at ATLAS-ANL facility. ¹⁵⁶Dy; deduced high-spin levels, J, π, multipolarities, negative-parity bands, alignments, configurations, B(E2)/B(E1) ratios and octupole excitations, no evidence for tetrahedral symmetry. Systematics of Kπ=0-, 3- and Kπ=1-, 4- states in N=90 isotones ¹⁵²Sm, ¹⁵⁴Gd, ¹⁵⁶Dy and ¹⁶⁰Yb.

doi: 10.1103/PhysRevC.95.014321
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2016HA36      Phys.Rev. C 94, 054329 (2016)

D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.L.Miller, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, U.Garg, G.Gurdal, S.S.Hota, F.G.Kondev, T.Lauritsen, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, E.E.Pedicini, J.R.Vanhoy, S.Zhu

First observation of rotational structures in ¹⁶⁸Re

NUCLEAR REACTIONS ¹¹⁸Sn(⁵⁵Mn, 5n), E=260 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ATLAS-ANL facility. ¹⁶⁸Re; deduced high-spin levels, J, π, γ-branching ratios, bands, alignments, band crossings, B(M1)/B(E2) ratios, configuration. Comparison of B(M1)/B(E2) ratios with theoretical calculations. Systematics of level energies for πh_11/2νi_13/2 bands in ^{166,168,170,172,174}Re. Systematics of signature splitting for πh_11/2νi_13/2 bands in ^{166,168,170,172,174}Re, ^{164,166,168,170,172}Ta, ^{162,164,166,168,170}Lu.

doi: 10.1103/PhysRevC.94.054329
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2016KO15      Phys.Rev.Lett. 116, 122502 (2016)

K.Kolos, D.Miller, R.Grzywacz, H.Iwasaki, M.Al-Shudifat, D.Bazin, C.R.Bingham, T.Braunroth, G.Cerizza, A.Gade, A.Lemasson, S.N.Liddick, M.Madurga, C.Morse, M.Portillo, M.M.Rajabali, F.Recchia, L.L.Riedinger, P.Voss, W.B.Walters, D.Weisshaar, K.Whitmore, K.Wimmer, J.A.Tostevin

Direct Lifetime Measurements of the Excited States in ⁷²Ni

NUCLEAR REACTIONS ⁹Be(⁷³Cu, p)⁷²Ni, E=102MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, lifetimes, B(E2) values. Comparison with nuclear shell model calculations.

doi: 10.1103/PhysRevLett.116.122502
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2015HA16      Phys.Rev. C 91, 057301 (2015)

D.J.Hartley, M.A.Riley, X.Wang, S.Miller, R.V.F.Janssens, E.S.Paul, J.M.Rees, J.Simpson, L.L.Riedinger, A.D.Ayangeakaa, M.P.Carpenter, C.J.Chiara, U.Garg, P.Hampson, C.R.Hoffman, F.G.Kondev, T.Lauritsen, P.J.R.Mason, J.T.Matta, P.J.Nolan, J.Ollier, M.Petri, D.C.Radford, J.P.Revill, S.Zhu, I.Ragnarsson

Persistence of collective behavior at high spin in the N=88 nucleus ¹⁵³Tb

NUCLEAR REACTIONS ¹²⁴Sn(³⁷Cl, 4nα), E=180 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ATLAS-ANL facility. ¹⁵³Tb; deduced high-spin levels, J, π, bands, alignments, configurations. Systematics of yrast states in N=88 isotones ¹⁵²Gd, ¹⁵⁴Dy, ¹⁵⁶Er, ¹⁵⁸Yb, ¹⁵³Tb, ¹⁵⁵Ho, ¹⁵⁷Tm, and Comparison with Nilsson-Strutinsky (CNS) calculations.

doi: 10.1103/PhysRevC.91.057301
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2015MA15      Phys.Rev. C 91, 034330 (2015)

S.N.T.Majola, D.J.Hartley, L.L.Riedinger, J.F.Sharpey-Schafer, J.M.Allmond, C.Beausang, M.P.Carpenter, C.J.Chiara, N.Cooper, D.Curien, B.J.P.Gall, P.E.Garrett, R.V.F.Janssens, F.G.Kondev, W.D.Kulp, T.Lauritsen, E.A.McCutchan, D.Miller, J.Piot, N.Redon, M.A.Riley, J.Simpson, I.Stefanescu, V.Werner, X.Wang, J.L.Wood, C.-H.Yu, S.Zhu

Observation of γ vibrations and alignments built on non-ground-state configurations in ¹⁵⁶Dy

NUCLEAR REACTIONS ¹⁴⁸Nd(¹²C, 4n), E=65 MeV; measured Eγ, Iγ, multi-fold γγ-coin, γγ(θ)(DCO) using Gammasphere array at ATLAS-ANL facility. ¹⁵⁶Dy; deduced high-spin levels, J, π, multipolarities, ground-state, γ- and S-bands, 0+ pairing isomer state, alignments, B(E2) ratios, candidate for an aligned S band built on the second 0+, second vacuum configuration. Systematics of γ band members above 15+ in ¹⁰⁴Mo, ^{154,156,160,162,164}Dy, ^{156,160,164,170}Er, ¹⁸⁰Hf, ²³⁸U.

doi: 10.1103/PhysRevC.91.034330
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2014HA22      Phys.Rev. C 90, 017301 (2014)

D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.Miller, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Cavey, C.J.Chiara, P.Chowdhury, U.Garg, S.S.Hota, E.G.Jackson, F.G.Kondev, T.Lauritsen, M.Litz, W.C.Ma, J.Matta, E.S.Paul, E.E.Pedicini, J.Simpson, J.R.Vanhoy, S.Zhu

High-spin structure of odd-odd ¹⁷²Re

NUCLEAR REACTIONS ¹²⁰Sn(⁵⁵Mn, 3n), E=257 MeV; measured Eγ, Iγ, γγ, three- and higher-fold coincidences, γγ(θ) ratios using Gammasphere array at ATLAS-ANL facility. ¹⁷²Re; deduced high-spin levels, J, π, bands, configurations, alignment plots.

doi: 10.1103/PhysRevC.90.017301
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2014YA30      Phys.Rev. C 90, 054325 (2014)

R.B.Yadav, W.C.Ma, J.C.Marsh, Q.A.Ijaz, R.V.F.Janssens, M.P.Carpenter, C.R.Hoffman, T.Lauritsen, S.Zhu, F.G.Kondev, G.Gurdal, G.B.Hagemann, D.J.Hartley, L.L.Riedinger, S.Mukhopadhyay

Multiple excitation modes in ¹⁶³Hf

NUCLEAR REACTIONS ⁹⁴Zr(⁷⁴Ge, 5n), E=330 MeV; measured Eγ, Iγ, multi-fold γγ-coin, γγ(θ)(DCO) using Gammasphere array at ATLAS-ANL facility. ¹⁶³Hf; deduced high-spin levels, J, π, multipolarity, bands, configurations, alignments, no evidence for triaxial strongly-deformed bands. Comparison with cranking model calculations using ULTIMATE CRANKER code. Systematics of proton crossing frequencies and aligned angular momenta in A=162-172 Hf isotopes, bandhead energies of 3/2[521] and 5/2[523] configurations in ¹⁵⁵Gd, ¹⁵⁷Dy, ¹⁵⁹Er, ¹⁶¹Yb, ¹⁶³Hf, and alignments in ¹⁵⁹Er and ¹⁶³Hf.

doi: 10.1103/PhysRevC.90.054325
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2013BV01      Phys.Rev. C 87, 044333 (2013)

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

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

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

doi: 10.1103/PhysRevC.87.044333
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2013HA02      Phys.Rev. C 87, 024315 (2013)

D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.Miller, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, U.Garg, G.Gurdal, S.S.Hota, F.G.Kondev, T.Lauritsen, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, E.E.Pedicini, J.R.Vanhoy, S.Zhu

Multiple band structures in ^{169, 170}Re: Search for the wobbling mode in ¹⁶⁹Re, and residual-interaction analysis of structures in ¹⁷⁰Re

NUCLEAR REACTIONS ¹¹⁸Sn(⁵⁵Mn, X), E=260 MeV; measured Eγ, Iγ, γγ-coin, using the Gammasphere. ^169,170Re; deduced levels, J, π, B(M1)/B(E2), bands, configurations; calculated B(M1)/B(E2).

NUCLEAR STRUCTURE ^164,166,168Lu, ^{166,168,170,172}Ta, ^170,172,174Re, ¹⁷⁶Ir; calculated residual interactions. ^{163,165,167,169,171}Lu, ^{165,167,169,171,173}Ta, ^{169,171,173,175}Re, ^173,175,177Ir; calculated relative levels of πi_13/2, πh_9/2, πh_11/2 bands.

doi: 10.1103/PhysRevC.87.024315
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2013HA36      Phys.Rev. C 88, 044323 (2013)

D.J.Hartley, E.E.Pedicini, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.Miller, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Cavey, C.J.Chiara, P.Chowdhury, U.Garg, S.S.Hota, E.G.Jackson, F.G.Kondev, T.Lauritsen, M.Litz, W.C.Ma, J.Matta, E.S.Paul, J.Simpson, J.R.Vanhoy, S.Zhu

Possible deformation evolution in the π i_13/2 structure of ¹⁷¹Re

NUCLEAR REACTIONS ¹²⁰Sn(⁵⁵Mn, 4n), E=257 MeV; measured Eγ, Iγ, γγ-coin, three- and higher-fold coincidences, angular correlation ratios using Gammasphere array at ATLAS-ANL facility. ¹⁷¹Re; deduced high-spin levels, J, π, multipolarity, rotational bands, alignments, configurations, B(M1)/B(E2), moment of inertia plots. No evidence found for wobbling mode of excitation. Comparison with cranked shell-model calculations.

doi: 10.1103/PhysRevC.88.044323
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2013MA73      Phys.Rev. C 88, 041306 (2013)

J.C.Marsh, W.C.Ma, G.B.Hagemann, R.V.F.Janssens, R.Bengtsson, H.Ryde, M.P.Carpenter, G.Gurdal, D.J.Hartley, C.R.Hoffman, Q.A.Ijaz, F.G.Kondev, T.Lauritsen, S.Mukhopadhyay, L.L.Riedinger, R.B.Yadav, S.Zhu

