NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = D.Irvine Found 8 matches. 2016PE10 Phys.Rev. C 93, 064320 (2016) D.Perez-Loureiro, C.Wrede, M.B.Bennett, S.N.Liddick, A.Bowe, B.A.Brown, A.A.Chen, K.A.Chipps, N.Cooper, D.Irvine, E.McNeice, F.Montes, F.Naqvi, R.Ortez, S.D.Pain, J.Pereira, C.J.Prokop, J.Quaglia, S.J.Quinn, J.Sakstrup, M.Santia, S.B.Schwartz, S.Shanab, A.Simon, A.Spyrou, E.Thiagalingam β-delayed γ decay of 26P: Possible evidence of a proton halo RADIOACTIVITY 26P, 24Al(β+), (EC)[from 9Be(36Ar, X), E=150 MeV/nucleon using A1900 fragment separator and the Radio-Frequency Fragment Separator (RFFS) at NSCL-MSU]; measured Eγ, Iγ, 26P ions, Eβ, Iβ, γγ-, βγγ-coin using GeDSSD detector for ions and β particles and SeGA array for γ rays. 26Si; deduced levels, J, π, Iβ feedings, B(GT) strengths, logft, mirror asymmetry, proton halo. Comparisons with β decay of 26Na mirror nucleus, previous experimental data for 26Si levels, and USDB shell-model calculations. 24Mg; observed γ rays. 25Al(p, γ)26Si, T9=0.01-0.5; calculated astrophysical reaction rates.
doi: 10.1103/PhysRevC.93.064320
2015SC16 Phys.Rev. C 92, 031302 (2015) S.B.Schwartz, C.Wrede, M.B.Bennett, S.N.Liddick, D.Perez-Loureiro, A.Bowe, A.A.Chen, K.A.Chipps, N.Cooper, D.Irvine, E.McNeice, F.Montes, F.Naqvi, R.Ortez, S.D.Pain, J.Pereira, C.Prokop, J.Quaglia, S.J.Quinn, J.Sakstrup, M.Santia, S.Shanab, A.Simon, A.Spyrou, E.Thiagalingam Observation of Doppler broadening in β-delayed proton-γ decay RADIOACTIVITY 26P(β+p)[from 9Be(36Ar, X), E=150 MeV/nucleon and A1900 fragment separator at NSCL-MSU]; measured Eγ, first observation of Doppler-broadened γ rays in β-delayed proton-γ decay, Iγ, γγ-coin, Eβ, βγ-correlated spectra using Si detectors for β and implanted nuclei, SeGA array for γ rays 25Al; deduced levels, β+p feedings. 26Si; deduced energies of proton emitting states from the kinematic analysis of Doppler-broadened γ rays. Comparison with previous experimental data. 24Mg, 26Al, 26Si; observed γ rays.
doi: 10.1103/PhysRevC.92.031302
2014HU16 Phys.Rev. C 90, 025803 (2014) J.Hu, J.J.He, A.Parikh, S.W.Xu, H.Yamaguchi, D.Kahl, P.Ma, J.Su, H.W.Wang, T.Nakao, Y.Wakabayashi, T.Teranishi, K.I.Hahn, J.Y.Moon, H.S.Jung, T.Hashimoto, A.A.Chen, D.Irvine, C.S.Lee, S.Kubono Examination of the role of the 14O(α, p)17F reaction rate in type-I x-ray bursts NUCLEAR REACTIONS 1H(17F, p), E=3.6 MeV/nucleon, [17F secondary beam from 2H(16O, n), E=6.6 MeV/nucleon primary reaction]; measured Ep, Ip, angular distribution using radioactive ion beam separator (CRIB) at CNS-RIKEN facility. 18Ne; deduced levels, resonances, J, π, L-transfers, widths, proton partial widths, resonance strengths. R-matrix analysis of experimental data. Comparison with previous experimental results. 14O(α, p)17F, at T9=0.25-3.0; deduced reaction rates and compared with other studies. Relevance to hot-CNO cycle of the rp-process in type-I x-ray bursts (XRBs).
