NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = D.G.McNeel Found 11 matches. 2023CH46 Phys.Rev.Lett. 131, 172501 (2023) R.J.Charity, J.Wylie, S.M.Wang, T.B.Webb, K.W.Brown, G.Cerizza, Z.Chajecki, J.M.Elson, J.Estee, D.E.M.Hoff, S.A.Kuvin, W.G.Lynch, J.Manfredi, N.Michel, D.G.McNeel, P.Morfouace, W.Nazarewicz, C.D.Pruitt, C.Santamaria, S.Sweany, J.Smith, L.G.Sobotka, M.B.Tsang, A.H.Wuosmaa Strong Evidence for 9N and the Limits of Existence of Atomic Nuclei RADIOACTIVITY 9N(p), 8C, 6Be(2p) [from 9Be(13O, X)9N, E=69.5 MeV/nucleon]; measured decay products, Ep, Ip. 9N, 8C; deduced invariant-mass spectra, level diagrams, possible single resonancelike peak in the spectrum. R-matrix fits, comparison with the theoretical predictions of an open-quantum-system approach. The National Superconducting Cyclotron Laboratory at Michigan State University.
doi: 10.1103/PhysRevLett.131.172501
2021MA72 Phys.Rev. C 104, L051301 (2021) P.T.MacGregor, D.K.Sharp, S.J.Freeman, C.R.Hoffman, B.P.Kay, T.L.Tang, L.P.Gaffney, E.F.Baader, M.J.G.Borge, P.A.Butler, W.N.Catford, B.D.Cropper, G.de Angelis, J.Konki, Th.Kroll, M.Labiche, I.H.Lazarus, R.S.Lubna, I.Martel, D.G.McNeel, R.D.Page, O.Poleshchuk, R.Raabe, F.Recchia, J.Yang Evolution of single-particle structure near the N=20 island of inversion NUCLEAR REACTIONS 2H(28Mg, p)29Mg, E=9.47 MeV/nucleon, [secondary 28Mg beam from Si(p, X), E=1.4 GeV, followed resonant ionization by the resonance ionization laser ion source (RILIS), and mass separated and injected into an ion trap at the HIE-ISOLDE-CERN Linac facility]; measured E(p), I(p), σ(θ) using ISOLDE Solenoidal Spectrometer. 29Mg; deduced levels, J, π, L-transfers, spectroscopic factors, vacancies deduced from summed spectroscopic factors, binding energies of single-particle centroids. Comparison with shell-model calculations. Detailed σ(θ) data are tabulated in the Supplemental Material.
doi: 10.1103/PhysRevC.104.L051301
2021MC04 Phys.Rev. C 103, 064320 (2021) D.G.McNeel, A.H.Wuosmaa, S.A.Kuvin, J.Smith, B.B.Back, J.Chen, C.R.Hoffman, B.P.Kay, G.L.Wilson, D.K.Sharp, R.M.Clark, H.L.Crawford, P.Fallon, A.O.Macchiavelli Configuration mixing in 28Mg and the 26Mg(t, p)28Mg NUCLEAR REACTIONS 3H(26Mg, p)28Mg, E=160.6 MeV; 2H(26Mg, p)27Mg, E=160.6 MeV; measured reaction products, particle-identification spectra, E(p), I(p), σ(θ) using HELIOS magnetic spectrometer and auxiliary detectors at the ATLAS-ANL facility. 28Mg; deduced levels, J, π, L-transfers; calculated levels, J, π, proton- and neutron-occupation numbers for selected states in 28Mg using shell model with SDPF-MU interaction. DWBA analysis of σ(θ) distributions. Comparison with previous experimental data in the ENSDF database. 2H(26Mg, p)27Mg reaction used for energy-calibration and transport-efficiency information. Relevance to sd-fp cross-shell excitations between the valley of stability and the 'island of inversion'.
doi: 10.1103/PhysRevC.103.064320
2019CH16 Phys.Rev. C 99, 044304 (2019) R.J.Charity, K.W.Brown, J.Elson, W.Reviol, L.G.Sobotka, W.W.Buhro, Z.Chajecki, W.G.Lynch, J.Manfredi, R.Shane, R.H.Showalter, M.B.Tsang, D.Weisshaar, J.Winkelbauer, S.Bedoor, D.G.McNeel, A.H.Wuosmaa Invariant-mass spectroscopy of 18Ne 16O, and 10C excited states formed in neutron-transfer reactions NUCLEAR REACTIONS 9Be(17Ne, X), E=58.2 MeV/nucleon;9Be(15O, X), E=48.1 MeV/nucleon, [secondary 17Ne and 15O beams from 9Be(20Ne, X), E=170 MeV primary reaction]; 9Be(9C, X), E=64.6 MeV/nucleon, [secondary 9C beam from 9Be(16O, X), E=150 MeV primary reaction]; measured charged particle spectra, σ(θ), Eγ, Iγ, γ(θ), (particle)γ-coin, excitation-energy spectra with invariant-mass method, center-of-mass velocity distributions, invariant-mass spectroscopy for neutron transfer reactions using the HiRA ΔE-E telescope array for charged particle detection and the CAESAR array for γ detection at NSCL-MSU facility. 10C, 16O, 18Ne; deduced levels, J, π, widths, branching ratios of high-lying states, and IMM fits for A=18 Comparison with theoretical predictions, and with previous experimental results.
