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NSR database version of April 24, 2024.

Search: Author = P.J.Fasano

Found 10 matches.

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2023PA25      Phys.Rev. C 108, 024001 (2023)

S.Pal, S.Sarker, P.J.Fasano, P.Maris, J.P.Vary, M.A.Caprio, R.A.M.Basili

Magnetic moments of A = 3 nuclei obtained from chiral effective field theory operators

NUCLEAR STRUCTURE 3H, 3He; calculated ground-state energies, magnetic dipole moments. Ab initio no-core shell-model (NCSM) calculations with the LENPIC (Low Energy Nuclear Physics International Collaboration) interactions. Comparison with experimental values, and with other theoretical predictions.

doi: 10.1103/PhysRevC.108.024001
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2022CA12      Phys.Rev. C 105, L061302 (2022)

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

Robust ab initio prediction of nuclear electric quadrupole observables by scaling to the charge radius

NUCLEAR STRUCTURE 7Li, 10Be; calculated B(E2) values for low-lying states using Daejeon16 interaction. 7,8,9,11Li, 9Be, 10,11B; calculated ground-state quadrupole moments, normalized to the proton radii using Daejeon16, JISP16, and LENPIC interactions. Comparison with GFMC AV18+IL7 predictions, and with experimental data.

doi: 10.1103/PhysRevC.105.L061302
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2022CA21      Phys.Rev. C 106, 034320 (2022)

M.A.Caprio, P.J.Fasano

Ab initio estimation of E2 strengths in 8Li and its neighbors by normalization to the measured quadrupole moment

NUCLEAR STRUCTURE 7,8,9Li, 9Be; calculated low-lying levels, J, π, B(E2), quadrupole moments Q, B(E2)/(eQ)2 ratios using ab initio no-core configuration interaction (NCCI) shell-model with Daejeon16, JISP16, and LENPIC interactions. Comparison with experimental data, and with ab initio Green's function Monte Carlo predictions.

doi: 10.1103/PhysRevC.106.034320
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2022FA05      Phys.Rev. C 105, 054301 (2022)

P.J.Fasano, C.Constantinou, M.A.Caprio, P.Maris, J.P.Vary

Natural orbitals for the ab initio no-core configuration interaction approach

NUCLEAR STRUCTURE 3,6He; calculated ground-state energy, point-proton and point-neutron rms radii, radial wave functions. Improved accuracy of the ab initio no-core configuration interaction (NCCI) calculations by implementing the basis of natural orbitals in the NCCI framework. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.054301
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2022LO14      Phys.Rev. C 106, 045501 (2022)

J.Long, C.R.Nicoloff, D.W.Bardayan, F.D.Becchetti, D.Blankstein, C.Boomershine, D.P.Burdette, M.A.Caprio, L.Caves, P.J.Fasano, B.Frentz, S.L.Henderson, J.M.Kelly, J.J.Kolata, B.Liu, P.D.O'Malley, S.Y.Strauss, R.Zite, M.Brodeur

Precision half-life determination for the β+ emitter 13N

RADIOACTIVITY 13N(β+)[from 2H(12C, n), E=34 MeV]; measured β+; deduced T1/2, ft value. Comparison to previous experimental results; calculated B(GT). Calculations using ab initio no-core configuration interaction (NCCI) with the Daejeon16 interaction. TwinSol twin-solenoid facility at NSL coupled to NSL β-counting station (University of Notre Dame).

doi: 10.1103/PhysRevC.106.045501
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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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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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Data from this article have been entered in the XUNDL database. For more information, click here.

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