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NSR database version of April 11, 2024.

Search: Author = A.E.McCoy

Found 6 matches.

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2021CA23      Phys.Rev. C 104, 034319 (2021)

M.A.Caprio, P.J.Fasano, P.Maris, A.E.McCoy

Quadrupole moments and proton-neutron structure in p-shell mirror nuclei

NUCLEAR MOMENTS 7,8,9Li, 7,9Be, 8,9,11,12,13B, 9,11C, 12N, 13O; compiled experimental quadrupole moments and previous theoretical values from ab initio Green's function Monte Carlo (GFMC) predictions; calculated ratios of quadrupole moments of ground states for mirror pairs of p-shell nuclides using ab initio no-core configuration interaction (NCCI), or no-core shell model (NCSM) with Daejeon16, JISP16, and LENPIC interactions. Relevance to meaningful predictions of electric quadrupole moment ratios in ab initio NCCI calculations; discussed deviations from mirror symmetry in connection with predictions of ratios of quadrupole moments. Detailed tables of g.s. energies and quadrupole moments provided in Supplemental Material.

doi: 10.1103/PhysRevC.104.034319
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2021MC03      Phys.Rev. C 103, 035801 (2021)

C.McCracken, P.Navratil, A.McCoy, S.Quaglioni, G.Hupin

Microscopic investigation of the 8Li(n, γ)9Li reaction

NUCLEAR STRUCTURE 8,9Li; calculated ground-state energies, levels, J, π, quadrupole and magnetic moments, B(M1). 9Li; calculated energies of bound-states and low-lying resonances with respect to the 8Li+n threshold, 8Li+n eignestates and eigenphase shifts, 3/2- g.s. cluster form factors and asymptotic normalization coefficients (ANCs). No-core shell model with continuum (NCSMC) with chiral nucleon-nucleon and three-nucleon interactions. Comparison with experimental data.

NUCLEAR REACTIONS 8Li(n, γ)9Li, E<1.3 MeV; calculated capture σ(E) using NCSMC-phenomenological approach, and compared with experimental data from the NSCL-MSU Coulomb-dissociation experiment reported by 1998Ze01. 8Li(n, γ)9Li, T9=0.01-5; calculated astrophysical reaction rates from capture cross sections using NCSMC-phenomenological approach.

doi: 10.1103/PhysRevC.103.035801
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2021ZB01      J.Phys.(London) G48, 075102 (2021)

R.Zbikowski, C.W.Johnson, A.E.McCoy, M.A.Caprio, P.J.Fasano

Rotational bands beyond the Elliott model

NUCLEAR STRUCTURE 7,8,9,10Be, 20Ne; analyzed available data; deduced energy levels, J, π, rotational bands using Eliott SU(3) model.

doi: 10.1088/1361-6471/abdd8e
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2020CA14      Eur.Phys.J. A 56, 120 (2020)

M.A.Caprio, P.J.Fasano, P.Maris, A.E.McCoy, J.P.Vary

Probing ab initio emergence of nuclear rotation

doi: 10.1140/epja/s10050-020-00112-0
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2020MC02      Phys.Rev.Lett. 125, 102505 (2020)

A.E.McCoy, M.A.Caprio, T.Dytrych, P.J.Fasano

Emergent Sp(3, R) Dynamical Symmetry in the Nuclear Many-Body System from an Ab Initio Description

NUCLEAR STRUCTURE 7Be; calculated wave functions, negative parity energy spectrum, J, π.

doi: 10.1103/PhysRevLett.125.102505
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2019HE11      Phys.Rev. C 99, 064320 (2019)

S.L.Henderson, T.Ahn, M.A.Caprio, P.J.Fasano, A.Simon, W.Tan, P.O'Malley, J.Allen, D.W.Bardayan, D.Blankstein, B.Frentz, M.R.Hall, J.J.Kolata, A.E.McCoy, S.Moylan, C.S.Reingold, S.Y.Strauss, R.O.Torres-Isea

First measurement of the B(E2; 3/2- → 1/2-) transition strength in 7Be: Testing ab initio predictions for A = 7 nuclei

NUCLEAR REACTIONS 197Au(7Be, 7Be'), E=31.3 MeV, [secondary 7Be beam from 2H(6Li, n), E=34.0 MeV primary reaction]; measured reaction products, particle spectra, Eγ, Iγ, (particle)γ-coin using silicon detector for charged particle detection and HPGe detectors for γ detection at the University of Notre Dame FN Tandem Van de Graaff accelerator facility. 7Be; deduced levels, J, π, Coulomb excitation cross section, B(E2) for 3/2- to 1/2- (g.s. to the first excited state) transition. Comparison with ab initio no-core shell model (NCSM) calculations.

doi: 10.1103/PhysRevC.99.064320
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Note: The following list of authors and aliases matches the search parameter A.E.McCoy: , A.E.MCCOY