doi: 10.1103/PhysRevC.90.025803
2013BE41 Phys.Rev.Lett. 111, 232503 (2013) M.B.Bennett, C.Wrede, K.A.Chipps, J.Jose, S.N.Liddick, M.Santia, A.Bowe, A.A.Chen, N.Cooper, D.Irvine, E.McNeice, F.Montes, F.Naqvi, R.Ortez, S.D.Pain J.Pereira, C.Prokop, J.Quaglia, S.J.Quinn, S.B.Schwartz, S.Shanab, A.Simon, A.Spyrou, E.Thiagalingam Classical-Nova Contribution to the Milky Way's 26Al Abundance: Exit Channel of the Key 25Al(p, γ)26Si Resonance RADIOACTIVITY 26P(β+) [from Be(36Ar, X)26P, E=150 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ- and βγγ-coin.; deduced resonances energy, J, π. Astrophysical implications.
doi: 10.1103/PhysRevLett.111.232503
2013IR02 Phys.Rev. C 88, 055803 (2013) D.Irvine, A.A.Chen, A.Parikh, K.Setoodehnia, T.Faestermann, R.Hertenberger, H.-F.Wirth, V.Bildstein, S.Bishop, J.A.Clark, C.M.Deibel, J.Hendriks, C.Herlitzius, R.Krucken, W.N.Lennard, O.Lepyoshkina, R.Longland, G.Rugel, D.Seiler, K.Straub, C.Wrede Evidence for the existence of the astrophysically important 6.40-MeV state of 31S NUCLEAR REACTIONS 32S(d, t), E=24 MeV; measured E(t), I(t), σ(θ), using Q3D spectrograph at MLL-Garching facility. 31S; deduced levels, J, π, 31S and 31P mirror assignments. 30P(p, γ)31S; discussed impact on thermonuclear reaction rate in explosive hydrogen burning in classical novae. Comparison of 31S level structure with previous experimental results and evaluated data.
doi: 10.1103/PhysRevC.88.055803
2013LA01 Phys.Rev.Lett. 110, 032502 (2013) A.M.Laird, A.Parikh, A.St.J.Murphy, K.Wimmer, A.A.Chen, C.M.Deibel, T.Faestermann, S.P.Fox, B.R.Fulton, R.Hertenberger, D.Irvine, J.Jose, R.Longland, D.J.Mountford, B.Sambrook, D.Seiler, H.-F.Wirth Is γ-Ray Emission from Novae Affected by Interference Effects in the 18F(p, α)15O Reaction? NUCLEAR REACTIONS 19F(3He, t), E=25 MeV; measured reaction products. 19Ne; deduced energy levels, J, π, σ(θ), resonance parameters, total reaction rate. Comparison with available data, DWBA calculations.
doi: 10.1103/PhysRevLett.110.032502
2012HA39 Phys.Rev. C 86, 055802 (2012) U.Hager, L.Buchmann, B.Davids, J.Fallis, U.Greife, D.A.Hutcheon, D.Irvine, D.Ottewell, A.Rojas, S.Reeve, C.Ruiz Direct measurement of the 16O(α, γ)20Ne reaction at Ec.m.=2.43 MeV and 1.69 MeV NUCLEAR REACTIONS 16O(α, γ)20Ne, E(cm)=1.69, 2.43 MeV; measured 20Ne spectra, Eγ, Iγ, (20Ne)γ-coin, time of flight using DRAGON recoil separator at TRIUMF facility. 20Ne; deduced levels J, π, S factor, branching ratios, resonance strengths, radiative widths, B(E1), B(M1), B(E2), B(E3). R-matrix analysis. Comparison with previous studies. Relevance to helium burning sequence.
doi: 10.1103/PhysRevC.86.055802
2012IR01 J.Phys.:Conf.Ser. 381, 012114 (2012) 30P(p, γ)31S Reaction Rate for Classical Novae: An Indirect Approach NUCLEAR REACTIONS 32S(d, t), E=24 MeV; measured E(triton), I(triton, θ) using Q3D magnetic spectrograph. 31S deduced resonance states. Planned to calculate 30P(p, γ) reaction rate using further level structure constraints.
doi: 10.1088/1742-6596/381/1/012114
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