Identification of triaxial strongly deformed bands in ¹⁶⁴Hf

NUCLEAR REACTIONS ⁹⁴Zr(⁷⁴Ge, 4n), E=330 MeV; measured Eγ, Iγ, γγ-coin, four-fold γ coin using Gammasphere array at ATLAS-ANL facility. ¹⁶⁴Hf; deduced high-spin levels, J, π, normal-deformed and triaxial strongly-deformed (TSD) bands, configurations, alignments; calculated total energy surface contours. Cranked shell-model calculations using Ultimate Cranker computer code.

doi: 10.1103/PhysRevC.88.041306
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2012DA18      J.Phys.:Conf.Ser. 366, 012008 (2012)

M.Danchev, G.Rainovski, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir

One-phonon isovector 2⁺_{1, MS} state in the neutron rich nucleus ¹³²Te

NUCLEAR REACTIONS ¹²C(¹³²Te, ¹³²Te'), E=3 MeV/nucleon; measured thick target Coulomb excitation Eγ, Iγ, γγ-coin using CLARION array, ¹²C ions using HyBall, (¹²C)γ-coin; deduced Doppler corrected γ ray spectrum, σ to discrete states, B(E2), B(M1), μ for discrete transitions; calculated B(E2), B(M1), μ using shell model and one-phonon MSS (Mixed-Symmetry State); deduced 2⁺₂ as one-phonon MSS.

doi: 10.1088/1742-6596/366/1/012008
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2012OK04      Phys.Rev. C 86, 054305 (2012)

Y.Oktem, D.L.Balabanski, B.Akkus, L.Amon Susam, L.Atanasova, C.W.Beausang, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, E.Ganioglu, K.A.Gladnishki, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, G.Rainovski, L.L.Riedinger, T.Venkova, I.Yigitoglu, N.V.Zamfir, O.Zeidan

Triaxial deformation and nuclear shape transition in ¹⁹²Au

NUCLEAR REACTIONS ¹⁸⁶W(¹¹B, 5n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), linear polarization using YRAST Ball array at WNSL, Yale facility. ¹⁹²Au; deduced high-spin levels, J, π, multipolarity, branching ratios, alignments, bands, B(M1)/B(E2), configurations. Comparisons with pairing and deformation self-consistent total Routhian surface (TRS), and cranked shell model (CSM) calculations.

doi: 10.1103/PhysRevC.86.054305
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2012RA32      J.Phys.:Conf.Ser. 381, 012047 (2012)

G.Rainovski, M.Danchev, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir

On the origin of low-lying M1 strength in even-even nuclei

NUCLEAR REACTIONS ¹²C(¹³²Te, ¹³²Te'), E=3 MeV/nucleon; measured thick target Coulomb excitation Eγ, Iγ using CLARION array, scattered ions using HyBall array; deduced B(E2), B(M1); calculated ¹³²Te low-lying levels, J, π.

doi: 10.1088/1742-6596/381/1/012047
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2012WA39      J.Phys.:Conf.Ser. 381, 012065 (2012)

X.Wang, M.A.Riley, J.Simpson, E.S.Paul, R.V.F.Janssens, A.D.Ayangeakaa, H.C.Boston, M.P.Carpenter, C.J.Chiara, U.Garg, P.Hampson, D.J.Hartley, C.R.Hoffman, D.S.Judson, F.G.Kondev, T.Lauritsen, N.M.Lumley, J.Matta, S.Miller, P.J.Nolan, J.Oilier, M.Petri, D.C.Radford, J.M.Rees, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Unsworth, S.Zhu, I.Ragnarsson

Collective structures up to spin ∼ 65h-(bar) in the N = 90 isotones ¹⁵⁸Er and ¹⁵⁷Ho

NUCLEAR REACTIONS ¹¹⁴Cd(⁴⁸Ca, X)¹⁵⁸Er, E=215 MeV;¹²⁴Sn(³⁷Cl, X)¹⁵⁷Ho, E=177 MeV; measured Eγ, Iγ, γγ-coin using Compton-suppressed HPGe detectors of Gammasphere; analyzed Doppler shifts. ¹⁵⁸Er, ¹⁵⁷Ho deduced high-spin (ultrahigh-spin) rotational bands, transition quadrupole moments, Doppler shift vs Eγ.

doi: 10.1088/1742-6596/381/1/012065
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2012ZH22      Phys.Rev. C 85, 064307 (2012)

Y.C.Zhang, Q.A.Ijaz, W.C.Ma, G.B.Hagemann, M.P.Carpenter, P.Chowdhury, D.M.Cullen, M.K.Djongolov, D.J.Hartley, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, E.Ngiojoi-Yogo, S.Odegard, L.L.Riedinger, S.V.Rigby, D.G.Roux, D.T.Scholes, R.B.Yadav, S.Zhu

High-spin proton alignments and evidence for a second band with enhanced deformation in ¹⁷¹Hf

NUCLEAR REACTIONS ¹²⁸Te(⁴⁸Ca, 5n), E=209 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. ¹⁷¹Hf; deduced high-spin levels, J, π, rotational high-K and enhanced deformation bands, multipolarity, configurations, B(M1)/B(E2) ratios, alignments, band crossing frequencies. Comparison with cranked shell-model calculations.

doi: 10.1103/PhysRevC.85.064307
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2011DA21      Phys.Rev. C 84, 061306 (2011)

M.Danchev, G.Rainovski, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir

One-phonon isovector 2⁺_{1, MS} state in the neutron-rich nucleus ¹³²Te

NUCLEAR REACTIONS ¹²C(¹³²Te, ¹³²Te'), E=3 MeV/nucleon; measured Eγ, Iγ, (¹²C recoils)γ-coin using CLARION array and HyBall. ¹³²Te; deduced levels, one-phonon mixed-symmetry state (MSS) B(E2), B(M1) values for first 2+ states. Coulomb excitation. Comparison with previous measurements and shell-model calculations. ^132,134,136Te; reanalyzed B(E2) values for first 2+ states from an earlier experiment in 2002.

NUCLEAR MOMENTS ¹³²Te; reanalyzed g factor from an earlier experiment in 2005.

NUCLEAR STRUCTURE ¹³²Te; calculated levels, J, π, B(E2) using shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.061306
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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 ^{161,163,165,167}Lu, and ¹⁶⁷Ta.

doi: 10.1103/PhysRevC.83.064307
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2011MU02      Phys.Rev. C 83, 044311 (2011)

S.Mukhopadhyay, W.C.Ma, R.V.F.Janssens, M.P.Carpenter, C.J.Chiara, P.Chowdhury, D.M.Cullen, G.B.Hagemann, D.J.Hartley, S.S.Hota, Q.A.Ijaz, T.L.Khoo, F.G.Kondev, S.Lakshmi, T.Lauritsen, J.Marsh, L.L.Riedinger, Y.Toh, R.B.Yadav, S.Zhu

Quadrupole moment measurements for strongly deformed bands in ^{171, 172}Hf

NUCLEAR REACTIONS ¹²⁸Te(⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E=207 MeV; measured Eγ, Iγ, γγ-coin, DSAM using Gammasphere Spectrometer. ^171,172Hf; deduced half-lives, transition quadrupole moments for enhanced deformation (ED) and triaxial strongly-deformed (TSD) bands, dynamic moment of inertia plots. Comparison of transition quadrupole moments of ED and TSD bands in ¹⁶³Lu, ^{168,171,172,173,174,175}Hf. Cranking calculations using Ultimate Cranker code.

doi: 10.1103/PhysRevC.83.044311
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2011RE06      Phys.Rev. C 83, 044314 (2011)

J.M.Rees, E.S.Paul, M.A.Riley, J.Simpson, A.D.Ayangeakaa, H.C.Boston, M.P.Carpenter, C.J.Chiara, U.Garg, D.J.Hartley, R.V.F.Janssens, D.S.Judson, F.G.Kondev, T.Lauritsen, N.M.Lumley, J.Matta, P.J.Nolan, J.Ollier, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Unsworth, X.Wang, S.Zhu

Non-yrast positive-parity structures in the γ -soft nucleus ¹⁵⁶Er

NUCLEAR REACTIONS ¹¹⁴Cd(⁴⁸Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin, angular distributions using Gammasphere spectrometer. ¹⁵⁶Er; deduced levels, J, π, rotational bands, multipolarity, alignments, staggering parameter, configurations. Comparison with predictions of γ-rigid and γ-soft rotor model. Systematics of γ-vibrational bands for Z=68 isotopes and N=88 isotones.

doi: 10.1103/PhysRevC.83.044314
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2011WA14      Phys.Lett. B 702, 127 (2011)

X.Wang, M.A.Riley, J.Simpson, E.S.Paul, J.Ollier, R.V.F.Janssens, A.D.Ayangeakaa, H.C.Boston, M.P.Carpenter, C.J.Chiara, U.Garg, D.J.Hartley, D.S.Judson, F.G.Kondev, T.Lauritsen, N.M.Lumley, J.Matta, P.J.Nolan, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Unsworth, S.Zhu, I.Ragnarsson

Quadrupole moments of collective structures up to spin ∼ 65h in ¹⁵⁷Er and ¹⁵⁸Er: A challenge for understanding triaxiality in nuclei

NUCLEAR REACTIONS ¹¹⁴Cd(⁴⁸Ca, X)¹⁵⁷Er/¹⁵⁸Er, E=215 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced transition quadrupole moments for weakly populated collective bands, large deformations, stable triaxial shapes. Comparison with Nilsson-Strutinsky calculations.

doi: 10.1016/j.physletb.2011.07.007
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2010AG06      Phys.Rev. C 81, 064317 (2010)

A.Aguilar, D.J.Hartley, M.A.Riley, C.Teal, M.P.Carpenter, P.Chowdhury, M.Danchev, M.K.Djongolov, G.B.Hagemann, A.A.Hecht, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, W.C.Ma, W.H.Mohr, E.F.Moore, S.W.Odegard, L.L.Riedinger, G.Sletten, S.K.Tandel, J.R.Vanhoy, X.Wang, S.Zhu

