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NSR database version of April 11, 2024.

Search: Author = G.J.Mathews

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2024SA18      Phys.Lett. B 851, 138581 (2024)

H.Sasaki, Y.Yamazaki, T.Kajino, G.J.Mathews

Effects of Hoyle state de-excitation on νp–process nucleosynthesis and Galactic chemical evolution

NUCLEAR STRUCTURE 12C, 92,94Mo, 96,98Ru; calculated impact of Hoyle states on isotope production in proton-rich neutrino-driven winds.

doi: 10.1016/j.physletb.2024.138581
Citations: PlumX Metrics

2022KO31      Astrophys.J. 937, 116 (2022)

H.Ko, D.Jang, M.-K.Cheoun, M.Kusakabe, H.Sasaki, X.Yao, T.Kajino, T.Hayakawa, M.Ono, T.Kawano, G.J.Mathews

Comprehensive Analysis of the Neutrino Process in Core-collapsing Supernovae

ATOMIC MASSES 7Li, 7Be, 11B, 11C, 92Nb, 98Tc, 138La, 180Ta; analyzed available data; deduced abundances for the neutrino flavor change effects due to neutrino self-interaction and shock wave propagation, as well as the matter effects on the neutrino process in core-collapsing supernovae (CCSNe).

doi: 10.3847/1538-4357/ac88cd
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2022YA16      Astrophys.J. 933, 112 (2022)

Y.Yamazaki, Z.He, T.Kajino, G.J.Mathews, M.A.Famiano, X.Tang, J.Shi

Possibility to Identify the Contributions from Collapsars, Supernovae, and Neutron Star Mergers from the Evolution of the r-process Mass Abundance Distribution

doi: 10.3847/1538-4357/ac721c
Citations: PlumX Metrics

2019KA42      Prog.Part.Nucl.Phys. 107, 109 (2019)

T.Kajino, W.Aoki, A.B.Balantekin, R.Diehl, M.A.Famiano, G.J.Mathews

Current status of r-process nucleosynthesis

doi: 10.1016/j.ppnp.2019.02.008
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2019MA74      Int.J.Mod.Phys. E28, 1950065 (2019)

T.R.Makki, M.F.E.Eid, G.J.Mathews

Impact of neutrino properties and dark matter on the primordial Lithium production

ATOMIC MASSES Z=1-3; calculated abundances during standard big bang nucleosynthesis (SBBN) during the first minutes after the creation of the universe.

doi: 10.1142/S0218301319500654
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2018HA31      Phys.Rev.Lett. 121, 102701 (2018)

T.Hayakawa, H.Ko, M.-K.Cheoun, M.Kusakabe, T.Kajino, M.D.Usang, S.Chiba, K.Nakamura, A.Tolstov, K.Nomoto, M.-a.Hashimoto, M.Ono, T.Kawano, G.J.Mathews

Short-Lived Radioisotope 98Tc Synthesized by the Supernova Neutrino Process

NUCLEAR REACTIONS 98Mo(ν, E)98Tc, 99Tc(ν, ν'n)98Tc, 99Ru(ν, ν'p)98Tc, E=1-9 MeV; calculated yields, abundances as a function of interior mass from the Supernova; deduced dominance the charged current reaction on 98Mo reaction.

doi: 10.1103/PhysRevLett.121.102701
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2017FO19      Int.J.Mod.Phys. E26, 1741008 (2017)

M.Foley, N.Sasankan, M.Kusakabe, G.J.Mathews

Revised uncertainties in Big Bang Nucleosynthesis

NUCLEAR STRUCTURE 2H, 3,4He, 7Li; calculated abundances and 2σ uncertainties for light nuclei. Monte Carlo analysis of the nucleosynthesis uncertainties as a function of the baryon-to-photon ratio. Reaction rates were updated to those of NACRE, REACLIB, and R-matrix calculations.

doi: 10.1142/S0218301317410087
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2017MA53      Int.J.Mod.Phys. E26, 1741001 (2017)

G.J.Mathews, M.Kusakabe, T.Kajino

Introduction to big bang nucleosynthesis and modern cosmology

COMPILATION 2H, 3,4He, 7Li; compiled isotopic abundances of light nuclei. Comparison with theoretical calculations.

