NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = D.A.Howell Found 17 matches. 2020LO03 Eur.Phys.J. A 56, 3 (2020) G.Lotay, P.J.Woods, M.Moukaddam, M.Aliotta, G.Christian, B.Davids, T.Davinson, D.T.Doherty, D.Howell, V.Margerin, C.Ruiz High-resolution radioactive beam study of the 26Al(d, p) reaction and measurements of single-particle spectroscopic factors NUCLEAR REACTIONS 2H(26Al, p), E=6 MeV/nucleon; measured reaction products, Ep, Ip. 26,27Al; deduced σ(θ), excited states, resonance parameters, spectroscopic factors. Comparison of shell model calculations with inverse kinematic transfer reaction data. The ISAC-II radioactive beams facility at TRIUMF.
doi: 10.1140/epja/s10050-019-00008-8
2019TA20 Phys.Lett. B 798, 134894 (2019) M.P.Taggart, C.Akers, A.M.Laird, U.Hager, C.Ruiz, D.A.Hutcheon, M.A.Bentley, J.R.Brown, L.Buchmann, A.A.Chen, J.Chen, K.A.Chipps, A.Choplin, J.M.D'Auria, B.Davids, C.Davis, C.Aa.Diget, L.Erikson, J.Fallis, S.P.Fox, U.Frischknecht, B.R.Fulton, N.Galinski, U.Greife, R.Hirschi, D.Howell, L.Martin, D.Mountford, A.St.J.Murphy, D.Ottewell, M.Pignatari, S.Reeve, G.Ruprecht, S.Sjue, L.Veloce, M.Williams A direct measurement of the 17O(α, γ)21Ne reaction in inverse kinematics and its impact on heavy element production NUCLEAR REACTIONS 4He(17O, γ)21Ne, E=160, 202, 290, 360 keV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance strengths, S-factors, astrophysical reaction rates.
doi: 10.1016/j.physletb.2019.134894
2017AR16 Nature(London) 551, 64 (2017) I.Arcavi, G.Hosseinzadeh, D.A.Howell, C.McCully, D.Poznanski, D.Kasen, J.Barnes, M.Zaltzman, S.Vasylyev, D.Maoz, S.Valenti Optical emission from a kilonova following a gravitational-wave-detected neutron-star merger
doi: 10.1038/nature24291
2015MA44 Phys.Rev.Lett. 115, 062701 (2015) V.Margerin, G.Lotay, P.J.Woods, M.Aliotta, G.Christian, B.Davids, T.Davinson, D.T.Doherty, J.Fallis, D.Howell, O.S.Kirsebom, D.J.Mountford, A.Rojas, C.Ruiz, J.A.Tostevin Inverse Kinematic Study of the 26gAl(d, p)27Al Reaction and Implications for Destruction of 26Al in Wolf-Rayet and Asymptotic Giant Branch Stars NUCLEAR REACTIONS 2H(26Al, p), E<500 MeV; measured reaction products; deduced energy levels, J, π. spectroscopic factor, astrophysical reaction rates. Comparison with available data.
doi: 10.1103/PhysRevLett.115.062701
2014GA24 Phys.Rev. C 90, 035803 (2014) N.Galinski, S.K.L.Sjue, G.C.Ball, D.S.Cross, B.Davids, H.Al Falou, A.B.Garnsworthy, G.Hackman, U.Hager, D.A.Howell, M.Jones, R.Kanungo, R.Kshetri, K.G.Leach, J.R.Leslie, M.Moukaddam, J.N.Orce, E.T.Rand, C.Ruiz, G.Ruprecht, M.A.Schumaker, C.E.Svensson, S.Triambak, C.D.Unsworth Lifetime measurements of states in 15O NUCLEAR REACTIONS 3He(16O, α), E=50 MeV; measured Eγ, Iγ, Eα, Iα, αγ-coin, level half-lives by DSAM using TIGRESS array for γ detection and Si detector telescopes for α particles at TRIUMF-ISAC-II facility. 15O; deduced three levels and associated half-lives. Monte-Carlo simulations. Relevance to astrophysical reaction rates for 14N(p, γ)15O reaction.
doi: 10.1103/PhysRevC.90.035803
2013AL09 Phys.Lett. B 721, 224 (2013) H.Al Falou, R.Kanungo, C.Andreoiu, D.S.Cross, B.Davids, M.Djongolov, A.T.Gallant, N.Galinski, D.Howell, R.Kshetri, D.Niamir, J.N.Orce, A.C.Shotter, S.Sjue, I.Tanihata, I.J.Thompson, S.Triambak, M.Uchida, P.Walden, R.B.Wiringa Inelastic scattering of 9Li and excitation mechanism of its first excited state NUCLEAR REACTIONS C, 2H(9Li, 8Li), (9Li, X), (9Li, 9Li), E=5 MeV/nucleon; measured reaction products. 9Li; deduced σ(θ), quadrupole deformation parameter, B(E2). DWUCK4, FRESCO calculations, comparison with available data.