Alignments, additivity, and signature inversion in odd-odd ¹⁷⁰Ta: A comprehensive high-spin study

NUCLEAR REACTIONS ¹²⁴Sn(⁵¹V, 5n), E=228 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. ¹⁷⁰Ta; deduced levels, J, π, rotational bands, configurations, Routhians, signature inversions, B(M1)/B(E2) ratios.

doi: 10.1103/PhysRevC.81.064317
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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
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2010MU13      Phys.Rev. C 82, 054316 (2010)

G.Mukherjee, P.Chowdhury, F.G.Kondev, P.M.Walker, G.D.Dracoulis, R.D'Alarcao, I.Shestakova, K.Abu Saleem, I.Ahmad, M.P.Carpenter, A.Heinz, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, I.Wiedenhoever, D.M.Cullen, C.Wheldon, D.L.Balabanski, M.Danchev, T.M.Goon, D.J.Hartley, L.L.Riedinger, O.Zeidan, M.A.Riley, R.A.Kaye, G.Sletten

K-hindered decay of a six-quasiparticle isomer in ¹⁷⁶Hf

NUCLEAR REACTIONS ¹³⁰Te(⁴⁸Ca, 2n), E=194 MeV; measured Eγ, Iγ, γγ-coin, half-lives using Gammasphere array. Beam-on, beam-off measurements of γ spectra. ¹⁷⁶Hf; deduced levels, J, π, rotational bands, isomers, multipolarity, configurations, reduced hindrance factors for K-isomers.

doi: 10.1103/PhysRevC.82.054316
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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
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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
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2009YA21      Phys.Rev. C 80, 064306 (2009)

R.B.Yadav, W.C.Ma, G.B.Hagemann, H.Amro, A.Bracco, M.P.Carpenter, J.Domscheit, S.Frattini, D.J.Hartley, B.Herskind, H.Hubel, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, B.Million, S.Odegard, L.L.Riedinger, K.A.Schmidt, S.Siem, G.Sletten, P.G.Varmette, J.N.Wilson, Y.C.Zhang

High-spin proton alignments and coexisting coupling schemes in ¹⁶⁸Hf

NUCLEAR REACTIONS ⁹⁶Zr(⁷⁶Ge, 4n), E=310 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Gammasphere array. ¹⁶⁸Hf; deduced levels, J, π, bands, multipolarity, B(M1)/B(E2) ratios, configurations, and enhanced deformation band. Comparison with cranked shell-model calculations.

doi: 10.1103/PhysRevC.80.064306
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2008YA20      Phys.Rev. C 78, 044316 (2008)

R.B.Yadav, W.C.Ma, G.B.Hagemann, R.Bengtsson, H.Ryde, H.Amro, A.Bracco, M.P.Carpenter, J.Domscheit, S.Frattini, D.J.Hartley, B.Herskind, H.Hubel, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, B.Million, S.Odegard, L.L.Riedinger, K.A.Schmidt, S.Siem, G.Sletten, P.G.Varmette, J.N.Wilson, Y.C.Zhang

Identification of triaxial strongly deformed bands in ¹⁶⁸Hf

NUCLEAR REACTIONS ⁹⁶Zr(⁷⁶Ge, 4n), E=310 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. ¹⁶⁸Hf; deduced levels, J, π, bands, configurations, strongly deformed triaxial bands. ^170,171,175Hf; systematics of bands. Comparison with cranked shell model calculations.

doi: 10.1103/PhysRevC.78.044316
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2007OK05      Phys.Rev. C 76, 044315 (2007); Erratum Phys.Rev. C 78, 069904 (2008)

Y.Oktem, D.L.Balabanski, B.Akkus, C.W.Beausang, M.Bostan, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladniski, G.Gurdal, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, N.Nikolov, J.R.Novak, G.Rainovski, L.L.Riedinger, I.Yigitoglu, N.V.Zamfir, O.Zeidan

High-spin states in ^{191, 193}Au and ¹⁹²Pt: Evidence for oblate deformation and triaxial shapes

NUCLEAR REACTIONS ¹⁸⁶W(¹¹B, 4n), (¹¹B, 4np), (¹¹B, 6n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), linear polarization.^191,193Au, ¹⁹²Pt deduced levels, J, π; calculated deformation parameters using Particle-Plus-Triaxial Rotor model.

doi: 10.1103/PhysRevC.76.044315
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2007ZH46      Phys.Rev. C 76, 064321 (2007)

Y.C.Zhang, W.C.Ma, A.V.Afanasjev, G.B.Hagemann, J.Begnaud, M.P.Carpenter, P.Chowdhury, D.M.Cullen, M.K.Djongolov, D.J.Hartley, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, E.F.Moore, E.Ngijoi-Yogo, S.Odegard, L.L.Riedinger, S.V.Rigby, D.G.Roux, D.T.Scholes, R.B.Yadav, J.-Y.Zhang, S.Zhu

Nuclear shapes of highly deformed bands in ^{171, 172}Hf and neighboring Hf isotopes

NUCLEAR REACTIONS ¹²⁸Te(⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E=209 MeV; measured Eγ, Iγ, γγ-coin. ^171,172Hf; deduced levels, J, π, configurations, superdeformed bands. ¹⁶³Lu, ^{170,173,174,175}Hf; systematics.

doi: 10.1103/PhysRevC.76.064321
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2006HA46      Phys.Rev. C 74, 054314 (2006); Erratum Phys.Rev. C 75, 029902 (2007)

D.J.Hartley, W.H.Mohr, J.R.Vanhoy, M.A.Riley, A.Aguilar, C.Teal, R.V.F.Janssens, M.P.Carpenter, A.A.Hecht, T.Lauritsen, E.F.Moore, S.Zhu, F.G.Kondev, M.K.Djongolov, M.Danchev, L.L.Riedinger, G.B.Hagemann, G.Sletten, P.Chowdhury, S.K.Tandel, W.C.Ma, S.W.Odegard

Multiple band structures in ¹⁶⁹Ta

NUCLEAR REACTIONS ¹²⁴Sn(⁵¹V, 6n), E=228 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶⁹Ta deduced high-spin levels, J, π, configurations. Gammasphere array.

doi: 10.1103/PhysRevC.74.054314
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2006RI13      Phys.Scr. T125, 123 (2006)

M.A.Riley, M.K.Djongolov, A.O.Evans, D.J.Hartley, R.V.F.Janssens, E.S.Paul, A.Pipidis, J.Simpson, A.A.Aguilar, D.E.Appelbe, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, P.T.W.Choy, R.M.Clark, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, A.Gorgen, G.B.Hagemann, D.T.Joss, J.Goon, R.A.Kaye, T.L.Khoo, F.G.Kondev, R.W.Laird, K.Lagergren, T.Lauritsen, A.O.Macchiavelli, B.McClain, E.F.Moore, G.Mukherjee, E.Ngijoi-Yogo, P.J.Nolan, H.I.Park, L.L.Riedinger, G.Sletten, S.K.Tandel, P.M.Walker, D.Ward, I.Ragnarsson, F.Saric, J.Zhang

Observation of states beyond band termination in ^{156, 157, 158}Er and strongly deformed structures in ^{173, 174, 175}Hf

NUCLEAR REACTIONS ¹¹⁴Cd(⁴⁸Ca, 4n), (⁴⁸Ca, 5n), (⁴⁸Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin. ^156,157,158Er deduced high-spin levels, states above band termination. Gammasphere array.

NUCLEAR STRUCTURE ^173,174,175Hf; analyzed data; deduced superdeformed bands features.

doi: 10.1088/0031-8949/2006/T125/028
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2005HA05      Phys.Lett. B 608, 31 (2005)

D.J.Hartley, M.K.Djongolov, L.L.Riedinger, G.B.Hagemann, R.V.F.Janssens, F.G.Kondev, E.F.Moore, M.A.Riley, A.Aguilar, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, J.Goon, R.A.Kaye, T.L.Khoo, R.W.Laird, T.Lauritsen, A.O.Macchiavelli, B.McClain, G.Mukherjee, E.Ngijoi-Yogo, H.I.Park, G.Sletten, S.K.Tandel, P.M.Walker, J.-Y.Zhang

Wobbling excitations in strongly deformed Hf nuclei?

NUCLEAR REACTIONS ¹³⁰Te(⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E=200, 205 MeV; measured Eγ, Iγ, γγ-coin, DSA. ¹⁷⁴Hf deduced superdeformed bands transitions, T_1/2, quadrupole moments. ¹⁷³Hf deduced superdeformed band transitions. Gammasphere array, comparisons with model predictions.

doi: 10.1016/j.physletb.2005.01.007
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2005HA71      Phys.Rev. C 72, 064325 (2005)

D.J.Hartley, W.H.Mohr, J.R.Vanhoy, M.A.Riley, A.Aguilar, C.Teal, R.V.F.Janssens, M.P.Carpenter, A.A.Hecht, T.Lauritsen, E.F.Moore, S.Zhu, F.G.Kondev, M.K.Djongolov, M.Danchev, L.L.Riedinger, G.B.Hagemann, G.Sletten, P.Chowdhury, S.K.Tandel, W.C.Ma, S.W.Odegard

Detailed high-spin spectroscopy and the search for the wobbling mode in ¹⁷¹Ta

NUCLEAR REACTIONS ¹²⁴Sn(⁵¹V, 4n), E=228 MeV; measured Eγ, Iγ, γγ-coin. ¹⁷¹Ta deduced high-spin levels, J, π, configurations. No wobbling sequence seen. Gammasphere array.

doi: 10.1103/PhysRevC.72.064325
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2005RI16      J.Phys.(London) G31, S1735 (2005)

M.A.Riley, M.K.Djongolov, A.O.Evans, D.J.Hartley, R.V.F.Janssens, E.S.Paul, J.Simpson, A.A.Aguilar, D.E.Appelbe, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, P.T.W.Choy, R.M.Clark, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, A.Gorgen, G.B.Hagemann, D.T.Joss, J.Goon, R.A.Kaye, T.L.Khoo, F.G.Kondev, R.W.Laird, K.Lagergren, T.Lauritsen, A.O.Macchiavelli, B.McClain, E.F.Moore, G.Mukherjee, E.Ngijoi-Yogo, P.J.Nolan, H.I.Park, A.Pipidis, L.L.Riedinger, G.Sletten, S.K.Tandel, P.M.Walker, D.Ward, I.Ragnarsson, F.Saric, J.Zhang

Beyond band termination in ¹⁵⁷Er and the search for wobbling excitations in strongly deformed ¹⁷⁴Hf

NUCLEAR REACTIONS ¹¹⁴Cd(⁴⁸Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. ¹⁵⁷Er deduced high-spin levels, J, π, band termination features. Gammasphere array.

