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NSR database version of April 11, 2024.

Search: Author = J.Greene

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2024SO03      Phys.Rev. C 109, 024605 (2024)

J.Song, G.Savard, J.Greene, J.A.Nolen

Design and validation of a fission-product source for radioactive beams

doi: 10.1103/PhysRevC.109.024605
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2023GA11      Phys.Rev.Lett. 130, 192502 (2023)

A.T.Gallant, N.D.Scielzo, G.Savard, J.A.Clark, M.Brodeur, F.Buchinger, D.P.Burdette, M.T.Burkey, S.Caldwell, J.E.Crawford, A.Czeszumska, C.M.Deibel, J.Greene, D.Heslop, T.Y.Hirsh, A.F.Levand, B.Longfellow, G.E.Morgan, P.Mueller, R.Orford, S.Padgett, N.Paul, A.Perez Galvan, A.Reimer, R.Segel, K.S.Sharma, K.Siegl, L.Varriano, B.J.Zabransky

Angular Correlations in the β Decay of 8B: First Tensor-Current Limits from a Mirror-Nucleus Pair

RADIOACTIVITY 8B(β+); measured decay products, Eβ, Iβ; deduced the α-β-ν angular correlation in the Gamow-Teller β+ decay. The Beta-decay Paul Trap.

doi: 10.1103/PhysRevLett.130.192502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2023HO06      Phys.Rev. C 107, 064311 (2023)

C.R.Hoffman, R.S.Lubna, E.Rubino, S.L.Tabor, K.Auranen, P.C.Bender, C.M.Campbell, M.P.Carpenter, J.Chen, M.Gott, J.P.Greene, D.E.M.Hoff, T.Huang, H.Iwasaki, F.G.Kondev, T.Lauritsen, B.Longfellow, C.Santamaria, D.Seweryniak, T.L.Tang, G.L.Wilson, J.Wu, S.Zhu

Experimental study of the 38S excited level scheme

NUCLEAR REACTIONS 18O(22Ne, 2p)38S, E=48.5 MeV; measured recoils, Eγ, Iγ γγ-coin, γγ(θ) (recoils)γ-coin. 38S; deduced levels, J, π, δ, ratio of the angular yields, configurations, occupancy numbers. Machine-learning techniques used in the analysis of the data. Comparison to shell-model calculations with FSU interaction. Systematics of yrast states properties for 36Si, 38S, 40Ar, 42Ca. GRETINA array consisting of 12 HPGe modules coupled with Fragment Mass Analyzer (FMA) at Argonne Tandem Linear Accelerator System (ATLAS) facility (ANL).

doi: 10.1103/PhysRevC.107.064311
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022AH03      Phys.Rev. C 106, 064329 (2022)

I.Ahmad, F.G.Kondev, M.Gott, J.P.Greene, K.Teh

α decay of the longest-lived Cm isotope: 24796Cm

RADIOACTIVITY 247Cm(α); analyzed Eα published in 1971FI01 using new information on calibration standards; measured Eα, Iα, Eγ, Iγ, αγ-coin; deduced γ transition energies and intensities per α-decay. 243Pa; deduced levels, J, π. Source from ORNL with approx. 1.6 Bq activity obtained in late 1960, produced by irradiation of 144Cm in high-flux reactor. Decay measured with Ge detector and planar silicon (PIPS) detector.

doi: 10.1103/PhysRevC.106.064329
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2022HA01      Phys.Rev. C 105, 014301 (2022)

D.J.Hartley, F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, M.A.Riley, K.Villafana, K.Auranen, A.D.Ayangeakaa, J.S.Baron, A.J.Boston, J.A.Clark, J.P.Greene, J.Heery, C.R.Hoffman, T.Lauritsen, J.Li, D.Little, E.S.Paul, G.Savard, D.Seweryniak, J.Simpson, S.Stolze, G.L.Wilson, J.Wu, S.Zhu

νi13/2 structures in 155Sm and 159Gd: Supporting evidence of a Z=60 deformed subshell gap

NUCLEAR REACTIONS 154Sm(160Gd, n), E=1000 MeV from the ATLAS facility of the Argonne National Laboratory. Measured Eγ, Iγ, γγ-coin using Gammasphere array with 73 Compton-suppressed HPGe detectors. 155Sm, 159Gd; deduced high-spin levels, J, π, νi13/2 bands, with the two signature partners, alignments and signature splitting. Discussed systematics of νi13/2 structures in N=91, 93, 95, and 97 isotopes: 153,155,157Sm, 155,157,159Gd, 157,159,161Dy, 151Ce, 153,155Nd, 161,163Er, 163,165Yb.

doi: 10.1103/PhysRevC.105.014301
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2022KU09      Phys.Rev. C 105, 034316 (2022)

J.Kurpeta, A.Abramuk, T.Rzaca-Urban, W.Urban, L.Canete, T.Eronen, S.Geldhof, M.Gierlik, J.P.Greene, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, M.Reponen, S.Rinta-Antila, A.de Roubin, G.S.Simpson, A.G.Smith, M.Vilen

β- and γ-spectroscopy study of 119Pd and 119Ag

RADIOACTIVITY 119,119mPd(β-)[from 253U(p, F), E=25 MeV]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin, γγ∓coin; deduced β-branching ratios, logft, T1/2. 252Cf(SF); measured Eγ, Iγ, γ(θ), γγγ-coin. 119Pd; levels, J, π, T1/2 for ground state and proposed 11/2- isomer. 119Ag; deduced levels, J, π, multipolarities, ICC, δ, structure of rotational band. Discovered 2 separate bands in 119Ag possibly feeded by 2 different β-decaying states in 119Pd. Systematics of low-energy excitations in odd-A isotopes of Rh, Ag, In, and selected low-energy levels in odd-A nuclei of cadmium (109Cd, 111Cd, 113Cd, 115Cd, 117Cd, 119Cd, 121Cd, 123Cd), the isotones of palladium. Isotopes of 119Pd were separated and purified using IGISOL technique and JYFLTRAP Penning trap. Gammas from 252Cf spontaneous fission were measured with Gammasphere array at ANL.

doi: 10.1103/PhysRevC.105.034316
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2022LA09      Phys.Rev. C 106, 025802 (2022)

A.Laminack, J.C.Blackmon, A.Couture, J.P.Greene, M.Krticka, K.T.Macon, S.Mosby, C.Prokop, J.L.Ullmann, S.Valenta

Measurement of neutron-capture cross sections of 70, 72Ge using the DANCE facility

NUCLEAR REACTIONS 70,72Ge(n, γ), E=0.000001-1 MeV; measured Eγ, Iγ, γ sum energy; deduced neutron capture σ(E), Maxwellian averaged σ(E). Comparison to other experimental results and evaluated data from ENDF/B-VIII.0, KADoNiS-v1.0. Presented analysis of the impact of measured σ on stellar nucleosynthesis abundances.Detector for Advanced Neutron Capture Experiments (DANCE) consisting of 160 BaF2 detectors combined into calorimeter at Los Alamos Neutron Science Center (LANSCE, LANL).

doi: 10.1103/PhysRevC.106.025802
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14791.


2022MA65      Phys.Rev. C 106, 064326 (2022)

A.Mattera, E.A.McCutchan, S.Zhu, C.Morse, M.P.Carpenter, P.Copp, C.Muller-Gatermann, W.Reviol, J.P.Greene, M.Gott

Decay spectroscopy of the blocked fission product 130I

RADIOACTIVITY 130I(β-)[from 130Te(p, n), E=7.5 MeV]; measured Eγ, Iγ, γγ-coin, γγ(θ). 130Xe; deduced levels, J, π, δ, transition intensities, γγ-angular correlations. Uncertainty of the strongest transition improved by a factor 2. Comparison to other experimental data. Measurement with Gammasphere array consisted of 49 Compton-suppressed HPGe detectors (ANL). Source was produced by irradiation at the Brookhaven Tandem Van de Graaff facility. Estimated source strength was around 11 μCi.

doi: 10.1103/PhysRevC.106.064326
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2021CA19      Phys.Rev. C 104, L022802 (2021)

L.Canete, G.Lotay, G.Christian, D.T.Doherty, W.N.Catford, S.Hallam, D.Seweryniak, H.M.Albers, S.Almaraz-Calderon, E.A.Bennett, M.P.Carpenter, C.J.Chiara, J.P.Greene, C.R.Hoffman, R.V.F.Janssens, J.Jose, A.Kankainen, T.Lauritsen, A.Matta, M.Moukaddam, S.Ota, A.Saastamoinen, R.Wilkinson, S.Zhu

New constraints on the 25Al (p, γ) reaction and its influence on the flux of cosmic γ rays from classical nova explosions

NUCLEAR REACTIONS 11B(16O, p)26Mg, E=19 MeV from Argonne ATLAS accelerator; measured Eγ, Iγ, γγ-coin, γ(θ) and level half-lives by DSAM using Gammasphere array of 99 HPGe detectors. 2H(25Mg, p)26Mg, E=10 MeV/nucleon from Texas A and M cyclotron; measured outgoing protons and scattered deuterons using the TIARA Si array, and 26Mg recoils by the MDM-2 magnetic spectrometer with Oxford ionization chamber, angular distributions of scattered deuterons and protons. 26Mg; deduced levels, J, π, resonances, spectroscopic factors. 26Si; deduced levels, resonances, J, π, Γp, Γγ, resonance strengths by comparing with the level structures of mirror nucleus 26Mg. 25Al(p, γ)26Si, T=0.2-0.4 GK; deduced stellar reaction rate by considering the contribution of resonant states in 26Si, galactic abundance of 26Al from classical novae; performed nova outburst simulations using the hydrodynamic Lagrangian time-implicit code SHIVA.

doi: 10.1103/PhysRevC.104.L022802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2658. Data from this article have been entered in the XUNDL database. For more information, click here.


2021HA14      Phys.Rev. C 103, 034322 (2021)

D.J.Hartley, K.Villafana, F.G.Kondev, M.A.Riley, R.V.F.Janssens, K.Auranen, A.D.Ayangeakaa, J.S.Baron, A.J.Boston, M.P.Carpenter, J.A.Clark, J.P.Greene, J.Heery, C.R.Hoffman, P.Jackson, T.Lauritsen, J.Li, D.Little, E.S.Paul, G.Savard, D.Seweryniak, J.Simpson, S.Stolze, G.L.Wilson, J.Wu, S.Zhu, S.Frauendorf

Possible quenching of static neutron pairing near the N=98 deformed shell gap: Rotational structures in 160, 161Gd

NUCLEAR REACTIONS 154Sm, 164Dy(160Gd, X)160Gd/161Gd, E=1000 MeV; measured Eγ, Iγ, γγ-coin using the Gammasphere array with 73 detectors at ATLAS-ANL facility. 160,161Gd; deduced high-spin levels, J, π, rotational bands, branching ratios, B(M1)/B(E2), Nilsson configurations, alignments, neutron pairing strength. Comparison with structure of ν5/2[523] band in N=97 isotone 159Sm.

doi: 10.1103/PhysRevC.103.034322
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021UR03      Phys.Rev. C 104, 064309 (2021)

W.Urban, K.Sieja, T.Rzkaca-Urban, J.Wisniewski, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur, A.G.Smith, J.P.Greene

Structure of even-even Sr isotopes with 50 ≤ N ≤ 58 neutrons

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear polarization) using Exogam array at Institut Laue Langevin (EXILL) at Grenoble. 90,92,94Sr, 96Sr; deduced levels, J, π, γ-branching ratios, multipolarities, multipole mixing ratios. Comparison with previous experimental results, and with large-scale shell-model calculations; discussed role of the ν9/2[404] extruder in change of deformation in this mass range. Systematics of excited 0+ low-lying states in N=50-64, Zn, Ge, Se, Kr, Sr, Zr, Ru; and in N=50, 52, Z=28-50 even-even isotopes.

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array at Argonne National Laboratory. 90,92,94Sr, 96Sr; deduced levels, J, π, γ-branching. Results from this experiment were mainly used as a countercheck of data from 235U(n, F) reaction. No separate Eγ, Iγ data given from this measurement.

