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NSR database version of April 11, 2024.

Search: Author = E.E.Pedicini

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

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

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