doi: 10.1142/S0218301317410014
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2014MA13      Phys.Rev. C 89, 035801 (2014)

T.Maruyama, J.Hidaka, T.Kajino, N.Yasutake, T.Kuroda, T.Takiwaki, M.-K.Cheoun, C.-Y.Ryu, G.J.Mathews

Rapid spin deceleration of magnetized protoneutron stars via asymmetric neutrino emission

doi: 10.1103/PhysRevC.89.035801
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2013MA52      J.Phys.:Conf.Ser. 445, 012023 (2013)

G.J.Mathews, M.Meixner, J.P.Olson, I.-S.Suh, T.Kajino, T.Maruyama, J.Hidaka, C.-Y.Ryu, M.-K.Cheoun, N.Q.Lan

Updates of the nuclear equation of state for core-collapse supernovae and neutron stars: effects of 3-body forces, QCD, and magnetic fields

doi: 10.1088/1742-6596/445/1/012023
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2012CH25      Phys.Rev. C 85, 065807 (2012)

M.-K.Cheoun, E.Ha, T.Hayakawa, S.Chiba, K.Nakamura, T.Kajino, G.J.Mathews

Neutrino induced reactions for ν-process nucleosynthesis of 92Nb and 98Tc

NUCLEAR REACTIONS 92Zr(ν, e)92Nb, 93Nb[ν, ν'n)92Nb, 93Nb(ν-bar, ν-bar'n]92Nb, 98Mo(ν, e)98Tc, 99Ru(ν, ν'p)98Tc, 99Ru(ν-bar, ν-bar'p)98Tc, E<80 MeV; calculated B(GT) strength distributions, energy and temperature dependent σ in charge current (CC) and neutral current (NC) reactions. Quasiparticle random phase approximation calculations. Nucleosynthesis of odd-odd 98Tc and 92Nb nuclei by the ν-process in core-collapse supernovae.

doi: 10.1103/PhysRevC.85.065807
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2012NI06      Phys.Rev. C 85, 048801 (2012)

N.Nishimura, T.Kajino, G.J.Mathews, S.Nishimura, T.Suzuki

Impact of new β-decay half-lives on r-process nucleosynthesis

ATOMIC MASSES A=110-120; analyzed effect of newly measured β decay half-lives of neutron-rich nuclei on r-process nucleosynthesis, thermodynamic properties, elemental abundance distributions, integrated mass-averaged total final abundance distributions of r-process elements. MHD (magnetohydrodynamic) supernova model, and FRDM, RIBF, and RIBF networks.

doi: 10.1103/PhysRevC.85.048801
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2012RY01      Phys.Rev. C 85, 045803 (2012)

C.-Y.Ryu, T.Maruyama, T.Kajino, G.J.Mathews, M.-K.Cheoun

Spin change of a proto-neutron star by the emission of neutrinos

doi: 10.1103/PhysRevC.85.045803
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2011KU30      J.Phys.:Conf.Ser. 312, 042012 (2011)

M.Kusakabe, T.Kajino, G.J.Mathews

SUSY-catalyzed big bang nucleosynthesis as a solution of lithium problems

doi: 10.1088/1742-6596/312/4/042012
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2010HA13      Phys.Rev. C 81, 052801 (2010)

T.Hayakawa, T.Kajino, S.Chiba, G.J.Mathews

New estimate for the time-dependent thermal nucleosynthesis of 180Tam

NUCLEAR STRUCTURE 180Ta, 180mTa; calculated time-dependent production and transition widths of 180gTa 180mTa in ν and γ processes in supernovae. Comparison with production of 138La in ν process.

doi: 10.1103/PhysRevC.81.052801
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2010HA27      Phys.Rev. C 82, 058801 (2010)

T.Hayakawa, P.Mohr, T.Kajino, S.Chiba, G.J.Mathews

Reanalysis of the (J=5) state at 592 keV in 180Ta and its role in the υ-process nucleosynthesis of 180Ta in supernovae