NUCLEAR STRUCTURE 88,90,92,94Sr, 96Sr; calculated main proton and neutron components in wave functions of the levels in Sr isotopes, structure of first four 0+, first two 1+, first three 2+, first two 3+, and first 3-, 4-, 5-, 6-, 7- and 9- levels in terms of main components, B(M1), occupation of proton orbitals in selected levels of 88Sr using large-scale shell-model.

doi: 10.1103/PhysRevC.104.064309
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020DE09      Phys.Rev. C 101, 034612 (2020)

V.V.Desai, A.Pica, W.Loveland, J.S.Barrett, E.A.McCutchan, S.Zhu, A.D.Ayangeakaa, M.P.Carpenter, J.P.Greene, T.Lauritsen, R.V.F.Janssens, B.M.S.Amro, W.B.Walters

Multinucleon transfer in the interaction of 977 MeV and 1143 MeV 204Hg with 208Pb

NUCLEAR REACTIONS 208Pb(204Hg, X)72Ga/81mRb/85Kr/91Sr/92Sr/97Zr/90Nb/99Mo/93Tc/99Tc/97Ru/103Ru/112Ag/115Cd/117Sb/131I/125Xe/135Xe/140Ba/143Ce/156Sm/154Tb/167Ho/169Lu/180mHf/181Re/182Re/188Re/191Os/188Ir/190Ir/195Pt/192Au/193Au/194Au/196Au/198Au/199Au/200mAu/195mHg/197Hg/203Hg/198Tl/199Tl/200Tl/201Tl/202Tl/200Pb/201Pb/202mPb/203Pb/204Pb/202Bi/203Bi/204Bi/205Bi/206Bi/206Po/208At/209At/210At/211Rn, E=977 MeV; 208Pb(204Hg, X)69Zn/72Zn/82Br/86Y/87Y/91Sr/96Nb/95Tc/96Tc/97Zr/97Ru/99Mo/101Rh/103Ru/105Ru/111In/115Cd/117Sb/120mSb/122Sb/128Sb/132Cs/135mBa/140Ba/143Ce/147Gd/172Er/165Tm/169Lu/171Lu/170Hf/173Hf/180mHf/176Ta/177Ta/178Ta/183Ta/181Re/182Re/188Re/189Re/183Os/185Os/186Ir/188Ir/190Ir/188Pt/191Pt/197mPt/193Au/194Au/196Au/198Au/199Au/200mAu/193mHg/195mHg/197Hg/203Hg/197Tl/199Tl/200Tl/201Tl/202Tl/200Pb/201Pb/202mPb/203Pb/203Bi/204Bi/205Bi/206Bi/206Po/207Po/209At/210At/211Rn, E=1143 MeV; measured Eγ, Iγ, fragment cumulative and independent σ for nuclei produced in multi-nucleon transfer (MNT) reactions using Gammasphere array for off-line γ counting at ANT-ATLAS facility. Comparison with theoretical predictions of GRAZING-F, dinuclear systems (DNS), and improved quantum molecular dynamics (ImQMD) models, and with previous experimental results from MNT reactions: 248Cm(16O, X), (86Kr, X), (129Xe, X), (132Xe, X), (136Xe, X), 197Au(238U, X), 238U(18O, X), (238U, X), 208Pb(18O, X), (64Ni, X), (136Xe, X), 198Pt(136Xe, X). No evidence for production of nuclei near the N=126 shell.

doi: 10.1103/PhysRevC.101.034612
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2515.


2020DE18      Eur.Phys.J. A 56, 150 (2020)

V.V.Desai, W.Loveland, R.Yanez, G.Lane, S.Zhu, A.D.Ayangekaa, J.P.Greene, F.G.Kondev, R.V.F.Janssens, P.A.Copp

The 136Xe + 198Pt reaction: a detailed re-examination

doi: 10.1140/epja/s10050-020-00154-4
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2020GU18      Phys.Rev. C 102, 034316 (2020)

A.C.Gula, E.A.McCutchan, C.J.Lister, J.P.Greene, S.Zhu, P.A.Ellison, R.J.Nickles, M.P.Carpenter, S.V.Smith, A.A.Sonzogni

State-of-the-art γ-ray assay of 86Y for medical imaging

RADIOACTIVITY 86Y(β+), (EC)[from 86Sr(p, n), E=16 MeV at the University of Wisconsin Medical Physics cyclotron, followed by chemical separation of activity]; measured Eγ, Iγ, γγ-coin, γγ(θ) using the Gammasphere array at ANL. 86Sr; deduced levels, J, π, multipolarities, mixing ratios, I(β++ϵ), logft values, maximum and average positron energies; estimated radiation dose for potential imaging partner to the therapeutic 90Y isotope. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.102.034316
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020HA09      Eur.Phys.J. A 56, 36 (2020)

C.B.Hamill, P.J.Woods, D.Kahl, R.Longland, J.P.Greene, C.Marshall, F.Portillo, K.Setoodehnia

Study of the 25Mg(d, p)26Mg reaction to constrain the 25Al(p, γ)26Si resonant reaction rates in nova burning conditions

doi: 10.1140/epja/s10050-020-00052-9
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2020UR02      Phys.Rev. C 102, 024318 (2020)

W.Urban, T.Rzaca-Urban, J.Wisniewski, J.Kurpeta, A.Plochocki, J.P.Greene, A.G.Smith, G.S.Simpson

New, low-energy excitations in 107Mo and 109Mo

RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, half-lives of the isomer in 107Mo by γγ(t) using the Eurogam2 array for 248Cm(SF) experiment and Gammasphere array for 252Cf(SF). 107,109Mo; deduced levels, isomers, J, π, Jπ for ground states and isomers, total conversion coefficients for an isomeric transition in 107Mo, configurations. Systematics of low-energy excitations and γ deformation parameters in Mo isotopes.

doi: 10.1103/PhysRevC.102.024318
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020UR03      Phys.Rev. C 102, 064321 (2020)

W.Urban, T.Rzaca-Urban, A.G.Smith, G.S.Simpson, J.P.Greene

First observation of excited states in the 154Ce96 nucleus: Rigid rotation at Z = 58

RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, population of even-even Ce isotopes using the Eurogam2 and Gammasphere arrays. 154Ce; deduced levels, J, π, rotational band up to 8+. 140,142,144Xe, 142,144,146,148,150Ba, 146,148,150,152Ce, 150,152,154,156Nd, 156,158,160Sm, 160,162,164Gd; measured Eγ for ground-state bands up to 8+, and compared to literature values. Systematics of excited 0+ states in N=88 and N=90 isotones of Ba, Ce, Nd, Sm, Gd, Dy and Er. Systematics of E(first 4+)/E(first 2+) of N=90, 92, 94 and 96 isotones of Ba to Hf isotopes, and for N(even)=90-106, Z(even)=56-66 nuclei.

doi: 10.1103/PhysRevC.102.064321
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019AB12      J.Phys.(London) G46, 100501 (2019)

E.P.Abel, M.Avilov, V.Ayres, E.Birnbaum, G.Bollen, G.Bonito, T.Bredeweg, H.Clause, A.Couture, J.DeVore, M.Dietrich, P.Ellison, J.Engle, R.Ferrieri, J.Fitzsimmons, M.Friedman, D.Georgobiani, S.Graves, J.Greene, S.Lapi, C.S.Loveless, T.Mastren, C.Martinez-Gomez, S.McGuinness, W.Mittig, D.Morrissey, G.Peaslee, F.Pellemoine, J.D.Robertson, N.Scielzo, M.Scott, G.Severin, D.Shaughnessy, J.Shusterman, J.Singh, M.Stoyer, L.Sutherlin, A.Visser, J.Wilkinson

Isotope harvesting at FRIB: additional opportunities for scientific discovery

doi: 10.1088/1361-6471/ab26cc
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2019DE15      Phys.Rev. C 99, 044604 (2019)

V.V.Desai, W.Loveland, K.McCaleb, R.Yanez, G.Lane, S.S.Hota, M.W.Reed, H.Watanabe, S.Zhu, K.Auranen, A.D.Ayangeakaa, M.P.Carpenter, J.P.Greene, F.G.Kondev, D.Seweryniak, R.V.F.Janssens, P.A.Copp

The 136Xe + 198Pt reaction: A test of models of multi-nucleon transfer reactions

NUCLEAR REACTIONS 198Pt(136Xe, X)43K/69mZn/72Zn/72As/73Ga/96Nb/97Zr/99Mo/99mTc/105Rh/110In/112Pd/115mIn/120mSb/122Sb/124I/125Xe/126Sb/127Sb/127Xe/127Cs/128Sb/130I/132I/131mTe/131Ba/132I/132Cs/133I/133mXe/135I/135Xe/135mBa/136Cs/140Ba/140La/142Pr/143Ce/153Sm/154Tb/157Dy/169Lu/173Hf/175Hf/176Ta/177Ta/180mHf/181Re/182Re/182Os/183Os/184Ta/188Re/188Ir/189Re/190Ir/191Pt/193Au/194Ir/194Au/195mIr/195mPt/195mHg/196mIr/196mAu/197Hg/198Au/199Au/200mAu/200Tl/200Pb/201Tl/201Pb/202Tl/202mPb/203Hg/203Pb/204Bi, E=760.5 MeV; measured Eγ, Iγ, cumulative and independent yields and σ of projectile-like, fission and target-like fragments using Gammasphere array for online γ detection and an HPGe detector for offline γ spectroscopy at ATLAS-ANL facility. Comparison with predictions of GRAZING, di-nuclear systems (DNS), and improved quantum molecular dynamics (ImQMD) models for multi-nucleon transfer reactions, and with previous experimental results.

doi: 10.1103/PhysRevC.99.044604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2398.


2019GA29      Phys.Rev. C 100, 044309 (2019)

E.R.Gamba, A.M.Bruce, S.Lalkovski, M.Rudigier, S.Bottoni, M.P.Carpenter, S.Zhu, J.T.Anderson, A.D.Ayangeakaa, T.A.Berry, I.Burrows, M.Carmona-Gallardo, R.J.Carroll, P.Copp, D.M.Cullen, T.Daniel, G.Fernandez-Martinez, J.P.Greene, L.A.Gurgi, D.J.Hartley, R.Ilieva, S.Ilieva, F.G.Kondev, T.Kroll, G.J.Lane, T.Lauritsen, I.Lazarus, G.Lotay, C.R.Nita, Zs.Podolyak, V.Pucknell, M.Reed, P.H.Regan, J.Rohrer, J.Sethi, D.Seweryniak, C.M.Shand, J.Simpson, M.Smolen, E.A.Stefanova, V.Vedia, O.Yordanov

Fast-timing measurements in the ground-state band of 114Pd

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, level half-lives by fast-timing γγ(t) technique using Gammasphere array with 51 HPGe detectors, and FATIMA array with 25 LaBr3(Ce) detectors at the Argonne National Laboratory. 114Pd; deduced levels, J, π, half-lives for the first 2+, 4+ and 6+ states, B(E2), transition quadrupole moments, β2. Comparison of experimental B(E2) values with those predicted by the vibrator, rigid axial rotor, Wilets-Jean and Davydov-Filippov models. Systematics of B(E2) values for the first 2+ state in Z=44-48, N=56-74 even-even nuclei.

doi: 10.1103/PhysRevC.100.044309
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019HA17      Phys.Rev. C 99, 054621 (2019)

K.Hammerton, D.J.Morrissey, Z.Kohley, D.J.Hinde, M.Dasgupta, A.Wakhle, E.Williams, I.P.Carter, K.J.Cook, J.Greene, D.Y.Jeung, D.H.Luong, S.D.McNeil, C.Palshetkar, D.C.Rafferty, C.Simenel, K.Stiefel

Entrance channel effects on the quasifission reaction channel in Cr + W systems

NUCLEAR REACTIONS 180W(50Cr, X)230Cf*, E(cm)=210.0 MeV; 180W(52Cr, X)232Cf*, E(cm)=214.1; 180W(54Cr, X)234Cf*, E(cm)=215.4 MeV; 182W(54Cr, X)236Cf*, E(cm)=213.8 MeV; 184W(52Cr, X)236Cf*, E(cm)=209.7 MeV; 184W(54Cr, X)238Cf*, E(cm)=211.8 MeV; 186W(50Cr, X)236Cf*, E(cm)=201.3 MeV; 186W(54Cr, X)240Cf*, E(cm)=209.5 MeV; measured fission fragments, mass-angle distributions, mass distribution of fragments using the CUBE detector for charged particle detection at the Heavy Ion Accelerator Facility of the Australian National University; deduced curvature parameter, entrance channel effects, and impact of target deformation effects on the quasifission process.

doi: 10.1103/PhysRevC.99.054621
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2019SH34      Phys.Rev. C 100, 034309 (2019)

U.Shirwadkar, S.K.Tandel, P.Chowdhury, T.L.Khoo, I.Ahmad, M.P.Carpenter, J.P.Greene, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, C.J.Lister, D.Peterson, D.Seweryniak, X.Wang, S.Zhu

Decay spectroscopy of two-quasiparticle K isomers in 246, 248Cm via inelastic and transfer reactions