NUCLEAR STRUCTURE ^173,174Hf; analyzed superdeformed band transitions fractional Doppler shifts, transition quadrupole moments.

doi: 10.1088/0954-3899/31/10/064
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2004BA91      Phys.Rev. C 70, 044305 (2004)

D.L.Balabanski, M.Danchev, D.J.Hartley, L.L.Riedinger, O.Zeidan, J.Zhang, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, R.Krucken, J.R.Novak, N.V.Zamfir, K.E.Zyromski

Possible assignment of chiral twin bands in ¹⁸⁸Ir

NUCLEAR REACTIONS ¹⁸⁶W(⁷Li, 5n), E=52 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁸Ir deduced high-spin levels, J, π, configurations, B(M1)/B(E2), chiral twin bands. Tilted-axis cranking calculations, level systematics in neighboring isotopes discussed.

doi: 10.1103/PhysRevC.70.044305
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2004GO38      Phys.Rev. C 70, 014309 (2004); Erratum Phys.Rev. C 70, 029902 (2004)

J.TM.Goon, D.J.Hartley, L.L.Riedinger, M.P.Carpenter, F.G.Kondev, R.V.F.Janssens, K.H.Abu Saleem, I.Ahmad, H.Amro, J.A.Cizewski, C.N.Davids, M.Danchev, T.L.Khoo, A.Heinz, T.Lauritsen, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, D.Seweryniak, M.B.Smith, I.Wiedenhover, J.Zhang

Shape coexistence and band crossings in ¹⁷⁴Pt

NUCLEAR REACTIONS ⁹²Mo(⁸⁴Sr, 2p), E=380 MeV; ⁹⁴Mo(⁸⁴Sr, 2n2p), E=385 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁷⁴Pt deduced high-spin levels, J, π, configurations, shape coexistence features. Gammasphere, fragment separator, cranked mean-field calculations.

RADIOACTIVITY ¹⁷⁴Pt(α) [from ^92,94Mo(⁸⁴Sr, xnyp)]; measured Eα.

doi: 10.1103/PhysRevC.70.014309
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2004MU16      Phys.Rev. C 69, 064315 (2004)

W.F.Mueller, W.Reviol, M.P.Carpenter, R.V.F.Janssens, F.G.Kondev, K.Abu Saleem, I.Ahmad, H.Amro, C.R.Bingham, J.Caggiano, C.N.Davids, D.Hartley, A.Heinz, B.Herskind, D.Jenkins, T.L.Khoo, T.Lauritsen, W.C.Ma, J.Ressler, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.G.Varmette, I.Wiedenhover, R.Wadsworth

High-spin states in ¹⁷⁹Au: Spectroscopy of shape-driving orbitals beyond the neutron midshell

NUCLEAR REACTIONS ¹⁰⁴Ru(⁷⁸Kr, 2np), E=340 MeV; ⁹⁰Zr(⁹⁰Zr, p), E=369, 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁷⁹Au deduced high-spin levels, J, π, configurations. Level systematics in neighboring isotopes compared. Gammasphere array, mass separator, recoil-decay tagging.

doi: 10.1103/PhysRevC.69.064315
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2004SC41      Phys.Rev. C 70, 054314 (2004)

D.T.Scholes, D.M.Cullen, F.G.Kondev, R.V.F.Janssens, M.P.Carpenter, D.J.Hartley, M.K.Djongolov, G.Sletten, G.Hagemann, C.Wheldon, P.M.Walker, K.Abu Saleem, I.Ahmad, D.L.Balabanski, P.Chowdhury, M.Danchev, G.D.Dracoulis, H.M.El-Masri, J.Goon, A.Heinz, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, E.F.Moore, L.L.Riedinger, M.A.Riley, D.Seweryniak, I.Shestakova, I.Wiedenhover, O.Zeidan, J.-ye.Zhang

Highly deformed Bands in ¹⁷⁵Hf

NUCLEAR REACTIONS ¹³⁰Te(⁴⁸Ca, 3n), E=194 MeV; measured Eγ, Iγ, γγ-coin. ¹⁷⁵Hf deduced high-spin levels, J, π, highly deformed bands. Gammasphere array, cranked mean field calculations.

doi: 10.1103/PhysRevC.70.054314
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2003CA05      Phys.Rev. C 67, 024305 (2003)

O.L.Caballero, F.Cristancho, D.Rudolph, C.Baktash, M.Devlin, L.L.Riedinger, D.G.Sarantites, C.-H.Yu

"Complete" high-spin structure of ⁵⁷Co

NUCLEAR REACTIONS ²⁸Si(³⁶Ar, 3pα), E=136 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ⁵⁷Co deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays. Shell model calculations.

doi: 10.1103/PhysRevC.67.024305
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2003DA06      Phys.Rev. C 67, 014312 (2003)

M.Danchev, D.J.Hartley, F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, L.L.Riedinger, K.H.Abu Saleem, I.Ahmad, H.Amro, D.L.Balabanski, J.A.Cizewski, C.N.Davids, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, M.B.Smith, D.Seweryniak, I.Wiedenhover

In-beam γ-ray spectroscopy of ¹⁷²Pt

NUCLEAR REACTIONS ⁹²Mo(⁸⁴Sr, 2n2p), E=390, 395 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁷²Pt deduced levels, possible J, π, configurations. Gammasphere array, recoil-decay tagging, level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.67.014312
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2003DA34      Phys.Rev. C 68, 054307 (2003)

M.Danchev, D.L.Balabanski, I.Yigitoglu, B.Akkus, C.W.Beausang, M.Bostan, R.F.Casten, M.K.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladnishki, G.Gurdal, J.TM.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, Y.Oktem, G.Rainovski, L.L.Riedinger, N.V.Zamfir, O.Zeidan

Delayed backbending in the πh_9/2 band of ¹⁸⁷Ir

NUCLEAR REACTIONS ¹⁷⁶Yb(¹⁵N, 4n), E=82 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁷Ir deduced high-spin levels, J, π, configurations. Rotational band systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.68.054307
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2003DJ01      Phys.Lett. B 560, 24 (2003)

M.K.Djongolov, D.J.Hartley, L.L.Riedinger, F.G.Kondev, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, D.L.Balabanski, M.P.Carpenter, P.Chowdhury, D.M.Cullen, M.Danchev, G.D.Dracoulis, H.El-Masri, J.Goon, A.Heinz, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, E.F.Moore, M.A.Riley, D.Seweryniak, I.Shestakova, G.Sletten, P.M.Walker, C.Wheldon, I.Wiedenhover, O.Zeidan, J.-Y.Zhang

Extending the region of triaxial superdeformation: candidate TSD bands in ¹⁷⁴Hf

NUCLEAR REACTIONS ¹³⁰Te(⁴⁸Ca, 4n), E=194 MeV; measured Eγ, Iγ, γγ-coin. ¹⁷⁴Hf deduced triaxial superdeformed bands. Gammasphere array, cranked mean-field calculations, comparisons with neighboring nuclides.

doi: 10.1016/S0370-2693(03)00328-9
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2003PA41      Phys.Rev. C 68, 044323 (2003)

H.I.Park, D.J.Hartley, L.L.Riedinger, W.Reviol, O.Zeidan, J.-Y.Zhang, A.Galindo-Uribarri, R.V.F.Janssens M.P.Carpenter, D.Seweryniak, D.G.Sarantites, M.Devlin, B.G.Dong, I.Ragnarsson

Rotational structures near 40(h-bar) in ¹²³La

NUCLEAR REACTIONS ⁹²Mo(⁴⁰Ca, p2α), E=184 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ¹²³La deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.68.044323
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2003SM01      Phys.Lett. 551B, 262 (2003)

M.B.Smith, J.A.Cizewski, M.P.Carpenter, F.G.Kondev, T.L.Khoo, T.Lauritsen, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, I.Wiedenhover

Limits of the energy-spin space beyond the proton drip line: entry distributions of Pt and Au isobars

NUCLEAR REACTIONS ^92,94,96Mo(⁸⁴Sr, xnyp)^173mAu/¹⁷⁵Au/¹⁷²Pt/¹⁷³Pt/¹⁷⁴Pt/¹⁷⁵Pt/¹⁷⁶Pt, E=380-390 MeV; measured Eγ, Iγ, (recoil)γ-coin, γ multiplicity and sum energy; deduced compound nuclei energy-spin entry distributions. Gammasphere, mass separator, recoil-decay tagging.

doi: 10.1016/S0370-2693(02)03051-4
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2002HA20      Phys.Rev. C65, 044329 (2002)

D.J.Hartley, L.L.Riedinger, M.Danchev, W.Reviol, O.Zeidan, J.-Y.Zhang, A.Galindo-Uribarri, C.J.Gross, C.Baktash, M.Lipoglavsek, S.D.Paul, D.C.Radford, C.-H.Yu, D.G.Sarantites, M.Devlin, M.P.Carpenter, R.V.F.Janssens, D.Seweryniak, E.Padilla

Toward Complete Spectroscopy of ¹²⁸Pr and Rotational Structures in ¹²⁶Pr

NUCLEAR REACTIONS ⁹²Mo(⁴⁰Ca, n3p), (⁴⁰Ca, npα), E=170, 184 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (recoil)γ-coin. ^126,128Pr deduced high-spin levels, J, π, B(M1)/B(E2), configurations. Gammasphere, Microball, Clarion, Hyball arrays. Systematics of signature splitting in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.65.044329
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2002KO09      Phys.Lett. 528B, 221 (2002)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, C.J.Lister, K.Abu Saleem, I.Ahmad, H.Amro, J.Caggiano, C.N.Davids, A.Heinz, B.Herskind, T.L.Khoo, T.Lauritsen, W.C.Ma, J.J.Ressler, W.Reviol, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.A.Sonzogni, P.G.Varmette, I.Wiedenhover

First Observation of Excited Structures in Neutron-Deficient ¹⁷⁹Hg: Evidence for multiple shape coexistence

NUCLEAR REACTIONS ⁹⁰Zr(⁹⁰Zr, n), E=369, 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁷⁹Hg deduced high-spin levels, J, π, configurations, deformation. Gammasphere array, mass separator, recoil-decay tagging.

