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NSR database version of April 26, 2024.

Search: Author = J.J.Parker

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2022AN10      Phys.Rev. C 105, 055806 (2022)

M.Anastasiou, I.Wiedenhover, J.C.Blackmon, L.T.Baby, D.D.Caussyn, A.A.Hood, E.Koshchiy, J.C.Lighthall, K.T.Macon, J.J.Parker, T.Rauscher, N.Rijal

Measurement of the ¹⁸Ne(α, p)²¹Na reaction with the ANASEN active-target detector system at E_c.m. = 2.5-4 MeV

NUCLEAR REACTIONS ⁴He(¹⁸Ne, p), E=2.5-4 MeV; measured reaction products, Ep, Ip, (particle)p-coin; deduced σ(E) to ground state, bound states, unbound sates and total σ(E), astrophysical reaction rates. Comparison to other experimental data and Hauser-Feschbach calculations. Active-target (filled with ⁴He) detector Array for Nuclear Astrophysics and Structure with Exotic Nuclei (ANASEN) at the John D. Fox Superconducting Accelerator Laboratory of Florida State University.

doi: 10.1103/PhysRevC.105.055806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2770.

2017PA02      Phys.Rev.Lett. 118, 052501 (2017)

J.J.Parker, IV, I.Wiedenhover, P.D.Cottle, J.Baker, D.McPherson, M.A.Riley, D.Santiago-Gonzalez, A.Volya, V.M.Bader, T.Baugher, D.Bazin, A.Gade, T.Ginter, H.Iwasaki, C.Loelius, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, K.Whitmore, D.Weisshaar, A.Lemasson, H.L.Crawford, A.O.Macchiavelli, K.Wimmer

Isomeric Character of the Lowest Observed 4⁺ State in ⁴⁴S

NUCLEAR REACTIONS Be(⁴⁶Ar, 2p)⁴⁴S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T_1/2, B(E2). Plunger apparatus at GRETINA.

doi: 10.1103/PhysRevLett.118.052501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016DU02      Phys.Rev. C 93, 021302 (2016)

R.Dungan, S.L.Tabor, V.Tripathi, A.Volya, K.Kravvaris, B.Abromeit, D.D.Caussyn, S.Morrow, J.J.Parker, P.-L.Tai, J.M.VonMoss

Radiative decay of neutron-unbound intruder states in ¹⁹O

NUCLEAR REACTIONS ⁹Be(¹⁴C, α)¹⁹O, E=30, 35 MeV; measured Eγ, Iγ, αγ-, αγγ-coin using Compton suppressed Ge detector for γ rays and Si ΔE-E telescope for α particles at FSU John D. Fox Superconducting Laboratory. ¹⁹O; deduced levels, states above S(n), J, π. Comparison with shell model calculations in the 0p-0d-1s model space using the psdu interaction. Discussed competition between electromagnetic and neutron emission from unbound states, and comparison with an experimental neutron resonance yield curve from ¹⁸O(n, γ). Level systematics of ^17,19,21O.

NUCLEAR STRUCTURE ¹⁹O; calculated levels, J, π, Γ_n, Γ_γ, spectroscopic factors. Shell model calculations using the psdu interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.021302
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Data from this article have been entered in the XUNDL database. For more information, click here.

2015VO12      Phys.Rev. C 92, 034301 (2015)

J.M.VonMoss, S.L.Tabor, V.Tripathi, A.Volya, B.Abromeit, P.C.Bender, D.D.Caussyn, R.Dungan, K.Kravvaris, M.P.Kuchera, R.Lubna, S.Miller, J.J.Parker, P.-L.Tai

Higher-spin structures in ²¹F and ²⁵Na

NUCLEAR REACTIONS ⁹Be(¹⁴C, np), E=30, 35, 45 MeV; ⁹Be(¹⁸O, np), E=35 MeV; measured Ep, Ip, Eγ, Iγ, pγ-, γγ-coin, γ(θ), level half-lives by DSAM using ΔE-E telescopes for particles and Compton-suppressed Ge detectors for γ rays at FSU tandem accelerator. ²¹F, ²⁵Na; deduced levels, J, π, multipolarity, B(M1), B(E1), B(E2). Comparison with previous experimental data, and with shell model calculations using USDA and WBP interactions.

NUCLEAR STRUCTURE ²¹F, ²⁵Na; calculated levels, J, π, B(M1), B(E1), B(E2) using shell model with USDA and WBP interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.034301
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Data from this article have been entered in the XUNDL database. For more information, click here.