NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = H.Sims Found 16 matches. 2020HA03 Phys.Rev. C 101, 015804 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu γ-ray spectroscopy of astrophysically important states in 39Ca NUCLEAR REACTIONS 40Ca(3He, αγ)39Ca, E=30 MeV; Measured Eγ, Iγ, Eα, Iα, αγ-coin, reaction products using the GODDESS array (Gammasphere for γ detection and ORRUBA for particle detection) at the ATLAS-ANL facility. 39Ca; deduced levels, J, π, γ-branching ratios. 38K(p, γ)39Ca, T=0.1-0.4 GK; deduced resonance parameters, astrophysical reaction rates. Discussed impact on abundances of isotopes created at the endpoint of nova nucleosynthesis.
doi: 10.1103/PhysRevC.101.015804
2020HA31 Phys.Rev. C 102, 045802 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu 19Ne level structure for explosive nucleosynthesis NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, E(t), I(t), Eγ, Iγ, (triton)γ-, and (triton)γγ-coin using ORRUBA array with Micron QQQ5 telescopes for tritons and Gammasphere array for γ rays at ATLAS-ANL facility. 19Ne; deduced levels, J, π, γ-branching ratios. Comparison with earlier experimental results and with evaluated data. 18F(p, α)15O, E(cm)<0.9 MeV; calculated astrophysical S factors, and reaction rates at temperature of 0.06 to 0.4 GK.
doi: 10.1103/PhysRevC.102.045802
2019GL02 Phys.Rev. C 99, 065801 (2019) B.E.Glassman, D.Perez-Loureiro, C.Wrede, J.Allen, D.W.Bardayan, M.B.Bennett, K.A.Chipps, M.Febbraro, M.Friedman, C.Fry, M.R.Hall, O.Hall, S.N.Liddick, P.O'Malley, W.-J.Ong, S.D.Pain, S.B.Schwartz, P.Shidling, H.Sims, L.J.Sun, P.Thompson, H.Zhang Doppler broadening in 20Mg(βpγ)19Ne decay RADIOACTIVITY 20Mg(β+p)[20Mg beam from 9Be(24Mg, X), E=170 MeV/nucleon, followed by separation using A1900 separator at NSCL-MSU]; measured Eβ+, Eγ, Iγ, β+γ-coin, γ-decay branching ratios, and E(p) using plastic scintillator for β detection and the SeGA array for γ detection. 19Ne; deduced levels, J, π, half-life of 1507.5 level from Doppler broadening analysis, β+p feedings. Comparison with previous experimental values. Discussed relevance to 15O(α, γ)19Ne thermonuclear reaction rates. NUCLEAR REACTIONS 9Be(24Mg, X)15N/16O/17F/18Ne/20Mg, E=170 MeV/nucleon; measured time of flight, particle identification plot, yields using A1900 fragment separator at the K500 and K1200 coupled cyclotrons of NSCL-MSU.
doi: 10.1103/PhysRevC.99.065801
2019HA08 Phys.Rev.Lett. 122, 052701 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu Key 19Ne States Identified Affecting γ-Ray Emission from 18F in Novae NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, S-factor, reaction rates, resonance energies. Comparison with available data.