NUCLEAR REACTIONS 248Cm(209Bi, 209Bi'), 248Cm(209Bi, X)246Cm, E=1450 MeV from ATLAS-ANL accelerator facility, with bursts between 1 μs to 8 s; measured Eγ, Iγ, γγ-coin, half-lives of isomers in 246Cm and 248Cm by γ(t) using Gammasphere array. 246,248Cm; deduced levels, J, π, K-isomers, two-quasineutron Nilsson configurations, reduced K hindrances, persistence of a deformed subshell gap at N=152 near Z≈100 from systematics of Kπ=8-, two-quasineutron isomeric states in N=150, Z=94-102 even-even nuclei.

doi: 10.1103/PhysRevC.100.034309
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2018AH01      Phys.Rev. C 97, 014324 (2018)

I.Ahmad, F.G.Kondev, J.P.Greene, S.Zhu

Decay properties of 24397BK and 24497BK

RADIOACTIVITY 243,244Bk(EC)[from 241Am(α, n), (α, 2n) followed by mass separation]; measured Eγ, Iγ, Cm x rays. 243,244Cm; deduced levels, J, π, ϵ feedings, logft values, configurations, 1/2[620] Nilsson orbital and band in 243Cm, octupole vibrational band and two-quasiparticle Nilsson states in 244Cm. Comparison with previous experimental results. 244Bk; discussed ground state Nilsson configuration.

doi: 10.1103/PhysRevC.97.014324
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2018CH13      Nature(London) 554, 7691 (2018)

C.J.Chiara, J.J.Carroll, M.P.Carpenter, J.P.Greene, D.J.Hartley, R.V.F.Janssens, G.J.Lane, J.C.Marsh, D.A.Matters, M.Polasik, J.Rzadkiewicz, D.Seweryniak, S.Zhu, S.Bottoni, A.B.Hayes, S.A.Karamian

Isomer depletion as experimental evidence of nuclear excitation by electron capture

NUCLEAR REACTIONS 7Li(90Zr, 3np), E=840 MeV; measured Eγ, Iγ, γγγ-coin using Gammasphere array at ATLAS-ANL. 93Mo; deduced levels, first experimental evidence of process of nuclear excitation by electron capture (NEEC) through the isomer depletion of 2425-keV isomer and excitation of the 2430-keV intermediate level from the 2425-keV isomer, and observation of 2475-268-685-1478 γ cascade in coincidence.

NUCLEAR REACTIONS 90Zr(7Li, 3np), E(cm)=same as above for reverse kinematic reaction; measured Eγ, Iγ, γγ-coin at Australian National Laboratory. 93Mo; deduced levels, non-observation of 2475- and 268-keV γ rays in γγ coincidences in the normal kinematics reaction consistent with NEEC interpretation in the inverse kinematic reaction study at Argonne.

doi: 10.1038/nature25483
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2018GA23      Acta Phys.Pol. B49, 555 (2018)

E.R.Gamba, A.M.Bruce, M.Rudigier, S.Lalkovski, S.Bottoni, M.P.Carpenter, S.Zhu, A.D.Ayangeakaa, J.T.Anderson, T.A.Berry, I.Burrows, R.J.Carrol, P.Copp, M.Carmona-Gallardo, D.M.Cullen, T.Daniel, G.Fernandez-Martinez, J.P.Greene, L.A.Gurgi, D.J.Hartley, R.Ilieva, S.Ilieva, R.V.F.Janssens, F.G.Kondev, T.Kroll, G.J.Lane, T.Lauritsen, I.Lazarus, G.Lotay, C.R.Nita, Zs.Podolyak, V.Pucknell, M.Reed, P.H.Regan, J.Rohrer, J.Sethi, D.Seweryniak, C.M.Shand, J.Simpson, M.Smolen, V.Vedia, E.A.Stefanova, O.Yordanov

Fast-timing Measurements in 100Zr Using LaBr3(Ce) Detectors Coupled with Gammasphere

RADIOACTIVITY 252Cf(SF); measured 100Zr fission fragment 4+ state Eγ, Iγ, T1/2, fission partners fragments using Digital Gammasphere (DGS) acquisition with hybrid detector made of 51 HPGe from Gammasphere and 25 LaBr3(Ce) scintillators (part of UK NuSTAR Collaboration); deduced first excited state T1/2, deformation, quadrupole moment, B(E2), LaBr3(Ce) γ-γ matrix, DGS γ-γ matrix, centroid difference between delayed and anti-delayed time distributions. Results preliminary, the main aim was the feasibility study.

doi: 10.5506/aphyspolb.49.555
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2018JI01      Phys.Rev. C 97, 012801 (2018)

C.L.Jiang, D.Santiago-Gonzalez, S.Almaraz-Calderon, K.E.Rehm, B.B.Back, K.Auranen, M.L.Avila, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, C.Dickerson, B.DiGiovine, J.P.Greene, C.R.Hoffman, R.V.F.Janssens, B.P.Kay, S.A.Kuvin, T.Lauritsen, R.C.Pardo, J.Sethi, D.Seweryniak, R.Talwar, C.Ugalde, S.Zhu, D.Bourgin, S.Courtin, F.Haas, M.Heine, G.Fruet, D.Montanari, D.G.Jenkins, L.Morris, A.Lefebvre-Schuhl, M.Alcorta, X.Fang, X.D.Tang, B.Bucher, C.M.Deibel, S.T.Marley

Reaction rate for carbon burning in massive stars

NUCLEAR REACTIONS 12C(12C, p)23Na, (12C, α)20Ne, E=5.5-10 MeV; measured Eγ, Iγ, (particle)γ-coin, σ(E) using Gammasphere array and an array of three annular double-sided silicon strip detectors at the ATLAS-ANL facility; deduced S factors and astrophysical reaction rates. Comparison with previous measurements, and with data from other reactions. Relevance to carbon burning is a critical phase for nucleosynthesis in massive stars.

doi: 10.1103/PhysRevC.97.012801
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2018LO18      Phys.Rev. C 98, 024323 (2018)

R.Lozeva, E.A.Stefanova, H.Naidja, F.Nowacki, T.Rzaca-Urban, J.Wisniewski, W.Urban, I.Ahmad, A.Blanc, G.De France, F.Didierjean, G.Duchene, H.Faust, J.P.Greene, U.Koster, P.Mutti, G.Simpson, A.G.Smith, T.Soldner, C.A.Ur

New yrast and non-yrast states in 136I and medium-spin structure of 136I and 136Xe : Roles of the proton d5/2 and the neutron h9/2 orbitals beyond 132Sn

NUCLEAR REACTIONS 235U, 241Pu(n, F)136I, E=thermal; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear pol) using the EXILL-FATIMA system, EXOGAM and EUROGAM clover HPGe detectors at ILL, Grenoble. 136I; deduced yrast and non-yrast levels, J, π, conversion coefficients, multipolarities, mixing ratios, configurations. Comparison with large scale shell-model calculations.

RADIOACTIVITY 248Cm, 252Cf(SF); 136Te, 136I(β-)[136Te from 235U(n, F), E=thermal followed by separation of 136Te using Lohengrin fission-fragment separator at Grenoble, and 136I from 136Te decay]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(lin pol). 136I, 136Xe; deduced levels, J, π, conversion coefficients, multipolarities, mixing ratios, configurations, Gamow-Teller strengths. Comparison with large scale shell-model calculations.

doi: 10.1103/PhysRevC.98.024323
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2018SI07      Phys.Rev. C 97, 035504 (2018)

K.Siegl, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, S.A.Caldwell, B.S.Alan, M.T.Burkey, C.J.Chiara, J.P.Greene, J.Harker, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, R.Orford, S.Padgett, A.Perez Galvan, K.S.Sharma, S.Y.Strauss

Recoil ions from the β decay of 134Sb confined in a Paul trap

RADIOACTIVITY 134,134mSb(β-)[from 252Cf SF decay at CARIBU-ANL facility]; measured β, γ, singly-charged recoil ions, βγ-coin, β(ce)-coin, (recoils)β-coin, time-of-flight spectra for β(ion)-coin using Beta-decay Paul Trap (BPT); deduced charge-state distribution of the recoiling ions, mean electron loss, β-ν correlation coefficient (aβν), β-decay simulations, significant β-decay strength (17.2%) to high-lying excited states in 134Te to obtain an angular correlation consistent with expected value of unity for 0- to 0+ β transition. Comparison of the observed β-decay spectrum with that from the decay scheme in the ENSDF database or Nuclear Data Sheets for 134Sb g.s. decay. Comparison of mean atomic electron loss in 134Sb decay with that from the decays of noble gases 6He, 23Ne, 35Ar, 41Ar, 85Kr and 133Xe. 134,134mSb; half-lives used from literature and those determined at CARIBU-ANL facility (reference 23 in this work).

doi: 10.1103/PhysRevC.97.035504
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2017AM01      Phys.Rev. C 95, 014330 (2017)

B.M.S.Amro, C.J.Lister, E.A.McCutchan, W.Loveland, P.Chowdhury, S.Zhu, A.D.Ayangeakaa, J.S.Barrett, M.P.Carpenter, C.J.Chiara, J.P.Greene, J.L.Harker, R.V.F.Janssens, T.Lauritsen, A.A.Sonzogni, W.B.Walters, R.Yanez

γ-ray spectroscopy of 209Tl

NUCLEAR REACTIONS 208Pb(136Xe, X)209Tl, E=785 MeV; measured Eγ, Iγ, γΓ-coin, delayed γ, half-lives of isomers using Gammasphere array at ATLAS-ANL facility. 209Tl; deduced levels, J, π, internal conversion coefficients, multipolarities, B(E2), configurations.

doi: 10.1103/PhysRevC.95.014330
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2017BO23      Phys.Lett. B 775, 271 (2017)

S.Bottoni, S.Zhu, R.V.F.Janssens, M.P.Carpenter, Y.Tsunoda, T.Otsuka, A.O.Macchiavelli, D.Cline, C.Y.Wu, A.D.Ayangeakaa, B.Bucher, M.Q.Buckner, C.M.Campbell, C.J.Chiara, H.L.Crawford, M.Cromaz, H.M.David, P.Fallon, A.Gade, J.P.Greene, J.Harker, A.B.Hayes, C.R.Hoffman, B.P.Kay, A.Korichi, T.Lauritsen, J.Sethi, D.Seweryniak, W.B.Walters, D.Weisshaar, A.Wiens

Nucleon correlations and the structure of 7130Zn41

NUCLEAR REACTIONS 70Zn(48Ca, 47Ca)71Zn, E=170 MeV; 197Au(70Zn, X)71Zn, E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, decay scheme, J, π, modest oblate deformation. Comparison with Monte-Carlo shell-model calculations.

doi: 10.1016/j.physletb.2017.11.003
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2017NA15      Phys.Rev. C 95, 064303 (2017)

H.Naidja, F.Nowacki, B.Bounthong, M.Czerwinski, T.Rzaca-Urban, T.Roginski, W.Urban, J.Wisniewski, K.Sieja, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene

New excitations in 142Ba and 144Ce: Evolution of γ bands in the N=86 isotones

RADIOACTIVITY 252Cf(SF); 144La(β-)[from 252Cf SF]; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array at Argonne National Laboratory. 142Ba, 144Ce; deduced high-spin levels, J, π, multipolarity, mixing ratios. 140Xe; deduced multipolarity and mixing ratios from γγ(θ) data. Comparison with large-scale shell-model calculations.

