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NSR database version of April 27, 2024.

Search: Author = C.G.Payne

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2021BE03      Phys.Rev.Lett. 126, 042502 (2021)

A.Belley, C.G.Payne, S.R.Stroberg, T.Miyagi, J.D.Holt

Ab Initio Neutrinoless Double-Beta Decay Matrix Elements for ⁴⁸Ca, ⁷⁶Ge, and ⁸²Se

RADIOACTIVITY ⁴⁸Ca, ⁷⁶Ge, ⁸²Se(2β^-); calculated basis-space converged neutrinoless ββ-decay nuclear matrix elements for the lightest candidates using ab initio in-medium similarity renormalization group to construct valence-space Hamiltonians and consistently transformed ββ-decay operators.

doi: 10.1103/PhysRevLett.126.042502
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2021YA03      Phys.Rev. C 103, 014315 (2021)

J.M.Yao, A.Belley, R.Wirth, T.Miyagi, C.G.Payne, S.R.Stroberg, H.Hergert, J.D.Holt

Ab initio benchmarks of neutrinoless double-β decay in light nuclei with a chiral Hamiltonian

RADIOACTIVITY ^6,8He, ¹⁰Be, ¹⁴C, ²²O(2β^-); calculated nuclear matrix elements (NMEs) for isospin-conserving and isospin-changing 0νββ decay modes. Valence-space in-medium similarity renormalization group (VS-IMSRG) and importance-truncated no-core shell model (IT-NCSM) calculations. Comparison with results of calculations using NCSM and coupled-cluster theory with singles and doubles plus leading-order triples excitations (CC-SDT1).

NUCLEAR STRUCTURE ^6,8He, ^6,8,10Be, ^10,14C, ^14,22O, ²²Ne; calculated energies per nucleon (E/A) using VS-IMSRG, in-medium generator coordinate (IM-GCM), and IT-NCSM calculations, and compared with those from the CC-SDT1 calculations.

doi: 10.1103/PhysRevC.103.014315
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2019PA55      Phys.Rev. C 100, 061304 (2019)

C.G.Payne, S.Bacca, G.Hagen, W.G.Jiang, T.Papenbrock

Coherent elastic neutrino-nucleus scattering on ⁴⁰Ar from first principles

NUCLEAR REACTIONS ⁴⁰Ar(ν, ν), E<50 MeV; calculated charge and weak form factors, neutron skin radius, coherent scattering σ(E) using coupled-cluster theory based on nuclear Hamiltonians inspired by effective field theories of quantum chromodynamics; deduced that nuclear physics uncertainties will likely not limit the sensitivity to new physics. Comparison to data from electron scattering experiments. Estimation of systematic uncertainties.

doi: 10.1103/PhysRevC.100.061304
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