doi: 10.1103/PhysRevC.99.044304
2019CH51 Phys.Rev. C 100, 064314 (2019) J.Chen, K.Auranen, M.L.Avila, B.B.Back, M.A.Caprio, C.R.Hoffman, D.Gorelov, B.P.Kay, S.A.Kuvin, Q.Liu, J.L.Lou, A.O.Macchiavelli, D.G.McNeel, T.L.Tang, D.Santiago-Gonzalez, R.Talwar, J.Wu, G.Wilson, R.B.Wiringa, Y.L.Ye, C.X.Yuan, H.L.Zang Experimental study of the low-lying negative-parity states in 11Be using the 12B (d, 3He) 11Be reaction NUCLEAR REACTIONS 2H(12B, 3He)11Be, (12B, 12B'), E=12 MeV/nucleon, [secondary 12Be beam from 2H(11B, 12B), E=13.5 MeV/nucleon primary reaction]; measured reaction products, E(3He), I(3He), (3He)(11Be)- and (3He)(10Be)-coin, σ(θ) using the HELical Orbit Spectrometer (HELIOS) at the ATLAS In-Flight facility at ANL. Deuterated polyethylene (CD2)n target. 11Be; deduced levels, l-transfers, configurations, spectroscopic factors. Distorted wave Born approximation (DWBA) analysis. Comparison with previous experimental data, and with results from variational Monte Carlo and no-core shell-model calculations. Comparison with 11B(d, 3He)10Be experimental data.
doi: 10.1103/PhysRevC.100.064314
2018CH36 Phys.Rev. C 98, 014325 (2018) J.Chen, C.R.Hoffman, T.Ahn, K.Auranen, M.L.Avila, B.B.Back, D.W.Bardayan, D.Blankstein, P.Copp, D.Gorelov, B.P.Kay, S.A.Kuvin, J.P.Lai, D.G.McNeel, P.D.O'Malley, A.M.Rogers, D.Santiago-Gonzalez, J.P.Schiffer, J.Sethi, R.Talwar, J.R.Winkelbauer Experimental study of the effective nucleon-nucleon interaction using the 21F(d, p)22F reaction NUCLEAR REACTIONS 2H(21F, p), E=10 MeV/nucleon, [21F secondary beam from 9Be(22Ne, 21F), E=11 MeV/nucleon primary reaction using ATLAS-ANL facility]; measured Ep, Ip, 22Fe recoils, (22F)p-coin, and σ(θ) using HELIcal Orbit Spectrometer (HELIOS). 22F; deduced levels, J, π, spectroscopic factors and strengths, energy centroids and diagonal particle-hole two-body matrix elements (TBMEs) as function of angular momentum, N=14, 16 shell gaps. Distorted wave Born approximation (DWBA) method for theoretical σ(θ) calculations. Comparison with theoretical spectroscopic strengths by shell-model calculation using the USDA and USDB interactions.
doi: 10.1103/PhysRevC.98.014325
2017KU24 Phys.Rev. C 96, 041301 (2017) S.A.Kuvin, A.H.Wuosmaa, C.J.Lister, M.L.Avila, C.R.Hoffman, B.P.Kay, D.G.McNeel, C.Morse, E.A.McCutchan, D.Santiago-Gonzalez, J.R.Winkelbauer α decay of the T = 1, 2+ state in 10B and isospin symmetry breaking in the A = 10 triplet NUCLEAR REACTIONS 1H(10B, 10B'), E=10 MeV/nucleon; measured Ep, Ip, ΔE-E particle-identification spectra for α, 6Li and 10B particles, p(10Be)-, pα(6Li)-coin, angular distributions of the 1740-, 2154- and 3587-keV states for protons and for p(10B) coincidences, α-decay branching ratio of the 5164-keV state in 10B using HELIOS spectrometer at ATLAS-ANL facility. 10B; deduced levels, partial Γα and Γγ, B(E2) for the 5164-keV state. Comparison with B(E2) for 10Be and 10C, previous experimental results, and with ab initio Green's function Monte Carlo (GFMC) calculations using realistic three-nucleon Hamiltonians.