doi: 10.1103/PhysRevLett.122.052701
2019HA14 Phys.Rev. C 99, 035805 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu New γ-ray transitions observed in 19Ne with implications for the 15O(α, γ)19Ne reaction rate NUCLEAR REACTIONS 19F(3He, t), E=30 MeV; measured triton spectra, Eγ, Iγ, tγ- and γγ-coin using Gammasphere array for γ detection with the silicon detector array ORRUBA Dual Detectors for Experimental Structure Studies (GODDESS) at ATLAS-ANL facility. 19Ne; deduced levels, J, π, and γ-branching ratios for the decay of 4.14- and 4.20-MeV states. 15O(α, γ)19Ne, E≈18-180 keV; calculated fractional contribution of the corrected branching ratios for the 4.14 MeV, 7/2- and 4.20 MeV, 9/2- states in 19Ne to astrophysical reaction rate, which is of significance in breakout from the hot CNO cycle in type I x-ray bursts. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.99.035805
2018GL01 Phys.Lett. B 778, 397 (2018) B.E.Glassman, D.Perez-Loureiro, C.Wrede, J.Allen, D.W.Bardayan, M.B.Bennett, B.A.Brown, K.A.Chipps, M.Febbraro, M.Friedman, C.Fry, M.R.Hall, O.Hall, S.N.Liddick, P.O'Malley, W.J.Ong, S.D.Pain, C.Prokop, S.B.Schwartz, P.Shidling, H.Sims, P.Thompson, H.Zhang β-delayed γ decay of 20Mg and the 19Ne(p, γ)20Na breakout reaction in Type I X-ray bursts RADIOACTIVITY 20Mg(β+) [from 9Be(24Mg, X)20Mg, E=170 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced γ-ray energies and limits on intensities of β-delayed γ-rays, Gamow-Teller strengths B(GT) and associated log ft values. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2018.01.041
2017WR02 Phys.Rev. C 96, 032801 (2017) C.Wrede, B.E.Glassman, D.Perez-Loureiro, J.M.Allen, D.W.Bardayan, M.B.Bennett, B.A.Brown, K.A.Chipps, M.Febbraro, C.Fry, M.R.Hall, O.Hall, S.N.Liddick, P.O'Malley, W.-J.Ong, S.D.Pain, S.B.Schwartz, P.Shidling, H.Sims, P.Thompson, H.Zhang New portal to the 15O(α, γ)19Ne resonance triggering CNO-cycle breakout RADIOACTIVITY 20Mg(β+), (β+p)[from 9Be(24Mg, X), E=170 MeV/nucleon using A1900 separator at MSU-NSCL facility]; measured Eγ, Iγ, βγ- and (implants)γ-coin using SeGA array for γ detection. 19Ne; deduced level at 4034 keV, β+-delayed proton branching ratio; discussed possible α-decay of 4034 level. 20Mg(β+α); discussed possible decay branch. Relevance to hot CNO cycles during type I x-ray bursts on accreting neutron stars.
doi: 10.1103/PhysRevC.96.032801
2015GL03 Phys.Rev. C 92, 042501 (2015) B.E.Glassman, D.Perez-Loureiro, C.Wrede, J.Allen, D.W.Bardayan, M.B.Bennett, B.A.Brown, K.A.Chipps, M.Febbraro, C.Fry, M.R.Hall, O.Hall, S.N.Liddick, P.O'Malley, W.Ong, S.D.Pain, S.B.Schwartz, P.Shidling, H.Sims, P.Thompson, H.Zhang Revalidation of the isobaric multiplet mass equation for the A=20 quintet RADIOACTIVITY 20Mg(β+)[20Mg beam from 9Be(24Mg, X), E=170 MeV/nucleon using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, βγ-coin using SeGA array. 20Na; deduced levels, precise energy of the T=2 state, J, π. 20Mg, 20Na, 20Ne, 20F, 20O; analyzed and revalidated isobaric multiplet mass equation (IMME) for A=20, T=2 quintet.
doi: 10.1103/PhysRevC.92.042501
1994BE52 Radiochim.Acta 64, 11 (1994) L.F.Bellido, V.J.Robinson, H.E.Sims Production of 235Np and 236Pu for Environmental Applications NUCLEAR REACTIONS, ICPND 238U(p, n), (p, 3n), (p, 4n), E=13-56 MeV; measured σ(E); deduced 235Np, 236Pu production best route. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0426. 1993BE64 Radiochim.Acta 62, 123 (1993) L.F.Bellido, V.J.Robinson, H.E.Sims Excitation Functions for the 235,238U(d, xn)237,240(-x)Np Reactions NUCLEAR REACTIONS, ICPND 235,238U(d, xn)235Np/236Np/236mNp, E=20-32 MeV; measured production σ(E). Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1064. 1987SZ03 Radiochim.Acta 41, 5 (1987) A.Szymanski, G.W.A.Newton, V.J.Robinson, H.E.Sims Gamma Ray Abundances of Re and W Isotopes, Part V, A = 171 RADIOACTIVITY 171Re [from 165Ho(16O, 10n), E=110-183 MeV]; 171W(β+), (EC) [from 165Ho(14N, 8n), E=140.3 MeV]; measured γ-abundances, T1/2. 171Ta deduced transitions, T1/2. 171Hf deduced transitions. NUCLEAR REACTIONS 165Ho(16O, 10n), E=110-183 MeV; 165Ho(14N, 8n), E=140.3 MeV; measured residuals γ-ray abundances. Helium jet recoil transportation system.
