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NSR database version of April 27, 2024.

Search: Author = E.R.Doucet

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2022WA34      Phys.Rev. C 106, 044317 (2022)

S.Waniganeththi, D.E.M.Hoff, A.M.Rogers, C.J.Lister, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, Z.Meisel, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi

Establishing the ground-state spin of ⁷¹Kr

RADIOACTIVITY ⁷¹Kr(EC), (β⁺), (β⁺p) [from ⁹Be(⁹²Mo, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 fragment separator and a Radio Frequency Fragment Separator (RFFS) at the NSCL-MSU facility]; measured particle identification plot of implanted ions, Eγ, Iγ, E(p), I(p), (implants)β-coin, (implants)(β-delayed protons)-coin, (implants)γγ-coin, (implants)βγ-coin, T_1/2 of decay of ⁷¹Kr; deduced absolute number of βγ-coin events, β events, absolute γ intensities, and intensities of β-delayed protons, logft for ground-state to ground-state superallowed β transition using SeGA array with 16 HPGe detectors for γ detection, and double-sided silicon-strip detector (DSSSDs) for particle detection. ⁷¹Kr; deduced Jπ and T_1/2 of the ground state, decay branching ratios. ⁷⁰Br; deduced T_1/2 of the 0+ g.s. and 9+ isomer. ⁷¹Br, ⁷⁰Se; deduced levels, J, π, β feedings, logft, I(p) feedings. Discussed structure of ⁷¹Kr and ⁷¹Br mirror nuclei. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.106.044317
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Data from this article have been entered in the XUNDL database. For more information, click here.

2020HO06      Nature(London) 580, 52 (2020)

D.E.M.Hoff, A.M.Rogers, S.M.Wang, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, Z.Meisel, C.Morse, W.Nazarewicz, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.Waniganeththi

Mirror-symmetry violation in bound nuclear ground states

RADIOACTIVITY ⁷³Sr(β⁺p), (β⁺), (EC) [from Be(⁹²Mo, X), E=140 MeV/nucleon]; measured decay products, Eβ, Iβ, Ep, Ip; deduced T_1/2, γ-ray energies, level scheme, J, π, branching ratios, isobaric-analogue state (IAS), log ft. Comparison with calculations, available data.

doi: 10.1038/s41586-020-2123-1
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Data from this article have been entered in the XUNDL database. For more information, click here.

2020HO17      Phys.Rev. C 102, 045810 (2020)

D.E.M.Hoff, A.M.Rogers, Z.Meisel, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.M.Wang, S.Waniganeththi

Influence of ⁷³Rb on the ashes of accreting neutron stars

RADIOACTIVITY ⁷³Sr(β⁺), (β⁺p)[from ⁹Be(⁹²Mo, X), E=140 MeV/nucleon, followed by the separation and purification of ⁷³Sr beam by A1900 and radiofrequency fragment separators at NSCL-MSU, and implanted in double-sided silicon strip detector]; measured Ep, Ip. ⁷³Rb; deduced energy of the isobaric analogue state (IAS), J, π, isospin, S(p), β⁺+ϵ feedings and logft for transitions to the 3/2- g.s. and the IAS, influence of ⁷³Rb S(p) on x-ray bursts, and impact on the products of the rp process. Bayesian analysis of beta-delayed proton spectrum.

ATOMIC MASSES ⁷³Rb, ⁷³Sr; analyzed mass excesses by IMME analysis for A=73 isobars of ⁷³Sr, ⁷³Rb, ⁷³Kr and ⁷³Br; deduced mass excesses for ⁷³Rb and ⁷³Sr, and S(p) for ⁷³Rb. Comparison with data in AME2016.

doi: 10.1103/PhysRevC.102.045810
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