RADIOACTIVITY ¹⁷⁹Hg(α) [from ⁹⁰Zr(⁹⁰Zr, n)]; measured Eα, Eγ, αγ-coin, T_1/2. ¹⁷⁹Hg deduced ground-state J, π.

doi: 10.1016/S0370-2693(02)01221-2
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2002ST06      Phys.Rev. C65, 034323 (2002)

E.A.Stefanova, M.Danchev, R.Schwengner, D.L.Balabanski, M.P.Carpenter, M.Djongolov, S.M.Fischer, D.J.Hartley, R.V.F.Janssens, W.F.Mueller, D.Nisius, W.Reviol, L.L.Riedinger, O.Zeidan

Structure of High-Spin States in ⁹¹Sr and ⁹²Sr

NUCLEAR REACTIONS ¹⁵⁹Tb(³⁶S, X)⁹¹Sr/⁹²Sr, E=165 MeV; measured Eγ, Iγ, γγ-coin. ^91,92Sr deduced high-spin levels, J, π, configurations. Gammasphere array, comparison with shell-model results.

doi: 10.1103/PhysRevC.65.034323
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2002ZE01      Phys.Rev. C65, 024303 (2002)

O.Zeidan, D.J.Hartley, L.L.Riedinger, M.Danchev, W.Reviol, W.D.Weintraub, J.-Z.Zhang, A.Galindo-Uribarri, C.J.Gross, S.D.Paul, C.Baktash, M.Lipoglavsek, D.C.Radford, C.H.Yu, D.G.Sarantites, M.Devlin, M.P.Carpenter, R.V.F.Janssens, D.Seweryniak, E.Padilla

Rotational Structures in ¹²⁹Nd and Signature Splitting Systematics of the νh_11/2 Bands in A ∼ 130 Nuclei

NUCLEAR REACTIONS ⁹²Mo(⁴⁰Ca, n2p), E=170, 184 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (recoil)γ-coin. ¹²⁹Nd deduced high-spin levels, J, π, B(M1)/B(E2), configurations. Level systematics in neighboring nuclides discussed. Gammasphere, Microball, Clarion, HyBall arrays, mass separator.

doi: 10.1103/PhysRevC.65.024303
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2002ZE09      Phys.Rev. C66, 044311 (2002)

O.Zeidan, D.J.Hartley, L.L.Riedinger, W.Reviol, W.D.Weintraub, Y.Sun, J.-y.Zhang, A.Galindo-Uribarri, S.D.Paul, D.G.Sarantites, M.Devlin, M.P.Carpenter, R.V.F.Janssens, D.Seweryniak

Yrast spectroscopy of ₆₀¹²⁸Nd₆₈ and systematics of the νh_11/2 crossing in A ∼ 130 nuclei

NUCLEAR REACTIONS ⁹²Mo(⁴⁰Ca, 2n2p), E=184 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ¹²⁸Nd deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays. Cranked mean-field analysis, rotational-band systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.66.044311
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2001AM02      Phys.Lett. 506B, 39 (2001)

H.Amro, P.G.Varmette, W.C.Ma, B.Herskind, G.B.Hagemann, G.Sletten, R.V.F.Janssens, M.Bergstrom, A.Bracco, M.Carpenter, J.Domscheit, S.Frattini, D.J.Hartley, H.Hubel, T.L.Khoo, F.Kondev, T.Lauritsen, C.J.Lister, B.Million, S.W.Odegard, R.B.Piercey, L.L.Riedinger, K.A.Schmidt, S.Siem, I.Wiedenhover, J.N.Wilson, J.A.Winger

First Evidence for Triaxial Superdeformation in ¹⁶⁸Hf

NUCLEAR REACTIONS ⁹⁶Zr(⁷⁶Ge, 4n), E=310 MeV; measured Eγ, Iγ, γγ-coin, DSA. ¹⁶⁸Hf deduced high-spin levels, J, π, superdeformed bands, transition quadrupole moments, moments of inertia. Comparison with cranked Shellmodel calculations. Gammasphere array.

doi: 10.1016/S0370-2693(01)00369-0
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2001HA03      Phys.Rev. C63, 024316 (2001)

D.J.Hartley, W.Reviol, L.L.Riedinger, H.Q.Jin, B.H.Smith, N.Yoder, O.Zeidan, A.Galindo-Uribarri, D.G.Sarantites, D.R.LaFosse, J.N.Wilson, S.M.Mullins

Yrast Spectroscopy of ¹³⁰Nd and Evidence of a Highly Deformed Band

NUCLEAR REACTIONS ⁹⁴Mo(⁴⁰Ca, 2n2p), E=180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ¹³⁰Nd deduced high-spin levels, J, π, configurations, highly deformed band. Gammasphere, Microball arrays. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.63.024316
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2001HA16      Phys.Rev. C63, 041301 (2001)

D.J.Hartley, A.Galindo-Uribarri, C.Baktash, M.P.Carpenter, M.Danchev, M.Devlin, C.J.Gross, R.V.F.Janssens, M.Lipoglavsek, E.Padilla, S.D.Paul, D.C.Radford, W.Reviol, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, C.-H.Yu, O.Zeidan

First Evidence of Excited States in the Near-Drip-Line Nucleus ¹²⁶Pr and Signature Inversion in A ≈ 130 Nuclei

NUCLEAR REACTIONS ⁹²Mo(⁴⁰Ca, npα), (⁴⁰Ca, n3p), E=170, 184 MeV; measured Eγ, Iγ, (recoil)γ-, (charged particle)γ-, γγ-coin. ^126,128Pr deduced high-spin levels, J, π, rotational bands, configurations, signature inversion. Gammasphere, Clarion, Hyball, and Microball arrays.

doi: 10.1103/PhysRevC.63.041301
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2001HA47      Phys.Rev. C64, 031304 (2001)

D.J.Hartley, L.L.Riedinger, M.A.Riley, D.L.Balabanski, F.G.Kondev, R.W.Laird, J.Pfohl, D.E.Archer, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, I.M.Hibbert, D.T.Joss, D.R.LaFosse, P.J.Nolan, N.J.O'Brien, E.S.Paul, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth, J.-Y.Zhang, P.B.Semmes, F.Donau

Detailed Spectroscopy of the Chiral-Twin Candidate Bands in ¹³⁶Pm

NUCLEAR REACTIONS ¹⁰⁵Pd(³⁵Cl, 2n2p), E=173 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ¹³⁶Pm deduced high-spin levels, J, π, configurations, B(M1), B(E2). Comparisons with neighboring nuclides, model predictions. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.64.031304
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2001JE09      Nucl.Phys. A695, 3 (2001)

H.J.Jensen, R.A.Bark, P.O.Tjom, G.B.Hagemann, I.G.Bearden, H.Carlsson, S.Leoni, T.Lonnroth, W.Reviol, L.L.Riedinger, H.Schnack-Petersen, T.Shizuma, X.Z.Wang, J.Wrzesinski

General Properties of the πh_9/2[541]1/2^- Configuration and Level Scheme of ¹⁶⁵Tm

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁹F, 4n), E=85 MeV; ¹⁵⁴Sm(¹⁵N, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. ¹⁶⁵Tm deduced high-spin levels, J, π, rotational band structure, transition quadrupole moments, configurations, alignments, B(M1)/B(E2) and B(E1)/B(E2). Nordball array. Potential energy surface calculations, cranked mean-field calculations.

NUCLEAR STRUCTURE ^{162,164,166,168,170}Er, ^{163,165,167,169,171}Tm, ^{164,166,168,170,172}Yb, ^{165,167,169,171,173}Lu, ^{166,168,170,172,174}Hf, ^{167,169,171,173,175}Ta, ^{168,170,172,174,176}W; calculated deformation parameters; analyzed rotational bands features. Cranked mean-field approach.

doi: 10.1016/S0375-9474(01)01111-3
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2001KO13      Nucl.Phys. A682, 487c (2001)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, M.Alcorta, H.Amro, J.Caggiano, J.A.Cizewski, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, B.Herskind, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, S.Siem, M.B.Smith, A.A.Sonzogni, P.G.Varmette, I.Wiedenhover

First Observation of Excited Structures in Neutron Deficient, Odd-Mass Pt, Au and Hg Nuclei

NUCLEAR REACTIONS ⁹⁰Zr(⁹⁰Zr, n), E=369, 380 MeV; ^90,91Zr(⁹⁰Zr, X), ^92,94,96Mo(⁸⁴Sr, X), E ≈ 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁷⁹Hg, ^173,175,177Au deduced levels, J, π. Gammasphere array, recoil-decay tagging.