NUCLEAR STRUCTURE 142Ba, 144Ce; calculated levels, J, π, quadrupole moments, B(E2), potential energy surfaces in (β, γ) plane using large-scale shell-model. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.064303
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2017OS02      Phys.Rev. C 95, 055809 (2017)

K.M.Ostdiek, T.S.Anderson, W.K.Bauder, M.R.Bowers, A.M.Clark, P.Collon, W.Lu, A.D.Nelson, D.Robertson, M.Skulski, R.Dressler, D.Schumann, J.P.Greene, W.Kutschera, M.Paul

Activity measurement of 60Fe through the decay of 60mCo and confirmation of its half-life

RADIOACTIVITY 60Fe(β-)[from Cu(p, X), E=590 MeV at PSI followed by chemical separation]; 60mCo(IT); measured Eγ, Iγ from 60mCo decay, half-life of 60Fe via the 2+ isomeric state of 60Co, number of atoms of 60Fe from 60Fe/56Fe isotopic ratios of samples using accelerator mass spectrometry (AMS) technique. Experiments performed at the university of Notre Dame. Comparison with previous half-life measurements.

doi: 10.1103/PhysRevC.95.055809
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2017OZ01      Phys.Rev. C 96, 045805 (2017)

N.Ozkan, R.T.Guray, C.Yalcin, W.P.Tan, A.Aprahamian, M.Beard, R.J.deBoer, S.Almaraz-Calderon, S.Falahat, J.Gorres, Q.Li, A.Sauerwein, K.Sonnabend, M.Wiescher, Zs.Fulop, Gy.Gyurky, E.Somorjai, J.Greene

Proton capture reaction cross section measurements on 162Er as a probe of statistical model calculations

NUCLEAR REACTIONS 162Er(p, γ)163Tm, 162Er(p, n)162Tm, E=4.0-9.0 MeV in steps of 0.5 MeV; measured reaction products, Eγ, Iγ, σ(E) by activation method using the FN tandem accelerator at the University of Notre Dame; deduced S factors. Comparison with Hauser Feshbach (HF) statistical model calculations using NON-SMOKER and TALYS codes.

doi: 10.1103/PhysRevC.96.045805
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2017RU02      Acta Phys.Pol. B48, 351 (2017)

M.Rudigier, S.Lalkovski, E.R.Gamba, A.M.Bruce, Zs.Podolyak, P.H.Regan, M.Carpenter, S.Zhu, A.D.Ayangeakaa, J.T.Anderson, T.Berry, S.Bottoni, I.Burrows, R.Carroll, P.Copp, D.Cullen, T.Daniel, L.Fraile, M.Carmona-Gallardo, A.Grant, J.P.Greene, L.A.Guegi, D.Hartley, R.Ilieva, S.Ilieva, R.V.F.Janssens, F.G.Kondev, T.Kroll, G.J.Lane, T.Lauritsen, I.Lazarus, G.Lotay, G.Fernandez-Martinez, V.Pucknell, M.Reed, J.Rohrer, J.Sethi, D.Seweryniak, C.M.Shand, J.Simpson, M.Smolen, E.Stefanova, V.Vedia, O.Yordanov

Fast Timing Measurement Using an LaBr3(Ce) Scintillator Detector Array Coupled with Gammasphere

doi: 10.5506/APhysPolB.48.351
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2017WE06      Phys.Lett. B 771, 119 (2017)

T.Welsh, W.Loveland, R.Yanez, J.S.Barrett, E.A.McCutchan, A.A.Sonzogni, T.Johnson, S.Zhu, J.P.Greene, A.D.Ayangeakaa, M.P.Carpenter, T.Lauritsen, J.L.Harker, W.B.Walters, B.M.S.Amro, P.Copp

Modeling multi-nucleon transfer in symmetric collisions of massive nuclei

NUCLEAR REACTIONS 198Pt(204Hg, X), E=1360 MeV; measured reaction products, Eγ, Iγ; deduced fragment yields, σ. Comparison with GRAZING and DNS models.

doi: 10.1016/j.physletb.2017.05.044
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2017WI15      Phys.Rev. C 96, 064301 (2017)

J.Wisniewski, W.Urban, T.Rzaca-Urban, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene

Parity-doublet structure in the 14757La90 nucleus

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγγ-coin, γγ(θ) using Gammasphere array at ANL. 147La; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, parity-doublet structures, alignments, configurations, B(E1)/B(E2) ratios, intrinsic electric dipole moment D0, octupole correlations, Systematics of 3/2+, 5/2+, 7/2+, 3/2-, 7/2- and 11/2- levels in 139,141,143,145,147,149La.

doi: 10.1103/PhysRevC.96.064301
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2016BI10      Phys.Rev. C 94, 025501 (2016)

M.Bishof, R.H.Parker, K.G.Bailey, J.P.Greene, R.J.Holt, M.R.Kalita, W.Korsch, N.D.Lemke, Z.-T.Lu, P.Mueller, T.P.O'Connor, J.T.Singh, M.R.Dietrich

Improved limit on the 225Ra electric dipole moment

NUCLEAR MOMENTS 225Ra; measured Larmor precession in a uniform magnetic field using nuclear-spin-dependent laser light scattering for laser-cooled and trapped 225Ra atoms; deduced upper limit of electric dipole moment (EDM); discussed future improvement of experimental methods in lowering the limit by five orders of magnitude. Comparison with previous experimental results. Relevance to CP violation.

doi: 10.1103/PhysRevC.94.025501
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2016HO13      Phys.Rev. C 94, 021303 (2016)

S.S.Hota, S.K.Tandel, P.Chowdhury, I.Ahmad, M.P.Carpenter, C.J.Chiara, J.P.Greene, C.R.Hoffman, E.G.Jackson, R.V.F.Janssens, B.P.Kay, T.L.Khoo, F.G.Kondev, S.Lakshmi, S.Lalkovski, T.Lauritsen, C.J.Lister, E.A.McCutchan, K.Moran, D.Peterson, U.Shirwadkar, D.Seweryniak, I.Stefanescu, Y.Toh, S.Zhu

Population and decay of a Kπ = 8- two-quasineutron isomer in 244Pu

NUCLEAR REACTIONS 244Pu(208Pb, 208Pb'), E=1430 MeV; 244Pu(47Ti, 47TI'), E=305 MeV; measured Eγ, Iγ, γγ-coin, M1/E2 branching ratios, prompt and off-beam γ rays, half-life of a 2-qp 8- isomer using Gammasphere array at ATLAS-ANL. 244Pu; deduced high-spin levels, J, π, rotational bands, multipolarity, configurations, kinematic and dynamic moments of inertia, (gk-gR)/Q0, reduced hindrance factors for transitions from the isomer. Comparison with multi-qp calculations using Woods-Saxon potential and Lipkin-Nogami pairing. Systematics of moment of inertia plots and 8- isomers for 244Pu, 250Fm and 252No.

doi: 10.1103/PhysRevC.94.021303
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2016MU06      Phys.Rev. C 93, 065803 (2016)

M.Munch, M.Alcorta, H.O.U.Fynbo, M.Albers, S.Almaraz-Calderon, M.L.Avila, A.D.Ayangeakaa, B.B.Back, P.F.Bertone, P.F.F.Carnelli, M.P.Carpenter, C.J.Chiara, J.A.Clark, B.DiGiovine, J.P.Greene, J.L.Harker, C.R.Hoffman, N.J.Hubbard, C.L.Jiang, O.S.Kirsebom, T.Lauritsen, K.L.Laursen, S.T.Marley, C.Nair, O.Nusair, D.Santiago-Gonzalez, J.Sethi, D.Seweryniak, R.Talwar, C.Ugalde, S.Zhu

Independent measurement of the Hoyle state β feeding from 12B using Gammasphere

RADIOACTIVITY 12B(β-)[from 2H(11B, p), E=40 MeV from ATLAS-ANL facility]; measured Eγ, Iγ, γγ-coin, γγ(θ) for the Hoyle state using Gammasphere array. 12C; deduced first excited 2+ and 0+ levels, β branching ratio to the Hoyle state in 12C, logft, indication of higher clustering for the Hoyle state as compared to previous results. Comparison with theoretical calculations using antisymmetrized molecular dynamics (AMD), and with previous experimental results.

doi: 10.1103/PhysRevC.93.065803
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2016NI03      Phys.Rev. C 93, 024301 (2016)

M.N.Nino, E.A.McCutchan, S.V.Smith, C.J.Lister, J.P.Greene, M.P.Carpenter, L.Muench, A.A.Sonzogni, S.Zhu

High-precision γ-ray spectroscopy of the cardiac PET imaging isotope 82Rb and its impact on dosimetry

RADIOACTIVITY 82Rb(EC), (β+)[from daughter product of 82Sr produced in Rb(p, X), E=40-100 MeV reaction at Brookhaven Linear Isotope Producer (BLIP) followed by chemical separation, and transported to ANL for counting]; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array at ANL. 82Kr; deduced levels, J, π, multipolarity, mixing ratios, ϵ+β+ feedings. Dosimetry analysis relevant to cardiac PET imaging technique. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.93.024301
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2015AH03      Phys.Rev. C 91, 044310 (2015)

I.Ahmad, J.P.Greene, F.G.Kondev, S.Zhu

High-resolution α and electron spectroscopy of 98249Cf

RADIOACTIVITY 249Cf(α); measured Eα, Iα, E(ce), I(ce), Eg, Iγ, αγ-, γγ-coin using Argonne double-focusing magnetic spectrometer, planar silicon (PIPS) detector, cooled Si(Li) spectrometer, and LEPS detector. 245Cm; deduced levels, J, π, conversion coefficients for K and higher shells, multipolarity, alpha branching ratios and hindrance factors, bands, configurations, anomalous E1 conversion coefficients. Systematics of anomalous E1 conversion coefficients for E1 transitions in 227Ac, 231,233Pa, 237Np, 239Pu, 243Am, 245Cm.

doi: 10.1103/PhysRevC.91.044310
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2015AH04      Phys.Rev. C 92, 024313 (2015)

I.Ahmad, R.R.Chasman, J.P.Greene, F.G.Kondev, S.Zhu

Electron capture decay of 58-min 22992U and levels in 22991Pa

RADIOACTIVITY 229U(EC)[from 229Th(α, 4n) and 230Th(3He, 4n)]; measured Eγ, Iγ, E(x ray), I(x ray), E(ce), I(ce), γ(x ray)-, γγ-coin, half-life of 229U ground state. 229Pa; deduced levels, J, π, conversion coefficients, multipolarity, EC feedings, logft, Nilsson configurations. Discussed splitting of 5/2+ and 5/2- doublet and signature of octupole deformation. Comparison with shell-model calculations of level structure in 229,231Pa. 225Th, 221Ra(α)[from 229U -> 225Th α decay chain]; measured Eγ, Iγ, E(ce), I(ce). 217Rn, 221Ra; deduced levels, conversion coefficients, multipolarity.

doi: 10.1103/PhysRevC.92.024313
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2015BA20      Phys.Rev. C 91, 064615 (2015)

J.S.Barrett, W.Loveland, R.Yanez, S.Zhu, A.D.Ayangeakaa, M.P.Carpenter, J.P.Greene, R.V.F.Janssens, T.Lauritsen, E.A.McCutchan, A.A.Sonzogni, C.J.Chiara, J.L.Harker, W.B.Walters

136Xe+208Pb reaction: A test of models of multinucleon transfer reactions

NUCLEAR REACTIONS 208Pb(136Xe, X), E=85 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere at ATLAS-ANL facility, σ for projectile-like fragments (PLFs) and target-like fragments (TLFs) by off-line γ-ray spectroscopy for radioactive decay measurements (RD), prompt γ decays recorded during the beam burst (IB), and delayed γ decays recorded between the beam bursts (OB). 116,118Cd, 119,121In, 118,120,122,123,124,126Sn, 119,121,123,125,126,127,128,130Sb, 124,126,128,130,131,132,134Te, 127,128,129,130,131,132,133,135,136I, 128,130,132Xe, 133,134,135,136,137,138Xe, 131,132,133,134,136,137,139,141Cs, 130Ba, 132,134,136,138,139,140,141,142,143Ba, 132,135,136,137,139,140,143La, 136,138,139,140,141,142,143,144,145,146Ce, 139,141,142Pr, 140,142,143,144,145,146,147,148,149Nd, 142,143,145,147,149Pm, 145,146,147,148,149,150,151,152,154Sm, 147,149,151Eu, 152,154,156Gd, 156,158,160,162,164Dy, 160,161Er, 176Yb, 176,178,180,181,182Hf, 179,181Ta, 176,180,182,184,186,187W, 179,185,187Re, 186,188,190,191,192,194,197Os, 188,190,192Ir, 190,191,192,194,196,197,198,200,201,202Pt, 191,192,193,194,196,198,199Au, 194,196,198,200,202,203,204,205,206,208Hg, 196,197,198,199,201,202,203,204,205,206,207Tl, 198,201,202,203,204,206,207,208,209,210,211Pb, 199,201,202,203,204,205,206,207,209,211Bi, 202,204,205,206,207,208,209,210,212,213,214Po, 207,208,209,210,211,213At, 210,211,212,213,214,215,216,218Rn, 211,212,213,215,216Fr, 214Ra; deduced projectile-like fragment cumulative and independent production yields. Comparison with predictions of GRAZING model, and those of Zagrebaev and Greiner model using a quantitative metric. Discussed correlations between TLF and PLF yields.

doi: 10.1103/PhysRevC.91.064615
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2015CH57      Phys.Rev. C 92, 044330 (2015)

J.Chen, F.G.Kondev, I.Ahmad, M.P.Carpenter, J.P.Greene, R.V.F.Janssens, S.Zhu, D.Ehst, V.Makarashvili, D.Rotsch, N.A.Smith