1986SZ05 Radiochim.Acta 40, 61 (1986) A.Szymanski, G.W.A.Newton, V.J.Robinson, H.E.Sims Absolute Gamma Ray Abundances of Rhenium and Tungsten Isotopes: Part III, A = 173 NUCLEAR REACTIONS 165Ho(14N, 6n), E=117.4 MeV; 165Ho(14N, 5np), E=118.2 MeV; 165Ho(16O, 8n), E=151.2 MeV; measured Eγ, Iγ. 173Ta, 173W, 173Re deduced T1/2. 173W, 173Ta, 173Hf deduced transitions, absolute γ abundances. RADIOACTIVITY 173Ta, 173W(EC), (β+); 173Re(EC) [from 165Ho(14N, 6n), (14N, p5n), (16O, 8n)]; measured Eγ, Iγ, T1/2. 173W, 173Ta, 173Hf deduced transitions, absolute γ abundances.
1986SZ06 Radiochim.Acta 40, 67 (1986) A.Szymanski, G.W.A.Newton, V.J.Robinson, H.E.Sims Absolute Gamma Ray Abundances of Re and W Isotopes: Part IV, A = 172 NUCLEAR REACTIONS 165Ho(14N, 7n), E=89-147 MeV; 165Ho(16O, 9n), E=110-183 MeV; measured Eγ, Iγ, σ(Eγ, E). 172W deduced T1/2, γ transitions, abundances. 172Re deduced T1/2. 172Ta deduced γ transitions, abundances. Ge(Li) detector, He-jet recoil system. RADIOACTIVITY 172W, 172Re(β+), (EC) [from 165Ho(14N, 7n), (16O, 9n)]; measured Eγ, Iγ, T1/2. Ge(Li) detector, He-jet recoil system.
1985SZ03 Radiochim.Acta 38, 113 (1985) A.Szymanski, G.W.A.Newton, V.J.Robinson, H.E.Sims Absolute Gamma Ray Abundances of Re and W Isotopes: Part II, A = 174 RADIOACTIVITY 174Re(β+), (EC) [from 165Ho(16O, 7n)]; 174W(EC) [from 165Ho(14N, 5n)]; measured Eγ, Iγ. 174W, 174Re deduced absolute γ-abundances.
1984NE06 J.Radioanal.Nucl.Chem. 84, 149 (1984) G.W.A.Newton, V.J.Robinson, E.M.Shaw, R.J.Smith, H.E.Sims Single Neutron Transfer Reactions in the Systems: 139La + 16O, 93Nb + 12C, 14N, 16O and 20Ne NUCLEAR REACTIONS, ICPND 139La(16O, 15O), E=105.8-153.1 MeV; 93Nb(12C, 13C), E=88.7-171.2 MeV; 93Nb(14N, 15N), E=89.4-145.6 MeV; 93Nb(16O, 17O), E=117.3-183.6 MeV; 93Nb(20Ne, 21Ne), E=112.2-191.4 MeV; measured σ(E), residuals yields, isomer production σ; deduced reaction mechanism.
doi: 10.1007/BF02038191
1984SZ07 Radiochim.Acta 37, 121 (1984) A.Szymanski, G.W.A.Newton, V.J.Robinson, S.M.A.Hoffmann, H.E.Sims Absolute Gamma Ray Abundances of Re and W Isotopes: Part I, A = 175 RADIOACTIVITY 175W(EC), (β+) [from 165Ho(14N, 4n)]; 175Re(EC), (β+) [from 165Ho(16O, 6n)]; measured Eγ, Iγ. 175W, 175Re deduced absolute γ-abundances.
Back to query form Note: The following list of authors and aliases matches the search parameter H.Sims: , H.E.SIMS |