RADIOACTIVITY ¹⁷⁹Hg(α) [from ⁹⁰Zr(⁹⁰Zr, n)]; measured Eγ, Iγ, γγ-coin. ¹⁷⁵Pt deduced levels, J, π. Gammasphere array, recoil-decay tagging.

doi: 10.1016/S0375-9474(00)00677-1
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2001KO44      Phys.Lett. 512B, 268 (2001)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, J.A.Cizewski, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, M.B.Smith, I.Wiedenhover

Identification of Excited Structures in Proton Unbound Nuclei ^{173, 175, 177}Au: Shape co-existence and intruder bands

NUCLEAR REACTIONS ^92,94,96Mo(⁸⁴Sr, 2np), E ≈ 380-395 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ^173,175,177Au deduced high-spin levels, J, π, configurations. Gammasphere array, mass separator, recoil decay tagging.

doi: 10.1016/S0370-2693(01)00714-6
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2001RI19      Acta Phys.Pol. B32, 2613 (2001)

L.L.Riedinger, D.J.Hartley, A.Galindo-Uribarri, B.H.Smith, C.Baktash, M.P.Carpenter, M.Danchev, M.Devlin, C.J.Gross, R.V.F.Janssens, M.Lipoglavsek, S.D.Paul, D.C.Radford, W.Reviol, D.G.Sarantites, D.Seweryniak, C.-H.Yu, O.Zeidan

Signature Inversion in Odd-Odd Nuclei

NUCLEAR STRUCTURE ^{120,122,124,126,128,130}Cs, ^{124,126,128,130,132}La, ^{126,128,130,132,134}Pr, ^132,134,136Pm, ¹⁵²Eu, ^154,156Tb, ^{156,158,160,162}Ho, ^{158,160,162,164}Tm, ^162,164,166Lu; analyzed rotational bands transitions energies, configurations, signature inversion features.

2001RU03      Phys.Rev.Lett. 86, 1450 (2001)

D.Rudolph, C.Baktash, M.Devlin, D.R.LaFosse, L.L.Riedinger, D.G.Sarantites, C.-H.Yu

Prompt α Decay of a Well-Deformed Band in ⁵⁸Ni

NUCLEAR REACTIONS ²⁸Si(³⁶Ar, 2pα), E=143 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ⁵⁸Ni deduced high-spin levels, J, π, configurations, α-decay from excited band. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevLett.86.1450
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2001SC49      Eur.Phys.J. A 12, 15 (2001)

K.A.Schmidt, M.Bergstrom, G.B.Hagemann, B.Herskind, G.Sletten, P.G.Varmette, J.Domscheit, H.Hubel, S.W.Odegard, S.Frattini, A.Bracco, B.Million, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, C.J.Lister, S.Siem, I.Wiedenhover, D.J.Hartley, L.L.Riedinger, A.Maj, W.C.Ma, R.Terry

Study of ¹⁶⁹Hf at High Rotational Frequency

NUCLEAR REACTIONS ⁹⁶Zr(⁷⁶Ge, 3n), E=310 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶⁹Hf deduced high-spin levels, J, π, configurations. Gammasphere array, cranked mean-field calculations.

doi: 10.1007/s100500170035
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2001SM04      Nucl.Phys. A682, 433c (2001)

M.B.Smith, J.A.Cizewski, M.P.Carpenter, F.G.Kondev, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, I.Wiedenhover

Systematic Study of Energy-Spin Entry Distributions at the Proton Dripline in the A ∼ 170 Region

NUCLEAR REACTIONS ^92,94,96Mo(⁸⁴Sr, xnyp)¹⁷³Pt/¹⁷⁴Pt/¹⁷⁵Pt/¹⁷⁶Pt/¹⁷⁷Pt/¹⁷³Au/^173mAu/¹⁷⁴Au/¹⁷⁵Au/¹⁷⁷Au/^177mAu/¹⁷⁷Hg, E not given; measured Eγ, Iγ, (recoil)γ-, γγ-coin, multiplicity and sum-energy distributions; deduced energy-spin entry distributions. Gammasphere, fragment mass analyzer, recoil-decay tagging.

doi: 10.1016/S0375-9474(00)00670-9
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2000GH01      Phys.Rev. C61, 024302 (2000); Erratum Phys.Rev. C62, 029902 (2000)

S.S.Ghugre, B.Kharraja, U.Garg, R.V.F.Janssens, M.P.Carpenter, B.Crowell, T.L.Khoo, T.Lauritsen, D.Nisius, W.Reviol, W.F.Mueller, L.L.Riedinger, R.Kaczarowski

Level Structure of ^{94, 95, 96}Tc at High Spins and Shell-Model Calculations

NUCLEAR REACTIONS ⁶⁵Cu(³⁶S, nα), (³⁶S, 2nα), (³⁶S, 3nα), E=142 MeV; measured Eγ, Iγ, γγ-coin; deduced relative yields. ^94,95,96Tc deduced high-spin levels, J, π. Gammasphere array. Comparison with shell model.

doi: 10.1103/PhysRevC.61.024302
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2000HA16      Phys.Rev. C61, 044328 (2000)

D.J.Hartley, W.Reviol, L.L.Riedinger, D.L.Balabanski, H.Q.Jin, B.H.Smith, O.Zeidan, J.-Y.Zhang, A.Galindo-Uribarri, D.G.Sarantites, D.R.LaFosse, J.N.Wilson, S.M.Mullins

Multiple Band Interactions in ¹³¹Nd

NUCLEAR REACTIONS ⁹⁴Mo(⁴⁰Ca, n2p), E=180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ¹³¹Nd deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Gammasphere, Microball arrays. Signature splitting in neighboring isotopes discussed. Three-band mixing calculations.

doi: 10.1103/PhysRevC.61.044328
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2000KH02      Phys.Rev. C61, 024301 (2000)

B.Kharraja, U.Garg, S.S.Ghugre, H.Jin, R.V.F.Janssens, I.Ahmad, H.Amro, M.P.Carpenter, S.Fischer, T.L.Khoo, T.Lauritsen, D.Nisius, W.Reviol, W.F.Mueller, L.L.Riedinger, R.Kaczarowski, E.Ruchowska, W.C.Ma, I.M.Govil

Recoil-Distance Lifetime Measurements in ^{96, 97, 98}Ru: Search for possible onset of collectivity at N ≥ 52

NUCLEAR REACTIONS ⁶⁵Cu(³⁶S, 2np), (³⁶S, 3np), (³⁶S, 4np), E=142 MeV; measured Doppler shifted Eγ, Iγ, γγ-coin. ^96,97,98Ru deduced high-spin levels J, π, T_1/2, B(E2), collectivity features. Recoil distance technique. Comparison with shell model.

doi: 10.1103/PhysRevC.61.024301
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2000KO01      Phys.Rev. C61, 011303 (2000)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover, M.Alcorta, P.Bhattacharyya, L.T.Brown, C.N.Davids, S.M.Fischer, T.L.Khoo, T.Lauritsen, C.J.Lister, R.Nouicer, W.Reviol, L.L.Riedinger, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.J.Woods

Complex Band Structure in Neutron-Deficient ¹⁷⁸Hg

NUCLEAR REACTIONS ¹⁰³Rh(⁷⁸Kr, 2np), E=350 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁷⁸Hg deduced high-spin levels, J, π, configurations. Gammasphere array, fragment analyzer. Recoil-decay tagging technique.

doi: 10.1103/PhysRevC.61.011303
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2000KO16      Phys.Rev. C61, 044323 (2000)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover, M.Alcorta, L.T.Brown, C.N.Davids, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.Bhattacharyya, S.M.Fischer, W.Reviol, L.L.Riedinger, R.Nouicer

High-Spin Collective Structures in ¹⁷⁸Pt

NUCLEAR REACTIONS ¹⁰³Rh(⁷⁸Kr, 3p), E=350 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁷⁸Pt deduced levels, J, π, configurations, B(E1)/B(E2). Gammasphere array, fragment mass analyzer.

RADIOACTIVITY ¹⁷⁸Pt(α) [from ¹⁰³Rh(⁷⁸Kr, 3p)]; measured Eα, Iα, T_1/2; deduced reduced width, hindrance factor. Comparison with neighboring isotopes.

doi: 10.1103/PhysRevC.61.044323
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2000KO48      Phys.Rev. C62, 044305 (2000)

F.G.Kondev, R.V.F.Janssens, M.P.Carpenter, K.Abu Saleem, I.Ahmad, M.Alcorta, H.Amro, P.Bhattacharyya, L.T.Brown, J.Caggiano, C.N.Davids, S.M.Fischer, A.Heinz, B.Herskind, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, R.Nouicer, J.Ressler, W.Reviol, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.Sonzogni, J.Uusitalo, P.G.Varmette, I.Wiedenhover

Interplay between Octupole and Quasiparticle Excitations in ¹⁷⁸Hg and ¹⁸⁰Hg

NUCLEAR REACTIONS ¹⁰³Rh(⁷⁸Kr, 2np), E=350 MeV; ^{90,91,92,94,96}Zr(⁹⁰Zr, X)¹⁸⁰Hg, E ≈ 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ^178,180Hg deduced high-spin levels, J, π, configurations. Gammasphere array, recoil mass separator, recoil-decay tagging technique. Comparisons with neighboring nuclides.

doi: 10.1103/PhysRevC.62.044305
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2000RE04      Phys.Rev. C61, 044310 (2000)

W.Reviol, M.P.Carpenter, R.V.F.Janssens, D.Jenkins, K.S.Toth, C.R.Bingham, L.L.Riedinger, W.Weintraub, J.A.Cizewski, T.Lauritsen, D.Seweryniak, J.Uusitalo, I.Wiedenhover, R.Wadsworth, N.Wilson, C.J.Gross, J.C.Batchelder, K.Helariutta, S.Juutinen

Prolate Yrast Cascade in ¹⁸³Tl

NUCLEAR REACTIONS ¹⁰⁸Pd(⁷⁸Kr, 2np), E=340 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁸³Tl deduced high-spin levels, J, π, rotational band features. Gammasphere array, fragment mass analyzer.

doi: 10.1103/PhysRevC.61.044310
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2000RI18      Trans.Bulg.Nucl.Soc. 5, 121 (2000)

L.L.Riedinger, D.J.Hartley, W.Reviol, O.Zeidan, J.-Y.Zhang

Rotational Bands Built on Intruder States in Deformed Nuclei

NUCLEAR STRUCTURE ^{131,133,135,137}Nd, ^131,132Pr, ¹⁶³Lu, ¹⁷⁷Re, ¹⁷⁹Ir, ¹⁸¹Au; analyzed rotational bands excitation energies, moments of inertia, deformation effects, related features.