Precise absolute γ-ray and β--decay branching intensities in the decay of 6729Cu

RADIOACTIVITY 67Cu(β-)[from 68Zn(γ, p), E=36 MeV at Argonne Low Energy Accelerator Facility]; measured Eγ, Iγ, Eβ, Iβ, ce, βγ-coin, half-life of isomer in 67Zn, Q(β-) from Fermi-Kurie plots. 67Zn; deduced levels, γ-ray emission probabilities, β-decay branching ratios. Monte Carlo simulations of electron detector efficiency as a function of the β- particle energy using MCNPX code. Comparison with previous experimental values, and with evaluated data.

doi: 10.1103/PhysRevC.92.044330
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2015DA12      Phys.Rev.Lett. 115, 132502 (2015)

H.M.David, J.Chen, D.Seweryniak, F.G.Kondev, J.M.Gates, K.E.Gregorich, I.Ahmad, M.Albers, M.Alcorta, B.B.Back, B.Baartman, P.F.Bertone, L.A.Bernstein, C.M.Campbell, M.P.Carpenter, C.J.Chiara, R.M.Clark, M.Cromaz, D.T.Doherty, G.D.Dracoulis, N.E.Esker, P.Fallon, O.R.Gothe, J.P.Greene, P.T.Greenlees, D.J.Hartley, K.Hauschild, C.R.Hoffman, S.S.Hota, R.V.F.Janssens, T.L.Khoo, J.Konki, J.T.Kwarsick, T.Lauritsen, A.O.Macchiavelli, P.R.Mudder, C.Nair, Y.Qiu, J.Rissanen, A.M.Rogers, P.Ruotsalainen, G.Savard, S.Stolze, A.Wiens, S.Zhu

Decay and Fission Hindrance of Two- and Four-Quasiparticle K Isomers in 254Rf

NUCLEAR REACTIONS 206Pb(50Ti, 2n)254Rf, E=242.5 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced energy levels, J, π, isomer T1/2, unprecedented fission hindrance relative to the ground state. Comparison with multiquasiparticle calculations.

doi: 10.1103/PhysRevLett.115.132502
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2015HA12      Phys.Rev. C 91, 041602 (2015)

K.Hammerton, Z.Kohley, D.J.Hinde, M.Dasgupta, A.Wakhle, E.Williams, V.E.Oberacker, A.S.Umar, I.P.Carter, K.J.Cook, J.Greene, D.Y.Jeung, D.H.Luong, S.D.McNeil, C.S.Palshetkar, D.C.Rafferty, C.Simenel, K.Stiefel

Reduced quasifission competition in fusion reactions forming neutron-rich heavy elements

NUCLEAR REACTIONS 180W(50Cr, X), E(cm)=222.6 MeV; 180W(52Cr, X), E(cm)=221.2 MeV; 180W(54Cr, X), E(cm)=219.8 MeV; 186W(50Cr, X), E(cm)=221.0 MeV; 184W(52Cr, X), E(cm)=220.1 MeV; 182W(54Cr, X), E(cm)=221.0 MeV; 184W(54Cr, X), E(cm)=218.9 MeV; 186W(54Cr, X), E(cm)=218.3 MeV; measured spectra of neutron-rich fragments from fusion-fission and quasifission in coincidence mode, mass-angle distributions (MADs) using the ANU CUBE detector system at ANU's Heavy-Ion Accelerator Facility; deduced strong dependence on the N/Z of the compound system in quasifission system. Comparison with microscopic time-dependent Hartree-Fock calculations of the quasifission process.

doi: 10.1103/PhysRevC.91.041602
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2015OS02      Nucl.Instrum.Methods Phys.Res. B361, 638 (2015)

K.Ostdiek, T.Anderson, W.Bauder, M.Bowers, P.Collon, R.Dressler, J.Greene, W.Kutschera, W.Lu, M.Paul, D.Robertson, D.Schumann, M.Skulski, A.Wallner

Towards a measurement of the half-life of 60Fe for stellar and early Solar System models

RADIOACTIVITY 60Fe(β-); measured decay products; deduced T1/2. Accelerator mass spectrometry, comparison with available data.

doi: 10.1016/j.nimb.2015.05.033
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2015PA30      Phys.Rev.Lett. 114, 233002 (2015)

R.H.Parker, M.R.Dietrich, M.R.Kalita, N.D.Lemke, K.G.Bailey, M.Bishof, J.P.Greene, R.J.Holt, W.Korsch, Z-T.Lu, P.Mueller, T.P.O'Connor, J.T.Singh

First Measurement of the Atomic Electric Dipole Moment of 225Ra

ATOMIC PHYSICS 225Ra; measured precession curves; deduced electric dipole moment limit. Optical dipole trap, comparison with available data.

doi: 10.1103/PhysRevLett.114.233002
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2015ST15      Phys.Rev.Lett. 115, 182501 (2015)

M.G.Sternberg, R.Segel, N.D.Scielzo, G.Savard, J.A.Clark, P.F.Bertone, F.Buchinger, M.Burkey, S.Caldwell, A.Chaudhuri, J.E.Crawford, C.M.Deibel, J.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, A.Perez Galvan, K.S.Sharma, J.Van Schelt, R.M.Yee, B.J.Zabransky

Limit on Tensor Currents from 8Li β Decay

RADIOACTIVITY 8Li(β-) [from 7Li(d, p), E not given]; measured decay products, Eβ, Iβ, Eα, Iα. 6He; deduced β-ν-α correlations. Comparison with available data.

doi: 10.1103/PhysRevLett.115.182501
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2014CH47      Phys.Rev. C 90, 044302 (2014)

J.Chen, I.Ahmad, J.P.Greene, F.G.Kondev

Precise measurements of the 24997Bk ground state half-life and the β- decay end-point energy

RADIOACTIVITY 249Bk(β-), (α); measured Eγ, Iγ, Eβ, Iβ, half-life of 249Bk ground state; deduced end-point energy, Q(β-), mass excess of 249Bk. Comparison with other experimental results and AME-12 evaluation.

doi: 10.1103/PhysRevC.90.044302
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2014HO16      Phys.Lett. B 739, 13 (2014)

S.S.Hota, P.Chowdhury, T.L.Khoo, M.P.Carpenter, R.V.F.Janssens, Y.Qiu, I.Ahmad, J.P.Greene, S.K.Tandel, D.Seweryniak, S.Zhu, P.F.Bertone, C.J.Chiara, A.Y.Deo, N.D'Olympia, S.Gros, C.J.Guess, T.Harrington, D.J.Hartley, G.Henning, C.R.Hoffman, E.G.Jacksona, F.G.Kondev, S.Lakshmi, T.Lauritsen, C.J.Lister, E.A.McCutchan, K.Moran, C.Nair, D.Peterson, U.Shirwadkar, I.Stefanescu

N=151 Pu, Cm and Cf nuclei under rotational stress: Role of higher-order deformations

NUCLEAR REACTIONS 244Pu, 249Cf(208Pb, X)242Pu/243Pu/244Pu/245Pu/246Pu/248Cf/249Cf/250Cf, 248Cm(209Bi, X)246Cm/247Cm/248Cm/249Cm/250Cm, E not given; measured reaction products, Eγ, Iγ. 245Pu, 247Cm, 249Cf; deduced energy levels, J, π, rotational bands, high-spins, deformations. Comparison with available data, Cranked WS model.

doi: 10.1016/j.physletb.2014.10.021
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2014KU28      Phys.Rev. C 90, 064315 (2014)

J.Kurpeta, W.Urban, A.Plochocki, T.Rzaca-Urban, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene, A.Jokinen, H.Penttila

Neutron configurations in 113Pd

RADIOACTIVITY 248Cm, 252Cf(SF); measured prompt Eγ, Iγ, γγ-coin using EOROGAM-II array at Jyvaskyla and Gammasphere array at ANL. 113Pd; deduced levels, J, π, bands configuration, staggering, alignments Comparison with band structures of 109Mo, 109,112,113Pd, 110,111Ru. Discussed possible oblate-shape of low-energy bandheads. 113Rh(β-)[from 238U(p, X), E=25 MeV using IGISOL at Jyvaskyla, followed by mass separation]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin. 113Pd; deduced levels, J, π, logft, configurations, B(GT) strengths and comparison with those from 113Ru to 113Rh decay.

doi: 10.1103/PhysRevC.90.064315
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2014MO32      Phys.Rev. C 90, 041303 (2014)

K.Moran, E.A.McCutchan, C.J.Lister, S.Zhu, M.P.Carpenter, P.Chowdhury, J.P.Greene, T.Lauritsen, E.Merchan, R.Shearman

E5 decay from the Jπ = 11/2- isomer in 137Ba

RADIOACTIVITY 137Cs(β-); measured Eγ, Iγ, γγ-coin using Gammasphere array. 137Ba; deduced levels, new 378-keV E5 decay, branching ratio, B(E5). Relevance to ``two-photon" second-order electromagnetic decay. Systematics of B(E5) values throughout the nuclear chart.

doi: 10.1103/PhysRevC.90.041303
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2014QU04      Nucl.Instrum.Methods Phys.Res. A 757, 62 (2014)

S.J.Quinn, A.Spyrou, A.Simon, A.Battaglia, M.Bowers, B.Bucher, C.Casarella, M.Couder, P.A.Deyoung, A.C.Dombos, J.P.Greene, J.Gorres, A.Kontos, Q.Li, A.Long, M.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, M.K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher

First application of the technique in inverse kinematics

NUCLEAR REACTIONS 1H(27Al, γ), 1H(58Ni, γ), 27Al(p, γ), 58Ni(p, γ), E=956 keV-1.5 GeV; measured products, Eγ, Iγ; deduced resonance parameters. Data were imported from EXFOR entry C2123.

doi: 10.1016/j.nima.2014.05.020
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2014SC11      Nucl.Data Sheets 120, 70 (2014)

N.D.Scielzo, R.M.Yee, P.F.Bertone, F.Buchinger, S.A.Caldwell, J.A.Clark, A.Czeszumska, C.M.Deibel, J.P.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, E.B.Norman, S.Padgett, M.Pedretti, A.Perez Galvan, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, J.Van Schelt, B.J.Zabransky

A Novel Approach to β-delayed Neutron Spectroscopy Using the Beta-decay Paul Trap

RADIOACTIVITY 137I(β-); measured decay products, Eβ, Iβ.; deduced neutron energy spectrum and branching ratio. Comparison with available data.

doi: 10.1016/j.nds.2014.07.009
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2013AH03      Phys.Rev. C 87, 054328 (2013)

I.Ahmad, J.P.Greene, F.G.Kondev, S.Zhu, M.P.Carpenter, R.V.F.Janssens, R.A.Boll, J.G.Ezold, S.M.Van Cleve, E.Browne

α decay of 97249Bk and levels in 95245Am

RADIOACTIVITY 249Bk(α); measured Eγ, Iγ, Eα, Iα, γα-, γγ-coin, absolute Iγ of 327.45-keV γ ray. Alpha spectra measured using Argonne double-focusing magnetic spectrometer. 249Cf(α)[from 249Bk β- decay]; measured Eα, Eγ. 245Am; deduced levels, J, π, bands, Nilsson configurations, strong Coriolis mixing, hindrance factors. Comparison with previous experimental results. Systematics of low-lying levels in 239,241,243,245Am.

doi: 10.1103/PhysRevC.87.054328
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2013CZ02      Phys.Rev. C 88, 044314 (2013)

M.Czerwinski, T.Rzaca-Urban, K.Sieja, H.Sliwinska, W.Urban, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene, T.Materna

Yrast excitations in the neutron-rich N=52 isotones

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array at ANL. 88Kr; deduced levels, J, π, mixing ratio, multipolarity. 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array for 252Cf, and Eurogam2 array in a previous experiment for 248Cm. 86Se; deduced levels, J, π. 160Sm, 162Gd; observed γ rays from γγ-coin with complementary fission fragments. Comparison with shell-model calculations, and systematics of N=52 even-even nuclei.