doi: 10.1016/j.physletb.2013.03.018
2013HO15 Phys.Rev. C 88, 025804 (2013) D.Howell, B.Davids, J.P.Greene, R.Kanungo, S.Mythili, C.Ruiz, G.Ruprecht, I.J.Thompson First determination of the 8Li valence neutron asymptotic normalization coefficient using the 7Li(8Li, 7Li)8Li reaction NUCLEAR REACTIONS 7Li(8Li, 7Li)8Li, E=11 MeV; measured 8Li particle spectra, (7Li)(8Li)-coin, σ(θ) using TUDA array at ISAC-TRIUMF. 8Li; deduced valence neutron asymptotic normalization coefficient (ANC) using DWBA analysis. 8B; deduced valence proton ANC from isospin asymmetry. 7Be (p, γ)8B; deduced astrophysical S-factor (S17(0)). Comparison with previous data.
doi: 10.1103/PhysRevC.88.025804
2013SJ01 Nucl.Instrum.Methods Phys.Res. A700, 179 (2013) S.K.L.Sjue, B.S.Nara Singh, P.Adsley, L.Buchmann, M.Carmona-Gallardo, B.Davids, J.Fallis, B.R.Fulton, N.Galinski, U.Hager, M.Hass, D.Howell, D.A.Hutcheon, A.M.Laird, L.Martin, D.Ottewell, S.Reeve, C.Ruiz, G.Ruprecht, S.Triambak Beam suppression of the DRAGON recoil separator for 3He(α, γ)7Be NUCLEAR REACTIONS 3He(α, γ)7Be, E=6.542 MeV; measured reaction products, recoil spectra.; deduced yields, beam suppression. Comparison with available data.
doi: 10.1016/j.nima.2012.10.062
2012SA22 Phys.Rev.Lett. 108, 242701 (2012) P.J.C.Salter, M.Aliotta, T.Davinson, H.Al Falou, A.Chen, B.Davids, B.R.Fulton, N.Galinski, D.Howell, G.Lotay, P.Machule, A.StJ.Murphy, C.Ruiz, S.Sjue, M.Taggart, P.Walden, P.J.Woods Measurement of the 18Ne(α, p0)21Na Reaction Cross Section in the Burning Energy Region for X-Ray Bursts NUCLEAR REACTIONS 18Ne(α, p), E(cm)=1.2-2.6 MeV; measured reaction products, Eα, Iα; deduced σ, astrophysical reaction rates. HCNO-breakout routes into the rp process implications, comparison with Hauser-Feshbach calculations.
doi: 10.1103/PhysRevLett.108.242701
2011BE11 Phys.Rev. C 83, 042801 (2011) C.E.Beer, A.M.Laird, A.St.J.Murphy, M.A.Bentley, L.Buchman, B.Davids, T.Davinson, C.A.Diget, S.P.Fox, B.R.Fulton, U.Hager, D.Howell, L.Martin, C.Ruiz, G.Ruprecht, P.Salter, C.Vockenhuber, P.Walden Direct measurement of the 18F( p, α)15O reaction at nova temperatures NUCLEAR REACTIONS 18F(p, α), E(cm)=250, 330, 453, 673 keV; measured Eα, Iα, α(heavy ion)-coin, cross sections, angular distributions, and S factors at ISAC-TRIUMF facility. 19Ne; deduced resonances, R-matrix analysis. Discussed implications for the reaction rate in the context of nova explosions.
doi: 10.1103/PhysRevC.83.042801
2010KA03 Phys.Lett. B 682, 391 (2010) R.Kanungo, A.T.Gallant, M.Uchida, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, G.C.Ball, J.A.Becker, A.J.Boston, H.C.Boston, B.A.Brown, L.Buchmann, S.J.Colosimo, R.M.Clark, D.Cline, D.S.Cross, H.Dare, B.Davids, T.E.Drake, M.Djongolov, P.Finlay, N.Galinski, P.E.Garrett, A.B.Garnsworthy, K.L.Green, S.Grist, G.Hackman, L.J.Harkness, A.B.Hayes, D.Howell, A.M.Hurst, H.B.Jeppesen, K.G.Leach, A.O.Macchiavelli, D.Oxley, C.J.Pearson, B.Pietras, A.A.Phillips, S.V.Rigby, C.Ruiz, G.Ruprecht, F.Sarazin, M.A.Schumaker, A.C.Shotter, C.S.Sumitharachchi, C.E.Svensson, I.Tanihata, S.Triambak, C.Unsworth, S.J.Williams, P.Walden, J.Wong, C.Y.Wu Structure of states in 12Be via the 11Be(d, p) reaction NUCLEAR REACTIONS 2H(11Be, p), E=5 MeV/nucleon; measured proton spectra, recoiling and product nucleus spectra, p(nucleus)-coin; deduced σ(θ), Q-value spectra, peak widths. 12Be; deduced energy levels, J, π, spectroscopic factors using DWBA analysis.
