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NSR database version of April 25, 2024.

Search: Author = D.A.Howell

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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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2420. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2176. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2022. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2052. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1932.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1828.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1786. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1604.

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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1635.

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
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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 T_1/2, decay width.

doi: 10.1103/PhysRevC.74.045803
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Data from this article have been entered in the XUNDL database. For more information, click here.

Note: The following list of authors and aliases matches the search parameter D.A.Howell: , D.A.HOWELL