1999BA84      Nucl.Phys. A657, 113 (1999)

R.A.Bark, S.Tormanen, T.Back, B.Cederwall, S.W.Odegard, J.F.C.Cocks, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Rahkila, A.Savelius, M.Bergstrom, F.Ingebretsen, A.Maj, M.Mattiuzzi, W.Mueller, L.L.Riedinger, T.Saitoh, P.O.Tjom

Coexistence of Triaxial and Prolate Shapes in ¹⁷¹Ir

NUCLEAR REACTIONS ¹¹⁶Sn(⁵⁸Ni, 2np), E=260, 267 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin. ¹⁷¹Ir deduced high-spin levels, J, π, rotational band structure, configurations, triaxiality, shaped-coexistance, band mixing. Cranked mean-field calculations, potential energy surfaces, tilted-axis cranking.

doi: 10.1016/S0375-9474(99)00319-X
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1999DO26      Phys.Lett. 450B, 313 (1999)

F.Donau, J.-Y.Zhang, L.L.Riedinger

Restoration of the Broken D2-Symmetry in the Mean Field Description of Rotating Nuclei

NUCLEAR STRUCTURE ¹⁷⁵Hf; calculated Routhians, B(M1), B(E2); deduced signature splitting mechanism, symmetry restoration. Tilted, principle axis cranking states.

doi: 10.1016/S0370-2693(99)00180-X
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1999HA29      Phys.Rev. C60, 014308 (1999)

D.J.Hartley, L.L.Riedinger, H.Q.Jin, W.Reviol, B.H.Smith, A.Galindo-Uribarri, D.G.Sarantites, D.R.LaFosse, J.N.Wilson, S.M.Mullins

Rotational Structures in ¹²⁵La and Alignments in A ≈ 130 Nuclei

NUCLEAR REACTIONS ⁹⁴Mo(⁴⁰Ca, p2α), E=180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ¹²⁵La deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Alignment systematics in mass region discussed. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.60.014308
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1999HA52      Phys.Rev. C60, 041301 (1999)

D.J.Hartley, W.Reviol, L.L.Riedinger, F.G.Kondev, A.Galindo-Uribarri, D.G.Sarantites, H.Q.Jin, D.R.LaFosse, S.M.Mullins, B.H.Smith, J.N.Wilson

Migration from the Normal to the Highly Deformed Minimum in ¹³¹Nd

NUCLEAR REACTIONS ⁹⁴Mo(⁴⁰Ca, n2p), E=180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ¹³¹Nd deduced high-spin levels, J, π, configurations, highly-deformed band. Gammasphere, Microball arrays. TRS calculations.

doi: 10.1103/PhysRevC.60.041301
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1999MU05      Phys.Rev. C59, 2009 (1999)

W.F.Mueller, H.Q.Jin, J.M.Lewis, W.Reviol, L.L.Riedinger, M.P.Carpenter, C.Baktash, J.D.Garrett, N.R.Johnson, I.Y.Lee, F.K.McGowan, C.-H.Yu, S.Cwiok

High-Spin Structure in ^{181, 183}Au

NUCLEAR REACTIONS ¹⁵²Sm(³⁵Cl, 4n), E=170 MeV; ¹⁵⁰Sm(³⁵Cl, 4n), E=168 MeV; measured Eγ, Iγ, γγ-coin. ^181,183Au deduced high-spin levels, J, π, configurations, rotational band features.

NUCLEAR STRUCTURE ^{169,171,173,175,177,179}Re, ^{171,173,175,177,179,181,183}Ir, ^{177,179,181,183,185}Au; calculated bandhead excitation energies, configurations, deformation parameters. ¹⁷⁹Ir, ^181,183,185Au; calculated Routhians, B(M1)/B(E2). Macroscopic-microscopic shell correction model.

doi: 10.1103/PhysRevC.59.2009
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1999RE05      Phys.Rev. C59, 1351 (1999)

W.Reviol, L.L.Riedinger, X.Z.Wang, J.-Y.Zhang, H.J.Jensen, G.B.Hagemann, R.A.Bark, P.O.Tjom, S.Leoni, T.Lonnroth, H.Schnack-Petersen, T.Shizuma, J.Wrzesinski, P.B.Semmes

Residual Interactions and Tilted Rotation in Odd-Odd ¹⁶⁴Tm

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁹F, 5n), E=85 MeV; measured Eγ, Iγ(θ), γγ(t). ¹⁶⁴Tm deduced high-spin levels, J, π, rotational bands, configurations, B(M1)/B(E2), isomeric states T_1/2. Nordball array.

NUCLEAR STRUCTURE ¹⁶⁴Tm; calculated rotational bands features, B(M1)/B(E2), signature splitting; deduced proton-neutron interaction role. Particle-rotor model, tilted-axis cranking model calculations.

doi: 10.1103/PhysRevC.59.1351
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1999RU01      Eur.Phys.J. A 4, 115 (1999)

D.Rudolph, C.Baktash, M.J.Brinkman, M.Devlin, H.-Q.Jin, D.R.LaFosse, L.L.Riedinger, D.G.Sarantites, C.-H.Yu

High-Spin Shell-Model States Near ⁵⁶Ni

NUCLEAR REACTIONS ²⁸Si(³⁶Ar, xnypzα), E=136 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. ⁵⁴Fe, ^54,55Co, ^56,57Ni, ⁵⁸Cu deduced high-spin levels, J, π, δ, configurations. Gammasphere, Microball arrays.

NUCLEAR STRUCTURE ⁵⁴Fe, ^54,55Co, ^56,57Ni, ⁵⁸Cu; calculated levels, J, π. Shell model.

doi: 10.1007/s100500050212
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1999RU02      Phys.Rev.Lett. 82, 3763 (1999)

D.Rudolph, C.Baktash, M.J.Brinkman, E.Caurier, D.J.Dean, M.Devlin, J.Dobaczewski, P.-H.Heenen, H.-Q.Jin, D.R.LaFosse, W.Nazarewicz, F.Nowacki, A.Poves, L.L.Riedinger, D.G.Sarantites, W.Satula, C.-H.Yu

Rotational Bands in the Doubly Magic Nucleus ⁵⁶Ni

NUCLEAR REACTIONS ²⁸Si(³⁶Ar, 2α), E=143 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ⁵⁶Ni deduced high-spin levels, J, π, configurations, possible proton decay from rotational band. Gammasphere, microball arrays. Cranked mean-field calculations.

doi: 10.1103/PhysRevLett.82.3763
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1999SV01      Phys.Rev.Lett. 82, 3400 (1999)

C.E.Svensson, D.Rudolph, C.Baktash, M.A.Bentley, J.A.Cameron, M.P.Carpenter, M.Devlin, J.Eberth, S.Flibotte, A.Galindo-Uribarri, G.Hackman, D.S.Haslip, R.V.F.Janssens, D.R.LaFosse, T.J.Lampman, I.Y.Lee, F.Lerma, A.O.Macchiavelli, J.M.Nieminen, S.D.Paul, D.C.Radford, P.Reiter, L.L.Riedinger, D.G.Sarantites, B.Schaly, D.Seweryniak, O.Thelen, H.G.Thomas, J.C.Waddington, D.Ward, W.Weintraub, J.N.Wilson, C.H.Yu, A.V.Afanasjev, I.Ragnarsson

Decay Out of the Doubly Magic Superdeformed Band in the N = Z Nucleus ⁶⁰Zn

NUCLEAR REACTIONS ⁴⁰Ca(²⁸Si, 2α), E=125 MeV; ⁴⁰Ca(³²S, 3α), E=134 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ⁶⁰Zn deduced high-spin levels, J, π, superdeformed band quadrupole moment, linking transitions, B(E2). Gammasphere, Microball arrays.

doi: 10.1103/PhysRevLett.82.3400
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1999ZH12      J.Phys.(London) G25, 819 (1999)

J.-Y.Zhang, Y.Sun, L.L.Riedinger, M.Guidry

Does an Independent Quasiparticle Picture Hold in Mass-190 Superformed Nuclei ?

NUCLEAR STRUCTURE ^190,191Hg, ^191,192Tl; analyzed superdeformed bands relative spins; deduced deviations from additivity. Projected shell model, independent quasiparticle picture.

doi: 10.1088/0954-3899/25/4/045
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1998GH07      Phys.Rev. C58, 3243 (1998)

S.S.Ghugre, B.Kharraja, U.Garg, R.V.F.Janssens, M.P.Carpenter, B.Crowell, T.L.Khoo, T.Lauritsen, D.Nisius, W.Mueller, W.Reviol, L.L.Riedinger, R.Kaczarowski

High-Spin States in ^{97, 98}Rh

NUCLEAR REACTIONS ⁶⁵Cu(³⁶S, 3n), (³⁶S, 4n), E=142 MeV; measured Eγ, Iγ, γγ-coin. ^97,98Rh deduced high-spin levels, J, π, configurations. Gammasphere. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.58.3243
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1998KH01      Phys.Rev. C57, 83 (1998)

B.Kharraja, S.S.Ghugre, U.Garg, R.V.F.Janssens, M.P.Carpenter, B.Crowell, T.L.Khoo, T.Lauritsen, D.Nisius, W.Reviol, W.F.Mueller, L.L.Riedinger, R.Kaczarowski

Level Structures of ^96,97,98Ru at High Angular Momentum

NUCLEAR REACTIONS ⁶⁵Cu(³⁶S, 2np), (³⁶S, 3np), (³⁶S, 4np), E=142 MeV; measured Eγ, Iγ, γγ-coin. ^96,97,98Ru deduced high-spin levels, J, π, configurations. Spherical shell model, weak-coupling model calculations.

doi: 10.1103/PhysRevC.57.83
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1998KH04      Phys.Rev. C57, 2903 (1998)

B.Kharraja, S.S.Ghugre, U.Garg, R.V.F.Janssens, M.P.Carpenter, B.Crowell, T.L.Khoo, T.Lauritsen, D.Nisius, W.Reviol, W.F.Mueller, L.L.Riedinger, R.Kaczarowski

Nuclear Structure of ^94,95Mo at High Spins

NUCLEAR REACTIONS ⁶⁵Cu(³⁶S, 2npα), (³⁶S, npα), E=142 MeV; measured Eγ, Iγ, γγ-coin, DCO. ^94,95Mo deduced high-spin levels, J, π, configurations. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.57.2903
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1998PA23      Phys.Rev. C58, 801 (1998)

