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NSR database version of April 11, 2024.

Search: Author = J.C.Marsh

Found 6 matches.

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2021RO11      Phys.Rev. C 103, 034326 (2021)

D.G.Roux, W.C.Ma, G.B.Hagemann, D.R.Elema, P.Fallon, A.Gorgen, B.Herskind, H.Hubel, J.C.Marsh, G.Sletten, D.Ward, J.N.Wilson

High-spin states and signature inversion in odd-odd ¹⁶⁸Lu

NUCLEAR REACTIONS ¹²³Sb(⁴⁸Ca, 3n), E=203 MeV; measured Eγ, Iγ, multi-fold γγ-coin, γγ(θ)(DCO) using Gammasphere array at LBNL. ¹⁶⁸Lu; deduced high-spin levels, J, p, multipolarities, B(M1)/B(E2), rotational bands, alignments, band crossing frequencies, band configurations, signature splittings and inversions; calculated quasiparticle Routhians. Comparison with cranked shell model calculations using ULTIMATE CRANKER code.

doi: 10.1103/PhysRevC.103.034326
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Data from this article have been entered in the XUNDL database. For more information, click here.

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

2015RO27      Phys.Rev. C 92, 064313 (2015)

D.G.Roux, W.C.Ma, G.B.Hagemann, H.Amro, D.R.Elema, P.Fallon, A.Gorgen, B.Herskind, H.Hubel, Y.Li, A.O.Macchiavelli, J.C.Marsh, G.Sletten, D.Ward, J.N.Wilson

Toward complete spectroscopy of ¹⁶⁷Lu

NUCLEAR REACTIONS ¹²³Sb(⁴⁸Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Gammasphere array at LBNL cyclotron facility. ¹⁶⁷Lu; deduced high-spin levels, J, π, multipolarity, rotational bands, triaxial strongly-deformed (TSD) bands, alignments, dynamic moments of inertia, band crossings, zero- and one-phonon wobbling, and multiquasiparticle excitations, quasiparticle and Nilsson configurations. Comparison with cranked shell model calculations, and with previous experimental results. Calculated quasiparticle Routhians as function of rotational frequency.

doi: 10.1103/PhysRevC.92.064313
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Data from this article have been entered in the XUNDL database. For more information, click here.

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

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

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

Note: The following list of authors and aliases matches the search parameter J.C.Marsh: , J.C.MARSH