NUCLEAR STRUCTURE 82Zn, 84Ge, 86Se, 88Kr, 90Sr, 94Mo, 96Ru; calculated levels, J, π using shell model. Systematics of yrast states up to 8+ of even-even N=52 Ge, Se, Kr, Sr, Zr, Mo and Ru nuclei. 82Zn; predicted energies of first 2+ and 4+ states from systematics. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.044314
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2013HO15      Phys.Rev. C 88, 025804 (2013)

D.Howell, B.Davids, J.P.Greene, R.Kanungo, S.Mythili, C.Ruiz, G.Ruprecht, I.J.Thompson

First determination of the 8Li valence neutron asymptotic normalization coefficient using the 7Li(8Li, 7Li)8Li reaction

NUCLEAR REACTIONS 7Li(8Li, 7Li)8Li, E=11 MeV; measured 8Li particle spectra, (7Li)(8Li)-coin, σ(θ) using TUDA array at ISAC-TRIUMF. 8Li; deduced valence neutron asymptotic normalization coefficient (ANC) using DWBA analysis. 8B; deduced valence proton ANC from isospin asymmetry. 7Be (p, γ)8B; deduced astrophysical S-factor (S17(0)). Comparison with previous data.

doi: 10.1103/PhysRevC.88.025804
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2013SN01      Phys.Lett. B 723, 61 (2013)

J.B.Snyder, W.Reviol, D.G.Sarantites, A.V.Afanasjev, R.V.F.Janssens, H.Abusara, M.P.Carpenter, X.Chen, C.J.Chiara, J.P.Greene, T.Lauritsen, E.A.McCutchan, D.Seweryniak, S.Zhu

High-spin transition quadrupole moments in neutron-rich Mo and Ru nuclei: Testing γ softness?

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 102,104,106,108Mo, 108,110,112Ru; deduced energy levels, J, π, kinematic and dynamic moments of inertia, B(E2), transition quadrupole moments, potential energy surfaces. Comparison with available data.

doi: 10.1016/j.physletb.2013.04.046
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2013ST14      Eur.Phys.J. A 49, 63 (2013)

A.M.Stefanini, G.Montagnoli, F.Scarlassara, C.L.Jiang, H.Esbensen, E.Fioretto, L.Corradi, B.B.Back, C.M.Deibel, B.Di Giovine, J.P.Greene, H.D.Henderson, S.T.Marley, M.Notani, N.Patel, K.E.Rehm, D.Sewerinyak, X.D.Tang, C.Ugalde, S.Zhu

Fusion of 60Ni + 100Mo near and below the Coulomb barrier - Multi-phonon and transfer couplings down to the hindrance region

NUCLEAR REACTIONS 100Mo(60Ni, X), (64Ni, X), E=196-262 MeV; measured particle tracks; deduced fusion σ, logarithmic excitation function slope; calculated fusion σ using CCFULL CC code.

doi: 10.1140/epja/i2013-13063-2
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2013YE02      Phys.Rev.Lett. 110, 092501 (2013)

R.M.Yee, N.D.Scielzo, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, C.M.Deibel, J.Fallis, J.P.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, E.B.Norman, M.Pedretti, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, J.Van Schelt, B.J.Zabransky

β-Delayed Neutron Spectroscopy Using Trapped Radioactive Ions

RADIOACTIVITY 137I(β-n) [from 252Cf(SF)];measured decay products, TOF, Eβ, Iβ, Eγ, Iγ, En, In; deduced βn branching ratios. Linear Paul trap.

doi: 10.1103/PhysRevLett.110.092501
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2012DE05      Phys.Rev. C 85, 034320 (2012)

G.de Angelis, K.T.Wiedemann, T.Martinez, R.Orlandi, A.Petrovici, E.Sahin, J.J.Valiente-Dobon, D.Tonev, S.Lunardi, B.S.Nara Singh, R.Wadsworth, A.Gadea, K.Kaneko, P.G.Bizzeti, A.M.Bizzeti-Sona, B.Blank, A.Bracco, M.P.Carpenter, C.J.Chiara, E.Farnea, A.Gottardo, J.P.Greene, S.M.Lenzi, S.Leoni, C.J.Lister, D.Mengoni, D.R.Napoli, O.L.Pechenaya, F.Recchia, W.Reviol, D.G.Sarantites, D.Seweryniak, C.A.Ur, S.Zhu

Shape isomerism and shape coexistence effects on the Coulomb energy differences in the N=Z nucleus 66As and neighboring T=1 multiplets

NUCLEAR REACTIONS 40Ca(32S, npα)66As, E=90 MeV; measured Eγ, Iγ, γ(θ), angular asymmetry ratios, (particle)nγ-, γγ-coin, particle and neutron spectra, isomer half-life using Gammasphere array at ATLAS facility. 66As; deduced levels, J, π, shape isomer, B(E2), isospin=1 states, Coulomb energy differences (CED); calculated neutron single-particle energies. Breaking of isospin symmetry and correlations induced by the Coulomb interaction. Comparison with shell model and Complex excited Vampir calculations.

doi: 10.1103/PhysRevC.85.034320
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2012HO11      Phys.Rev. C 85, 054318 (2012)

C.R.Hoffman, B.B.Back, B.P.Kay, J.P.Schiffer, M.Alcorta, S.I.Baker, S.Bedoor, P.F.Bertone, J.A.Clark, C.M.Deibel, B.DiGiovine, S.J.Freeman, J.P.Greene, J.C.Lighthall, S.T.Marley, R.C.Pardo, K.E.Rehm, A.Rojas, D.Santiago-Gonzalez, D.K.Sharp, D.V.Shetty, J.S.Thomas, I.Wiedenhover, A.H.Wuosmaa

Experimental study of the 19O(d, p)20O reaction in inverse kinematics

NUCLEAR REACTIONS 2H(19O, p), [19O secondary beam from 2H(18O, 19O), E=8.06 MeV/nucleon primary reaction], E=6.61 MeV/nucleon; measured E(p), I(p), 19,20O spectra, (recoils)p-coin, energy loss, cross sections, proton yields, σ(θ) using HELIOS spectrometer at Atlas facility. 20O; deduced levels, L-transfers, J, π, spectroscopic factors, T=1 diagonal two-body matrix elements. DWBA analysis. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.85.054318
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2012KI16      Science 335, 1614 (2012)

N.Kinoshita, M.Paul, Y.Kashiv, P.Collon, C.M.Deibel, B.DiGiovine, J.P.Greene, D.J.Henderson, C.L.Jiang, S.T.Marley, T.Nakanishi, R.C.Pardo, K.E.Rehm, D.Robertson, R.Scott, C.Schmitt, X.D.Tang, R.Vondrasek, A.Yokoyama

A Shorter 146Sm Half-Life Measured and Implications for 146Sm-142Nd Chronology in the Solar System

RADIOACTIVITY 146Sm(α); measured decay products, Eα, Iα; deduced T1/2 and its uncertainty and 146Sm/144Sm ratio. 146Sm - 142Nd clock, comparison with available data.

doi: 10.1126/science.1215510
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2012KO07      Phys.Rev. C 85, 027304 (2012)

F.G.Kondev, S.Zhu, M.P.Carpenter, R.V.F.Janssens, I.Ahmad, C.J.Chiara, J.P.Greene, T.Lauritsen, D.Seweryniak, S.Lalkovski, P.Chowdhury

M3 and E4 K-forbidden decays of the Kπ=23/2- isomer in 177Lu

RADIOACTIVITY 177mLu(IT), (β-)[from 176Lu(n, γ), E=thermal]; measured Eγ, Iγ, γγ-coin using Gammasphere array. 177Lu, 177Hf; deduced levels, J, π, bands, B(E3), B(M3), B(E4), B(M4), B(E5), hindrance factors, configurations.

doi: 10.1103/PhysRevC.85.027304
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2012KO23      Appl.Radiat.Isot. 70, 1867 (2012)

F.G.Kondev, I.Ahmad, M.P.Carpenter, J.P.Greene, R.V.F.Janssens, T.Lauritsen, D.Seweryniak, S.Zhu, S.P.Lalkovski, P.Chowdhury

Gamma-ray emission probabilities in the decay of 177mLu

RADIOACTIVITY 177mLu(IT), (β-); measured decay products, Eγ, Iγ; deduced relative and absolute γ-ray emission probabilities. Comparison with available data.

doi: 10.1016/j.apradiso.2012.02.029
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2012KU06      Phys.Rev. C 85, 027302 (2012)

J.Kurpeta, W.Urban, T.Materna, H.Faust, U.Koster, J.Rissanen, T.Rzaca-Urban, C.Mazzocchi, A.G.Smith, J.F.Smith, J.P.Greene, I.Ahmad

Low-spin structure of 85Se and the βn branching of 85As

RADIOACTIVITY 85As(β-)[from 235U(n, F)]; measured Eγ, Iγ, βγ-, γγ-coin. 85Se; deduced levels, J, π, configuration. 85As(β-n); discussed delayed neutron decay branch.

RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin for prompt γ rays. 85Se; deduced levels, J, π. Eurogam2 and Gammasphere arrays.

doi: 10.1103/PhysRevC.85.027302
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2012MA03      Acta Phys.Pol. B43, 247 (2012)

T.Malkiewicz, G.S.Simpson, W.Urban, J.Genevey, J.A.Pinston, I.Ahmad, J.P.Greene, U.Koster, T.Materna, M.Ramdhane, T.Rzaca-Urban, A.G.Smith, G.Thiamova

Recent Studies of Odd-A, Neutron-rich Pr Isotopes

NUCLEAR REACTIONS 241Am(n, F)151Pr, E=thermal; measured reaction products, Eγ, Iγ; deduced level energies, J, π, E1 multipolarity transition. Comparison with QPRM calculations.

doi: 10.5506/APhysPolB.43.247
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2012MA13      Phys.Rev. C 85, 044314 (2012)

T.Malkiewicz, G.S.Simpson, W.Urban, J.Genevey, U.Koster, T.Materna, J.A.Pinston, M.Ramdhane, T.Rzaca-Urban, G.Thiamova, A.G.Smith, I.Ahmad, J.P.Greene

Near-yrast structure of odd-A, neutron-rich Pr isotopes

RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), using EUROGAM-II, and Gammasphere arrays. 151,153Pr; deduced high-spin levels, J, π, multipolarity, rotational bands, alignments, configurations, mass correlation plots. Comparison with reflection-symmetric quasi-particle-rotor model (QPRM) calculations. 93Rb, 99Y, 99,101Zr, 107Tc, 148Ce; measured Eγ, γγ-coin.

NUCLEAR REACTIONS 241Am(n, F), E=thermal; measured Eγ, Iγ, ce, (fragment)γ-coin, delayed γ, ce, half-lives. 151Pr; deduced levels, J, π, conversion coefficients, multipolarities, bands, Nilsson configurations. Comparison with QRPM calculations.

NUCLEAR STRUCTURE 151,153Pr; calculated levels, J, π, rotational bands. Quasi-particle-rotor model using computer codes GAMPN, ASYRMO, and PROBAMO.

doi: 10.1103/PhysRevC.85.044314
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2012MC03      Phys.Rev. C 86, 014312 (2012)

E.A.McCutchan, C.J.Lister, StevenC.Pieper, R.B.Wiringa, D.Seweryniak, J.P.Greene, P.F.Bertone, M.P.Carpenter, C.J.Chiara, G.Gurdal, C.R.Hoffman, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, S.Zhu

Lifetime of the 21+ state in 10C

NUCLEAR REACTIONS 1H(10B, n)10C, E=95 MeV; measured Eγ, Iγ, (10C)γ-coin, energy loss versus total energy plot, DSA, half-life of first 2+ state using Gammasphere array and FMA at ANL facility; deduced B(E2). Comparison with B(E2) value for 10Be, and with calculations using VMC and GFMC methods.