doi: 10.1016/j.physletb.2009.11.025
2009RO04 Phys.Rev. C 79, 031603 (2009) T.Roger, H.Savajols, I.Tanihata, W.Mittig, M.Alcorta, D.Bandyopadhyay, R.Bieri, L.Buchmann, M.Caamano, B.Davids, N.Galinski, A.Gallant, D.Howell, R.Kanungo, W.Mills, S.Mythili, M.Notani, R.Openshaw, E.Padilla-Rodal, P.Roussel-Chomaz, G.Ruprecht, G.Savard, G.Sheffer, A.C.Shotter, M.Trinczek, P.Walden Mass of 11Li from the 1H(11Li, 9Li)3H reaction NUCLEAR REACTIONS 1H(11Li, 9Li), E=5 MeV/nucleon; measured reaction Q-value using angle-angle kinematical correlations of reaction products and by energy correlations between 9Li recoils and outgoing tritons. ATOMIC MASSES 11Li; deduced mass and S(2n) from measured Q-value for 1H(11Li, 9Li) reaction.
doi: 10.1103/PhysRevC.79.031603
2008KA04 Phys.Lett. B 660, 26 (2008) R.Kanungo, A.N.Andreyev, L.Buchmann, B.Davids, G.Hackman, D.Howell, P.Khalili, B.Mills, E.Padilla-Rodal, Steven C.Pieper, J.Pearson, C.Ruiz, G.Ruprecht, A.Shotter, I.Tanihata, C.Vockenhuber, P.Walden, R.B.Wiringa Spectroscopic factors for the 9Li ground state and N = 6 shell closure NUCLEAR REACTIONS 2H(9Li, t), (9Li, d), E=1.68 MeV/nucleon; measured σ(θ); deduced spectroscopic factors.
doi: 10.1016/j.physletb.2007.12.024
2008MY01 Phys.Rev. C 77, 035803 (2008) S.Mythili, B.Davids, T.K.Alexander, G.C.Ball, M.Chicoine, R.S.Chakrawarthy, R.Churchman, J.S.Forster, S.Gujrathi, G.Hackman, D.Howell, R.Kanungo, J.R.Leslie, E.Padilla, C.J.Pearson, C.Ruiz, G.Ruprecht, M.A.Schumaker, I.Tanihata, C.Vockenhuber, P.Walden, S.Yen Lifetimes of states in 19Ne above the 15O+α breakup threshold NUCLEAR REACTIONS 3He(20Ne, α), E=34 MeV; measured Eγ, Iγ, γα-coin, α-spectra, lifetimes using Doppler Shift Attenuation Method; 19Ne; deduced levels, J, π. 15O(α, γ)19Ne; deduced reactions rates.
doi: 10.1103/PhysRevC.77.035803
2008TA13 Phys.Rev.Lett. 100, 192502 (2008) I.Tanihata, M.Alcorta, D.Bandyopadhyay, R.Bieri, L.Buchmann, B.Davids, N.Galinski, D.Howell, W.Mills, S.Mythili, R.Openshaw, E.Padilla-Rodal, G.Ruprecht, G.Sheffer, A.C.Shotter, M.Trinczek, P.Walden, H.Savajols, T.Roger, M.Caamano, W.Mittig, P.Roussel-Chomaz, R.Kanungo, A.Gallant, M.Notani, G.Savard, I.J.Thompson Measurement of the Two-Halo Neutron Transfer Reaction 1H(11Li, 9Li)3H at 3 A MeV NUCLEAR REACTIONS 1H(11Li, 9Li)3H, E=3 MeV/nucleon; measured σ(θ), proton-Li-coin using gas-Si-CsI target-detection system (MAYA active target); deduced spectroscopic factors. Comparison with Optical Model calculations.
doi: 10.1103/PhysRevLett.100.192502
2007ES07 Phys.Rev. C 76, 051302 (2007) A.Esler, J.C.Peng, D.Chandler, D.Howell, S.K.Lamoreaux, C.Y.Liu, J.R.Torgerson Dressed spin of 3He NUCLEAR MOMENTS 3He; measured precessional frequency in magnetic field; deduced dressed spin effects of polarized 3He. Proposed measurement for neutron electric dipole moment.
doi: 10.1103/PhysRevC.76.051302
2006KA50 Phys.Rev. C 74, 045803 (2006) R.Kanungo, T.K.Alexander, A.N.Andreyev, G.C.Ball, R.S.Chakrawarthy, M.Chicoine, R.Churchman, B.Davids, J.S.Forster, S.Gujrathi, G.Hackman, D.Howell, J.R.Leslie, A.C.Morton, S.Mythili, C.J.Pearson, J.J.Ressler, C.Ruiz, H.Savajols, M.A.Schumaker, I.Tanihata, P.Walden, S.Yen Lifetime of 19Ne*(4.03 MeV) NUCLEAR REACTIONS 3He(20Ne, α), E=34 MeV; measured Eγ, Iγ, (particle)γ-coin, DSA. 19Ne level deduced T1/2, decay width.
doi: 10.1103/PhysRevC.74.045803
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