doi: 10.1103/PhysRevC.96.041301
2017WU03 Phys.Rev. C 95, 014310 (2017) A.H.Wuosmaa, S.Bedoor, K.W.Brown, W.W.Buhro, Z.Chajecki, R.J.Charity, W.G.Lynch, J.Manfredi, S.T.Marley, D.G.McNeel, A.S.Newton, D.V.Shetty, R.H.Showalter, L.G.Sobotka, M.B.Tsang, J.R.Winkelbauer, R.B.Wiringa Ground-state properties of 5H from the 6He (d, 3He) 5H reaction NUCLEAR REACTIONS 2H(6He, 3He), (6He, t), E=55 MeV/nucleon, [secondary 6He beam from 9Be(18O, X), E=120 MeV/nucleon and using A1900 fragment separator at NSCL-MSU facility]; measured particle identification (PID) spectra, kinetic-energy spectra of low-energy 3He and 3H particles using High Resolution Array (HiRA) of charged-particle-detector telescopes and CsI(Tl) scintillator crystals; deduced correlations between E(3He) and E(3H), and E(3H) and E(4He), Q-value dependence of cross sections from DWBA calculations, 3H recoil-energy distributions from the decay of 5H, beam-like recoils and two-neutron correlations. 5H, 5He; deduced energies and widths of resonances corresponding to the ground state. Comparison with previous experimental results, shell-model and ab initio nuclear-structure calculations. COMPILATION 5H; compiled theoretical and previous (1968-2005) experiments for identification, and results of resonance energy and width of ground-state resonance of 5H.
doi: 10.1103/PhysRevC.95.014310
2016BE08 Phys.Rev. C 93, 044323 (2016) S.Bedoor, A.H.Wuosmaa, M.Albers, M.Alcorta, S.Almaraz-Calderon, B.B.Back, P.F.Bertone, C.M.Deibel, C.R.Hoffman, J.C.Lighthall, S.T.Marley, D.G.Mcneel, R.C.Pardo, K.E.Rehm, J.P.Schiffer, D.V.Shetty Structure of 14C and 14B from the 14, 15C(d, 3He)13, 14B reactions NUCLEAR REACTIONS 14C(d, 3He)13B, E=17.1 MeV/nucleon; 15C(d, 3He)14B, E=15.6 MeV/nucleon, [secondary 15C beam from 2H(14C, 15C) primary reaction]; measured 3He spectra, σ(θ) using helical orbit spectrometer (HELIOS) at ANL facility. DWBA analysis of σ(θ) data. 13,14B; deduced levels, J, π, l-transfers, spectroscopic factors, configurations. Comparison with previous experimental data and shell-model calculations with WBT and WBP interactions using the code NUSHELLX. 14,15C, 13,14B; calculated shell-model occupation numbers.
doi: 10.1103/PhysRevC.93.044323
2015BR11 Phys.Rev. C 92, 034329 (2015) K.W.Brown, R.J.Charity, L.G.Sobotka, L.V.Grigorenko, T.A.Golubkova, S.Bedoor, W.W.Buhro, Z.Chajecki, J.M.Elson, W.G.Lynch, J.Manfredi, D.G.McNeel, W.Reviol, R.Shane, R.H.Showalter, M.B.Tsang, J.R.Winkelbauer, A.H.Wuosmaa Interplay between sequential and prompt two-proton decay from the first excited state of 16Ne NUCLEAR REACTIONS 9Be(17Ne, 16Ne), E=57.6 MeV/nucleon; analyzed results of experimental measurements reported in their 2014Br19 work carried out at NSCL-MSU. 16Ne; analyzed relative energy spectra and few-body correlations of 14O+2p and 13N+3p events; deduced level energies and widths of g.s. and first 2+ state from kinematic analysis of 14O+p+p events, and those of higher levels from analysis of the 13N+p+p+p events. Sequential and diprotonlike decays deduced from correlation pattern reproduced in three-body 14O+p+p calculations. 15F, 14O, 13N; deduced levels, J, π from particle decays of states in 16Ne.
doi: 10.1103/PhysRevC.92.034329
2014BR19 Phys.Rev.Lett. 113, 232501 (2014) K.W.Brown, R.J.Charity, L.G.Sobotka, Z.Chajecki, L.V.Grigorenko, I.A.Egorova, Yu.L.Parfenova, M.V.Zhukov, S.Bedoor, W.W.Buhro, J.M.Elson, W.G.Lynch, J.Manfredi, D.G.McNeel, W.Reviol, R.Shane, R.H.Showalter, M.B.Tsang, J.R.Winkelbauer, A.H.Wuosmaa Observation of Long-Range Three-Body Coulomb Effects in the Decay of 16Ne RADIOACTIVITY 16Ne(2p) [from Be(17Ne, X), E=57.6 MeV/nucleon]; measured decay products, Ep, Ip; deduced resonance width limit, correlations between the momenta of the three decay products, dependence on the long-range nature of the Coulomb interaction. Comparison with theoretical calculations, available data.
doi: 10.1103/PhysRevLett.113.232501
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