NUCLEAR STRUCTURE 10Be, 10B, 10C; calculated energies of ground states and first two 2+ states, ground-state charge radii, quadrupole moments, B(E2) values. VMC and GFMC methods with AV18+IL7 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.014312
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2012MC05      Phys.Rev. C 86, 057306 (2012)

E.A.McCutchan, C.J.Lister, M.Elvers, D.Savran, J.P.Greene, T.Ahmed, T.Ahn, N.Cooper, A.Heinz, R.O.Hughes, G.Ilie, B.Pauerstein, D.Radeck, N.Shenkov, V.Werner

Precise γ-ray intensity measurements in 10B

NUCLEAR REACTIONS 10B(p, p'), E=10 MeV; measured Eγ, Iγ, proton spectra, pγ-coin, at Yale tandem facility. 10B; deduced levels, γ-ray branching ratios, E2 branch from 5164-keV level, B(E2). Comparison with previous studies.

doi: 10.1103/PhysRevC.86.057306
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2012PA08      Phys.Rev. C 85, 035808 (2012), Erratum Phys.Rev. C 88, 039902 (2013)

A.Palumbo, W.P.Tan, J.Gorres, A.Best, M.Couder, R.Crowter, R.J.de Boer, S.Falahat, P.J.LeBlanc, H.Y.Lee, S.O'Brien, E.Strandberg, M.Wiescher, J.P.Greene, Zs.Fulop, G.G.Kiss, E.Somorjai, N.Ozkan, G.Efe, R.T.Guray

Systematic study of the α-optical potential via elastic scattering near the Z=50 region for p-process nuclei

NUCLEAR REACTIONS 106Cd, 118Sn, 120,124,126,128,130Te(α, α), E=17-27 MeV; measured Eα, Iα, σ(E, θ). 106Cd, 112Sn(α, γ), E(cm)=7-12.5 MeV; 106Cd, 120Te(α, n), E(cm)=9.7-12.5 MeV; 118Sn(α, n), E=11-16.5 MeV; 106Cd(α, p), E(cm)=8.6-10.3 MeV; 112Sn(α, p), E(cm)=9.2-12.0 MeV; deduced σ and S factors relevant to p-process nuclei. Optical model analysis. HF statistical model calculations. Comparisons with other measurements.

doi: 10.1103/PhysRevC.85.035808
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2012PA41      Phys.Rev. C 86, 065503 (2012)

R.H.Parker, M.R.Dietrich, K.Bailey, J.P.Greene, R.J.Holt, M.R.Kalita, W.Korsch, Z.-T.Lu, P.Mueller, T.P.O'Connor, J.Singh, I.A.Sulai, W.L.Trimble

Efficient, tightly-confined trapping of 226Ra

ATOMIC PHYSICS 226Ra; measured transfer efficiencies from three-dimensional magneto-optical trap (MOT) to standing wave optical dipole trap (ODT). Electric dipole moment (EDM) measurements at Argonne National Laboratory.

doi: 10.1103/PhysRevC.86.065503
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2012SC09      Nucl.Instrum.Methods Phys.Res. A681, 94 (2012)

N.D.Scielzo, G.Li, M.G.Sternberg, G.Savard, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, J.Crawford, C.M.Deibel, J.Fallis, J.P.Greene, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, M.Pedretti, R.E.Segel, H.Sharma, K.S.Sharma, I.Tanihata, J.Van Schelt, R.M.Yee, B.J.Zabransky

The β-decay Paul trap: A radiofrequency-quadrupole ion trap for precision β-decay studies

RADIOACTIVITY 8Li(β-), (α); measured decay products, Eβ, Iβ, Eα, Iα, nuclear recoils; deduced technique for the β-ν angular correlations.

doi: 10.1016/j.nima.2012.04.035
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2012UR01      Phys.Rev. C 85, 014329 (2012)

W.Urban, K.Sieja, G.S.Simpson, T.Soldner, T.Rzaca-Urban, A.Zlomaniec, I.Tsekhanovich, J.A.Dare, A.G.Smith, J.L.Durell, J.F.Smith, R.Orlandi, A.Scherillo, I.Ahmad, J.P.Greene, J.Jolie, A.Linneman

Isomeric levels in 92Rb and the structure of neutron-rich 92, 94Rb isotopes

RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives by γ(t), delayed and prompt γ. 92,94Rb; deduced levels, J, π, isomers, multipolarity, configuration, B(E1). EUROGAM2 and the GAMMASPHERE arrays. Comparison with large-scale shell-model calculations.

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragment spectra, Eγ, mass spectra, γ(fission fragment)-coin. 92Rb; deduced level, isomer.

NUCLEAR STRUCTURE 92,94Rb; calculated levels, J, π. Large scale shell-model. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.014329
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2012VA02      Phys.Rev. C 85, 045805 (2012)

J.Van Schelt, D.Lascar, G.Savard, J.A.Clark, S.Caldwell, A.Chaudhuri, J.Fallis, J.P.Greene, A.F.Levand, G.Li, K.S.Sharma, M.G.Sternberg, T.Sun, B.J.Zabransky

Mass measurements near the r-process path using the Canadian Penning Trap mass spectrometer

ATOMIC MASSES 133,134Sb, 134,135,136,137Te, 135,136,137,138,139I, 137,138,139,140,141Xe, 141,142Cs, 153,155Pr, 153,155,157Nd, 153,155,156,157,158,159Pm, 155,157,158,159,160,161Sm, 158,159,160,161Eu, 163Gd; measured cyclotron frequency ratios; deduced mass excess, atomic masses. Canadian Penning Trap mass spectrometer at ANL. Comparison with AME-2003 evaluation and theoretical mass models. Systematics of S(2n) values.

doi: 10.1103/PhysRevC.85.045805
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2011AL09      Phys.Rev.Lett. 106, 172701 (2011)

M.Alcorta, K.E.Rehm, B.B.Back, S.Bedoor, P.F.Bertone, C.M.Deibel, B.DiGiovine, H.Esbensen, J.P.Greene, C.R.Hoffmann, C.L.Jiang, J.C.Lighthall, S.T.Marley, R.C.Pardo, M.Paul, A.M.Rogers, C.Ugalde, A.H.Wuosmaa

Fusion Reactions with the One-Neutron Halo Nucleus 15C

NUCLEAR REACTIONS 232Th(13C, X), (14C, X), (15C, X), E(cm)=50-70 MeV; measured fusion fission fragments; deduced yields, σ, 15C+232Th cross section enhancement. Comparison with experimental data, couple-channel calculations.

doi: 10.1103/PhysRevLett.106.172701
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2011DE28      Phys.Rev. C 84, 045802 (2011)

C.M.Deibel, K.E.Rehm, J.M.Figueira, J.P.Greene, C.L.Jiang, B.P.Kay, H.Y.Lee, J.C.Lighthall, S.T.Marley, R.C.Pardo, N.Patel, M.Paul, C.Ugalde, A.Woodard, A.H.Wuosmaa, G.Zinkann

First measurement of the 33Cl(p, α)30S reaction

NUCLEAR REACTIONS 1H(33Cl, α)30S, [33Cl secondary beam from 2H(32S, 33Cl), E=320 MeV primary reaction], E=208.1, 229.1, 250.6 MeV; measured Eα, Iα, particle spectra, (30S)α-coin; deduced cross sections. Enge split-pole magnetic spectrograph. Comparison of measured σ with NON-SMOKER code calculations.

doi: 10.1103/PhysRevC.84.045802
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2011HA15      Int.J.Mod.Phys. E20, 474 (2011)

A.B.Hayes, D.Cline, C.Y.Wu, A.M.Hurst, M.P.Carpenter, J.P.Greene, R.V.F.Janssens, T.Lauritsen, D.Seweryniak, S.Zhu, S.A.Karamian, P.M.Walker, T.P.D.Swan, S.V.Rigby, D.M.Cullen, N.M.Lumley, P.Mason, J.J.Carroll, B.Detwiler, T.Harle, I.Mills, G.Trees

New structures in 178Hf and Coulomb excitation of isomers

NUCLEAR REACTIONS 208Pb(178Hf, 178Hf'), E=985 MeV; measured Eγ, Iγ, particle-γ-coin.; deduced energy levels, J, π, isomer bands, rotational sequence feeding.

doi: 10.1142/S0218301311017879
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2011KO32      Nucl.Instrum.Methods Phys.Res. A652, 654 (2011)

F.G.Kondev, I.Ahmad, J.P.Greene, A.L.Nichols, M.A.Kellett

Measurements of absolute gamma-ray emission probabilities in the decay of 233Pa

RADIOACTIVITY 233Pa(β-) [from 237Nb(α)]; measured decay products, Eγ, Iγ, Eα, Iα; deduced γ-emission probabilities. Comparison with experimental data.

doi: 10.1016/j.nima.2011.01.147
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2011LO10      Phys.Rev. C 83, 044610 (2011)

W.Loveland, A.M.Vinodkumar, D.Peterson, J.P.Greene

Synthesis of heavy nuclei using damped collisions: A test

NUCLEAR REACTIONS 186W(160Gd, X), E=860 MeV; measured Eγ, Iγ, yields of the reaction products by activation method; deduced σ and σ(θ) as a function of charge and mass number. Synthesis of heavy nuclei. Comparison with the predictions of Zagrebaev and Greiner.

doi: 10.1103/PhysRevC.83.044610
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2011MA46      Phys.Rev. C 84, 025801 (2011)

A.Matic, A.M.van den Berg, M.N.Harakeh, H.J.Wortche, M.Beard, G.P.A.Berg, J.Gorres, P.LeBlanc, S.O'Brien, M.Wiescher, K.Fujita, K.Hatanaka, Y.Sakemi, Y.Shimizu, Y.Tameshige, A.Tamii, M.Yosoi, T.Adachi, Y.Fujita, Y.Shimbara, H.Fujita, T.Wakasa, J.P.Greene, R.Crowter, H.Schatz

High-precision 28Si( p, t)26Si reaction to determine 22Mg(α, p)25Al reaction rates

NUCLEAR REACTIONS 28Si(p, t)26Si, E=98.7 MeV; measured E(t), I(t), angular distributions using Grand Raiden spectrometer at RCNP facility. 26Si; deduced levels above the α-emission threshold, J, π, α-resonances, spectroscopic factors. 22Mg(α, p)25Al; deduced stellar reaction rates using the narrow resonance formalism. Comparison with theoretical calculations.

doi: 10.1103/PhysRevC.84.025801
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2011RO20      Phys.Rev. C 83, 064311 (2011)

A.P.Robinson, T.L.Khoo, D.Seweryniak, I.Ahmad, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, J.Greene, P.T.Greenlees, K.Hauschild, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, D.G.Jenkins, G.D.Jones, S.Ketelhut, F.G.Kondev, T.Lauritsen, C.J.Lister, A.Lopez-Martens, P.Marley, E.McCutchan, P.Papadakis, D.Peterson, J.Qian, D.Rostron, U.Shirwadkar, I.Stefanescu, S.K.Tandel, X.Wang, S.Zhu

Search for a 2-quasiparticle high-K isomer in 256Rf

NUCLEAR STRUCTURE 256Rf; calculated ground state and rotational band energies, configurations using Woods-Saxon Potential.

NUCLEAR REACTIONS 208Pb(50Ti, 2n), E=240 MeV; measured Eγ, Iγ, ce, γγ-, γ(ce)-coin, γ(t), half-life. 256Rf; deduced levels, J, π, isomers, configurations; calculated energies of two-quasiparticle high-K isomers with the universal Woods-Saxon energies. 170Er(50Ti, 4n)216Th, E=222 MeV; measured Eγ, ce, γ(ce)-coin from isomer, half-life, isomer ratio; used as a test case.

doi: 10.1103/PhysRevC.83.064311
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2011WA12      Phys.Lett. B 701, 306 (2011)

R.Wadsworth, I.Ragnarsson, B.G.Carlsson, H.-L.Ma, P.J.Davies, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, J.Greene, A.Gorgen, D.G.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.G.Sarantites, D.Seweryniak, C.E.Svensson, J.J.Valiente-Dobon

Evidence for shape coexistence at medium spin in 76Rb

NUCLEAR REACTIONS 40Ca(40Ca, n3p)76Rb, E=165 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced rotational bands, energies, J, π, negative-parity bands, oblate and prolate shape coexistence. Cranked Nilsson-Strutinsky model calculations.

doi: 10.1016/j.physletb.2011.06.006
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2011ZH56      Nucl.Instrum.Methods Phys.Res. A652, 231 (2011)

S.Zhu, F.G.Kondev, M.P.Carpenter, I.Ahmad, C.J.Chiara, J.P.Greene, G.Gurdal, R.V.F.Janssens, S.Lalkovski, T.Lauritsen, D.Seweryniak

γ-ray coincidence and fast-timing measurements using LaBr3(Ce) detectors and gammasphere

RADIOACTIVITY 177Lu(IT); measured decay products, Eγ, Iγ; deduced γ-ray energies, J, π, T1/2.

doi: 10.1016/j.nima.2010.10.059
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2010DA19      Phys.Rev. C 82, 061303 (2010)

P.J.Davies, A.V.Afanasjev, R.Wadsworth, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, G.F.Grinyer, B.Hyland, D.G.Jenkins, F.L.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, D.Ward

Evidence of nontermination of collective rotation near the maximum angular momentum in 75Rb

NUCLEAR REACTIONS 40Ca(40Ca, pα), E=165 MeV; measured Eγ, Iγ, γγ-coin, level half-lives with residual Doppler attenuation method using Gammasphere array. 75Kr; deduced transition quadrupole moments for two rotational bands from measured half-lives. Comparison with data for bands in 74Kr and 109Sb. Cranked Nilsson-Strutinsky (CNS) and cranked relativistic mean field (CRMF) calculations.

doi: 10.1103/PhysRevC.82.061303
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2010HA24      Phys.Rev. C 82, 044319 (2010)

A.B.Hayes, D.Cline, K.J.Moody, I.Ragnarsson, C.Y.Wu, J.A.Becker, M.P.Carpenter, J.J.Carroll, D.Gohlke, J.P.Greene, A.A.Hecht, R.V.F.Janssens, S.A.Karamian, T.Lauritsen, C.J.Lister, R.A.Macri, R.Propri, D.Seweryniak, X.Wang, R.Wheeler, S.Zhu