E.S.Paul, A.J.Boston, A.Galindo-Uribarri, T.N.Ginter, C.J.Gross, A.N.James, P.J.Nolan, R.D.Page, S.D.Paul, A.Piechaczek, D.C.Radford, W.Reviol, L.L.Riedinger, H.C.Scraggs, W.Weintraub, C.-H.Yu

Identification of excited states in ¹²⁵Ce

NUCLEAR REACTIONS ⁵⁸Ni(⁷⁰Ge, n2p), E=280, 310 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. ¹²⁵Ce deduced levels, possible J, π, rotational bands. Recoil mass separator.

doi: 10.1103/PhysRevC.58.801
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1998PA37      Phys.Rev. C58, R3037 (1998)

S.D.Paul, C.Baktash, W.Satula, C.J.Gross, I.Birriel, R.M.Clark, R.A.Cunningham, M.Devlin, P.Fallon, A.Galindo-Uribarri, T.Ginter, D.R.Lafosse, J.Kay, F.Lerma, I.Y.Lee, C.Leyland, A.O.Macchiavelli, B.D.MacDonald, S.J.Metcalfe, A.Piechaczek, D.C.Radford, W.Reviol, L.L.Riedinger, D.Rudolph, K.Rykaczewski, D.G.Sarantites, J.X.Saladin, D.Shapira, G.N.Sylvan, S.L.Tabor, K.S.Toth, W.Weintraub, D.F.Winchell, V.Q.Wood, R.Wyss, C.H.Yu

Band Structure in ⁷⁹Y and the Question of T = 0 Pairing

NUCLEAR REACTIONS ²⁸Si(⁵⁴Fe, 2np), E=200 MeV; measured Eγ, Iγ, (recoil)γ-coin. ⁵⁸Ni(²⁸Si, 2npα), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ⁷⁹Y deduced levels J, π, rotational bands, no T=0 np pairing influence. Gammasphere, Microball, recoil mass spectrometer. Cranked shell model calculations.

doi: 10.1103/PhysRevC.58.R3037
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1998RE04      Nucl.Phys. A630, 434c (1998)

W.Reviol, W.F.Mueller, L.L.Riedinger, B.H.Smith, M.P.Carpenter, S.M.Fischer, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.T.Nisius, D.Seweryniak, E.F.Moore

Superdeformed Shapes and Configurations in Thallium Nuclei

NUCLEAR REACTIONS ¹⁷⁴Yb(²³Na, 6n), E=132 MeV; ¹⁵⁹Tb(³⁶S, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin, DSA. ¹⁹¹Tl deduced high-spin levels, superdeformed bands T_1/2, quadrupole moment, configurations.

doi: 10.1016/S0375-9474(97)00782-3
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1998RE20      Phys.Rev. C58, R2644 (1998)

W.Reviol, D.E.Ellis, L.L.Riedinger, M.P.Carpenter, S.M.Fischer, R.V.F.Janssens, D.Nisius, P.Fallon

Superdeformed Bands in ¹⁸⁹Tl

NUCLEAR REACTIONS ¹⁵⁶Gd(³⁷Cl, 4n), E=172 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁹Tl deduced high-spin levels, J, π, superdeformed bands, configurations. Gammasphere array. Cranked shell model analysis.

doi: 10.1103/PhysRevC.58.R2644
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1998RU01      Phys.Rev.Lett. 80, 3018 (1998)

D.Rudolph, C.Baktash, J.Dobaczewski, W.Nazarewicz, W.Satula, M.J.Brinkman, M.Devlin, H.-Q.Jin, D.R.LaFosse, L.L.Riedinger, D.G.Sarantites, C.-H.Yu

Prompt Proton Decay of a Well-Deformed Rotational Band in ⁵⁸Cu

NUCLEAR REACTIONS ²⁸Si(³⁶Ar, npα), E=143 MeV; measured Eγ, Iγ, γγ-, (charged-particle)γ-coin. ⁵⁸Cu deduced high-spin levels, rotational bands, configurations, proton decay from deformed high-spin state. ⁵⁷Ni deduced transitions intensities. Self-consistent Hartree-Fock calculations.

doi: 10.1103/PhysRevLett.80.3018
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1998RU02      Nucl.Phys. A630, 417c (1998)

D.Rudolph, C.Baktash, W.Satula, J.Dobaczewski, W.Nazarewicz, M.J.Brinkman, M.Devlin, H.-Q.Jin, D.R.LaFosse, L.L.Riedinger, D.G.Sarantites, C.-H.Yu

High-Spin γ-Ray Spectroscopy in the Vicinity of ⁵⁶Ni

NUCLEAR REACTIONS ²⁸Si(³⁶Ar, xnypzα), E=143 MeV; measured Eγ, Iγ, γγ-, (charged-particle)γ-coin. ^54,55Co, ⁵⁴Fe, ⁵⁵Ni deduced high-spin levels, J, π.

doi: 10.1016/S0375-9474(97)00780-X
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1998SM08      Phys.Lett. 443B, 89 (1998)

B.H.Smith, L.L.Riedinger, H.Q.Jin, W.Reviol, W.Satula, A.Galindo-Uribarri, D.G.Sarantites, J.N.Wilson, D.LaFosse, S.M.Mullins

Enhanced Deformation in Light Pr Nuclei

NUCLEAR REACTIONS ⁹⁴Mo(⁴⁰Ca, 2npα), (⁴⁰Ca, npα), (⁴⁰Ca, 2n3p), (⁴⁰Ca, n3p), (⁴⁰Ca, 3p), E=180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ^{127,128,129,130,131}Pr deduced high-spin levels, J, π, configurations, deformation systematics. Gammasphere, Microball arrays.

doi: 10.1016/S0370-2693(98)01337-9
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1998SM09      Nuovo Cim. 111A, 663 (1998)

B.H.Smith, L.L.Riedinger, H.Q.Jin, W.Reviol, W.Satula, A.Galindo-Uribarri, D.G.Sarantites, J.N.Wilson, S.M.Mullins, D.LaFosse

Bands of Enhanced Deformation in Light Pr Nuclei

NUCLEAR REACTIONS ⁹⁴Mo(⁴⁰Ca, npα), (⁴⁰Ca, 2npα), E=180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. ^127,128Pr deduced high-spin levels, J, π, configurations, deformation. Gammasphere, Microball arrays.

1998SV01      Phys.Rev.Lett. 80, 2558 (1998)

C.E.Svensson, C.Baktash, G.C.Ball, J.A.Cameron, M.Devlin, J.Eberth, S.Flibotte, A.Galindo-Uribarri, D.S.Haslip, V.P.Janzen, D.R.LaFosse, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, J.M.Nieminen, S.D.Paul, D.C.Radford, L.L.Riedinger, D.Rudolph, D.G.Sarantites, H.G.Thomas, J.C.Waddington, D.Ward, W.Weintraub, J.N.Wilson, A.V.Afanasjev, I.Ragnarsson

Smooth Termination of Rotational Bands in ⁶²Zn: Evidence for a loss of collectivity

NUCLEAR REACTIONS ⁴⁰Ca(²⁸Si, 2pα), E=115 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, fractional Doppler shift. ⁶²Zn deduced high-spin levels, J, π, transition quadrupole moments, configurations, rotational band termination. Cranked shell-model calculations.

doi: 10.1103/PhysRevLett.80.2558
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1998ZH24      Phys.Rev. C58, 868 (1998)

J.-Y.Zhang, Y.Sun, L.L.Riedinger, M.Guidry

Lack of Additivity in Mass-190 Superdeformed Bands

NUCLEAR STRUCTURE ^190,191,192Hg, ^191,192Tl; analyzed superdeformed bands relative spins; deduced residual interactions. Projected shell model calculations.

doi: 10.1103/PhysRevC.58.868
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1998ZH37      Phys.Rev. C58, R2663 (1998)

J.-Y.Zhang, Y.Sun, M.Guidry, L.L.Riedinger, G.A.Lalazissis

Single Particle and Collective Structure for Nuclei Near ¹³²Sn

NUCLEAR STRUCTURE ¹³⁶Te, ¹⁴²Xe; calculated rotational bands transition energies. ^131,133Sn, ¹³¹In, ¹³³Sb; calculated single-particle levels. Cd, Te, Xe; calculated ground-state deformations for N=62-102. Nilsson model, new parameter set. Comparisons with data.

doi: 10.1103/PhysRevC.58.R2663
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1997BA45      Phys.Lett. 406B, 193 (1997); Erratum Phys.Lett. 416B, 453 (1998)

R.A.Bark, J.M.Espino, W.Reviol, P.B.Semmes, H.Carlsson, I.G.Bearden, G.B.Hagemann, H.J.Jensen, I.Ragnarsson, L.L.Riedinger, H.Ryde, P.O.Tjom

Signature Inversion in Semi-Decoupled Bands: Residual interaction between h_9/2 protons and i_13/2 neutrons

NUCLEAR REACTIONS ¹⁶⁰Gd(¹⁹F, 5n), E=105 MeV; ¹⁵⁰Nd(¹⁹F, 5n), E=85 MeV; ¹³⁰Te(³⁷Cl, 5n), E=166 MeV; measured Eγ, Iγ, γγ-coin; ^162,164Tm, ¹⁷⁴Ta deduced high-spin levels, J, π, signature inversion related features. Particle-rotor model analysis.

doi: 10.1016/S0370-2693(97)00676-X
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1997JE05      Acta Phys.Pol. B28, 169 (1997)

H.J.Jensen, W.F.Mueller, W.Nazarewicz, W.Reviol, L.L.Riedinger, J.-Y.Zhang

Systematics of Energy Signature Splitting for πh_9/2[541 (1/2)^-] Roltational Bands in Odd-Z Rare-Earth Nuclei

NUCLEAR STRUCTURE ^165,167Tm, ^{167,169,171,173}Lu, ¹⁷³Ta, ^175,177,179Re, ^179,181,185Ir, ^{181,183,185,187}Au; analyzed πh(9/2) rotational bands signature splitting. Cranked shell-model calculations.