Coulomb excitation of a 242Am isomeric target: E2 and E3 strengths, rotational alignment, and collective enhancement

NUCLEAR REACTIONS 242mAm(40Ar, 40Ar'), E=170.5 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin using Gammasphere array. 242Am; deduced levels, J, π, rotational bands, Nilsson configurations, band parameters, alignments, B(E1), B(E2) and B(E3) strengths. Coulomb excitation. Comparison of alignment of the observed bands in 242Am with single-particle alignments in 241Am and with particle-rotor model calculations.

doi: 10.1103/PhysRevC.82.044319
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2010HO15      Nucl.Phys. A844, 53c (2010)

R.J.Holt, I.Ahmad, K.Bailey, B.Graner, J.P.Greene, W.Korsch, Z.-T.Lu, P.Mueller, T.P.O'Connor, I.A.Sulai, W.L.Trimble

Progress toward an EDM measurement in 225Ra

doi: 10.1016/j.nuclphysa.2010.05.013
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2010HU02      Phys.Rev. C 81, 014312 (2010)

A.M.Hurst, C.Y.Wu, M.A.Stoyer, D.Cline, A.B.Hayes, S.Zhu, M.P.Carpenter, K.Abu Saleem, I.Ahmad, J.A.Becker, C.J.Chiara, J.P.Greene, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, G.Mukherjee, S.V.Rigby, D.Seweryniak, I.Stefanescu

Rotational alignments in 235Np and the possible role of j15/2 neutrons

NUCLEAR REACTIONS 237Np(116Sn, 118Sn)235Np, E=801 MeV; measured Eγ, Iγ, γγ-, (particle)γ-, (fragment)( fragment)γ-coin, and angular distribution of γ-ray yields for 116Sn, 117Sn and 118Sn using the Gammasphere and CHICO arrays. 235Np; deduced levels, J, π, bands, angular momentum, moment of inertia as functions of rotational frequency, configurations. 116,117,118Sn; measured Eγ, γγ-coin. Comparison with cranked shell-model calculations and with alignment plots for 237Np and 241Am.

doi: 10.1103/PhysRevC.81.014312
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2010JI03      Phys.Rev. C 81, 024611 (2010)

C.L.Jiang, K.E.Rehm, H.Esbensen, B.B.Back, R.V.F.Janssens, P.Collon, C.M.Deibel, B.DiGiovine, J.M.Figueira, J.P.Greene, D.J.Henderson, H.Y.Lee, M.Notani, S.T.Marley, R.C.Pardo, N.Patel, D.Seweryniak, X.D.Tang, C.Ugalde, S.Zhu

Fusion hindrance for 27Al+45Sc and other systems with a positive Q value

NUCLEAR REACTIONS 45Sc(27Al, X), E=51-82 MeV; measured fragment spectra, σ, astrophysical S-factor. Comparison with coupled-channels calculations. 14N(14N, X), E=4-11 MeV; 30Si(28Si, X), E=25-31 MeV; 45Sc(27Al, X), E=32-39 MeV; 64Ni(28Si, X), E=44-51 MeV; 40Ca(40Ca, X), E=49-57 MeV; 48Ca(48Ca, X), E=46-56 MeV; 48Ca(36S, X), E=37-48 MeV; comparison of measured cross sections and astrophysical S-factors with coupled-channel calculations.

doi: 10.1103/PhysRevC.81.024611
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2010KE05      Phys.Lett. B 692, 297 (2010)

G.Kessedjian, B.Jurado, M.Aiche, G.Barreau, A.Bidaud, S.Czajkowski, D.Dassie, B.Haas, L.Mathieu, L.Audouin, N.Capellan, L.Tassan-Got, J.N.Wilson, E.Berthoumieux, F.Gunsing, Ch.Theisen, O.Serot, E.Bauge, I.Ahmad, J.P.Greene, R.V.F.Janssens

Neutron-induced fission cross sections of short-lived actinides with the surrogate reaction method

NUCLEAR REACTIONS 243Am(3He, d), (3He, t), (3He, α), E=24, 30 MeV; 242,243Cm, 241Am(n, F), E<10 MeV; measured surrogate reaction products; deduced fission σ. Comparison with experimental data, JENDL-3.3, ENDF/B-VII.0 and JEFF-3.1 libraries.

doi: 10.1016/j.physletb.2010.07.048
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2010KO27      Appl.Radiat.Isot. 68, 2382 (2010)

F.G.Kondev, I.Ahmad, J.P.Greene, M.A.Kellett, A.L.Nichols

Measurements of X- and γ-ray emission probabilities in the β- decay of 233Pa

RADIOACTIVITY 233Pa(β-) [from 237Np(α)]; measured Eγ, γ; deduced emission probabilities for x-rays and γ-ray transitions.

doi: 10.1016/j.apradiso.2010.06.009
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2010LE02      Phys.Rev. C 81, 015802 (2010)

H.Y.Lee, J.P.Greene, C.L.Jiang, R.C.Pardo, K.E.Rehm, J.P.Schiffer, A.H.Wuosmaa, N.J.Goodman, J.C.Lighthall, S.T.Marley, K.Otsuki, N.Patel, M.Beard, M.Notani, X.D.Tang

Experimental study of the 11, 12B(n, γ) reactions and their influence on r-process nucleosynthesis of light elements

NUCLEAR REACTIONS 2H(11B, p), E=81 MeV; 2H(12B, p), E=75 MeV; measured proton and 11,12,13B particle spectra, σ(θ). 12,13B; deduced levels, J, π, l-transfers. Comparison with DWBA calculations. 11B, 12B(n, γ); deduced reaction rates of astrophysical relevance, and abundances of 11B and 12B in r process.

doi: 10.1103/PhysRevC.81.015802
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2010LI49      Bull.Am.Phys.Soc. 55, MG5 (2010)

C.J.Lister, E.A.McCutchan, R.B.Wiringa, S.C.Pieper, D.Seweryniak, J.P.Greene, P.F.Bertone, M.P.Carpenter, C.R.Hoffman, G.Henning, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, S.Shu, G.Gurdal, C.J.Chiara

A precise determination of the 10C excited state lifetime

NUCLEAR REACTIONS 1H(10B, n)10C, E=95 MeV; measured reaction products, Eγ, Iγ; deduced excited state lifetime, B(E2). Doppler Shift Attenuation Method (DSAM).


2010SE10      Nucl.Phys. A834, 357c (2010)

D.Seweryniak, T.L.Khoo, I.Ahmad, F.G.Kondev, A.Robinson, S.K.Tandel, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, S.Eeckhaudt, J.P.Greene, P.T.Greenlees, S.Gros, K.Hauschild, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, D.G.Jenkins, G.D.Jones, S.Ketelhut, T.Lauritsen, C.J.Lister, A.Lopez-Martens, P.Marley, E.A.McCutchan, T.Nakatsukasa, P.Papadakis, D.Peterson, J.Qian, D.Rostron, I.Stefanescu, U.S.Tandel, X.F.Wang, S.F.Zhu

Bridging the nuclear structure gap between stable and super heavy nuclei

NUCLEAR STRUCTURE 249Bk; calculated single-proton energies using different interactions; 252,254No, 256,257Rf; deduced configurations. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.039
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2010SI03      Phys.Rev. C 81, 024313 (2010)

G.S.Simpson, W.Urban, J.A.Pinston, J.C.Angelique, I.Deloncle, H.R.Faust, J.Genevey, U.Koster, T.Materna, R.Orlandi, A.Scherillo, A.G.Smith, J.F.Smith, T.Rzaca-Urban, I.Ahmad, J.P.Greene

Near-yrast structure of N=93 neutron-rich lanthanide nuclei

NUCLEAR REACTIONS 239Pu(n, F), 241Am(n, F), E=thermal; measured Eγ, Iγ, ce, γγ-, (x ray)γ-, (ce)γ-, (fragment)γ-coin, delayed γ, and half-lives. 153Nd, 155Sm; deduced levels, J, π, conversion coefficients, multipolarities, bands, Nilsson configurations. Comparison with quasiparticle-rotor-model (QPRM) calculations.

RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, and half-lives using Gammasphere and Eurogam-II arrays. 151Ce, 153Nd; deduced levels, J, π, bands, and configurations. Comparison with quasiparticle-rotor-model (QPRM) calculations. 151Ce, 153Nd, 155Sm, 157Gd, 159Dy; systematics of bandheads.

doi: 10.1103/PhysRevC.81.024313
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2010SI17      Phys.Rev. C 82, 024302 (2010)

G.S.Simpson, W.Urban, K.Sieja, J.A.Dare, J.Jolie, A.Linneman, R.Orlandi, A.Scherillo, A.G.Smith, T.Soldner, I.Tsekhanovich, B.J.Varley, A.Zlomaniec, J.L.Durell, J.F.Smith, T.Rzaca-Urban, H.Faust, I.Ahmad, J.P.Greene

Near-yrast, medium-spin, excited states of 91Rb, 93Rb, and 95Rb

NUCLEAR REACTIONS 235U(n, F)93Rb/95Rb; measured Eγ, Iγ, γγ-, (fragment)γ-coin, and half-lives using FIFI fragment identification system and Ge detector array. 93,95Rb; deduced levels, J, π, isomers, transition probabilities, and configurations. Comparison with shell-model calculations.

RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), and half-lives using EUROGAM-II and Gammasphere arrays. 91,93,95Rb; deduced levels, J, π, isomers, transition probabilities, and configurations. Comparison with shell-model calculations. Systematics of low-lying levels in 89,91,93,95Rb. 93Rb, 95Y; comparison of experimental and calculated spectra.

doi: 10.1103/PhysRevC.82.024302
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Data from this article have been entered in the XUNDL database. For more information, click here.


2010TA05      Phys.Rev. C 81, 045809 (2010)

X.D.Tang, K.E.Rehm, I.Ahmad, C.R.Brune, A.Champagne, J.P.Greene, A.Hecht, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, D.Kahl, E.F.Moore, M.Notani, R.C.Pardo, N.Patel, M.Paul, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, A.H.Wuosmaa

Determination of the E1 component of the low-energy 12C(α, γ)16O cross section

RADIOACTIVITY 16N(β-α); measured Eα, Iα, α12C-coin, half-life; deduced E1 component of the S factor for 12C(α, γ)16O reaction using a set of twin ionization chambers. R-matrix analysis. Comparison with previous studies.

NUCLEAR REACTIONS 2H(15N, p)15N/16N/16O/20Ne, E=82 MeV; measured fragment yields.

doi: 10.1103/PhysRevC.81.045809
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1799.


2010TA22      Phys.Rev. C 82, 041301 (2010)

S.K.Tandel, P.Chowdhury, S.Lakshmi, U.S.Tandel, I.Ahmad, M.P.Carpenter, S.Gros, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, J.P.Greene, D.J.Hartley, T.Lauritsen, C.J.Lister, D.Peterson, A.Robinson, D.Seweryniak, S.Zhu

Rotational bands in odd-A Cm and Cf isotopes: Exploring the highest neutron orbitals

NUCLEAR REACTIONS 248Cm(209Bi, 210Bi)247Cm, E=1450 MeV; 250Cm(209Bi, 208Bi)249Cm, E=1450 MeV; 249Cf(207Pb, 207Pb'), E=1430 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array. 247,249Cm, 249Cf; deduced levels, J, π, (gK-gR)/Q0, alignments, Nilsson configurations, and rotational bands. 197Au, 207Pb, 208Bi, 210Bi; measured Eγ. Systematics of alignments for 244Pu, 246Cm, 248Cf, 250Fm and 252No, Comparison with Woods-Saxon cranking calculations.

doi: 10.1103/PhysRevC.82.041301
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2009GU27      Phys.Rev. C 80, 035804 (2009)

R.T.Guray, N.Ozkan, C.Yalcin, A.Palumbo, R.deBoer, J.Gorres, P.J.Leblanc, S.O'Brien, E.Strandberg, W.P.Tan, M.Wiescher, Zs.Fulop, E.Somorjai, H.Y.Lee, J.P.Greene

Measurements of proton-induced reaction cross sections on 120Te for the astrophysical p process

NUCLEAR REACTIONS 120Te(p, γ), (p, n), E(cm)=2.47-7.93 MeV; measured Eγ, Iγ, half-life, σ by activation method; deduced astrophysical S factors. Comparison with statistical model calculations using NON-SMOKER and TALYS computer codes.

RADIOACTIVITY 120I(EC); measured Eγ. 120I; deduced ground-state half-life.

doi: 10.1103/PhysRevC.80.035804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1742.


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