NUCLEAR STRUCTURE 180mTa; analyzed production and freeze out of 180mTa through the influence of a spin 5 state at 592 keV. Implication for coproduction by neutrino nucleosynthesis with an electron neutrino temperature of kT AP 4 MeV. 180Ta; discussed low-K and high-K rotational band structures; deduced astrophysical reaction rates.

doi: 10.1103/PhysRevC.82.058801
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2008FA01      J.Phys.(London) G35, 025203 (2008)

M.A.Famiano, R.N.Boyd, T.Kajino, K.Otsuki, M.Terasawa, G.J.Mathews

Effects of β-decays of excited-state nuclei on the astrophysical r-process

doi: 10.1088/0954-3899/35/2/025203
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2008KU08      Astrophys.J. 680, 846 (2008)

M.Kusakabe, T.Kajino, R.N.Boyd, T.Yoshida, G.J.Mathews

The X- solution to the 6Li and 7Li big bang nucleosynthesis problems

doi: 10.1086/588548
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2008MA27      Nucl.Phys. A805, 303c (2008)


Frontiers of Nuclear Astrophysics

doi: 10.1016/j.nuclphysa.2008.02.258
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2007KU31      Phys.Rev. D 76, 121302 (2007)

M.Kusakabe, T.Kajino, R.N.Boyd, T.Yoshida, G.J.Mathews

Simultaneous solution to the 6Li and 7Li big bang nucleosynthesis problems from a long-lived negatively charged leptonic particle

doi: 10.1103/PhysRevD.76.121302
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2006BA40      Phys.Rev. C 74, 015802 (2006)

A.Bartlett, J.Gorres, G.J.Mathews, K.Otsuki, M.Wiescher, D.Frekers, A.Mengoni, J.Tostevin

Two-neutron capture reactions and the r process

NUCLEAR REACTIONS 4He(2n, γ), 6He(α, n), E(cm)=0-4 MeV; calculated σ, astrophysical reaction rates. Implications for r-process nucleosynthesis discussed.

doi: 10.1103/PhysRevC.74.015802
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2006SA16      J.Phys.(London) G32, 681 (2006)

L.Saleh, T.C.Beers, G.J.Mathews

Early star formation, nucleosynthesis and chemical evolution in proto-galactic clouds

doi: 10.1088/0954-3899/32/5/007
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2005MA06      Phys.Rev. D 71, 021302 (2005)

G.J.Mathews, T.Kajino, T.Shima

Big bang nucleosynthesis with a new neutron lifetime

doi: 10.1103/PhysRevD.71.021302
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2005MA66      Nucl.Phys. A758, 238c (2005)

G.J.Mathews, T.P.Ashenfelter, K.A.Olive

Galactic Chemical Evolution, AGB Stars, and the Apparent Time Variation of the Fine Structure Constant

doi: 10.1016/j.nuclphysa.2005.05.042
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2005MA72      Nucl.Phys. A758, 467c (2005)

G.J.Mathews, J.R.Wilson, D.S.P.Dearborn

Supernovae from White Dwarfs Near Black Holes

doi: 10.1016/j.nuclphysa.2005.05.179
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2005OT02      Nucl.Phys. A758, 316c (2005)

K.Otsuki, G.J.Mathews, T.Ashenfelter, T.Kajino

Neutron-capture elements in Galactic globular clusters

doi: 10.1016/j.nuclphysa.2005.05.057
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2005SA47      Nucl.Phys. A758, 639c (2005)

T.Sasaqui, T.Kajino, K.Otsuki, G.J.Mathews, T.Nakamura

Light-Mass Cluster Reactions in Supernova R-Process

doi: 10.1016/j.nuclphysa.2005.05.115
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2004KA49      Prog.Theor.Phys.(Kyoto), Suppl. 154, 301 (2004)

T.Kajino, T.Sasaqui, K.Otsuki, K.Ichiki, M.Orito, G.J.Mathews, S.Chiba

Fusion Reactions in Supernovae and the Early Universe

doi: 10.1143/PTPS.154.301
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2003IC02      Nucl.Phys. A718, 383c (2003)

K.Ichiki, M.Yahiro, T.Kajino, M.Orito, G.J.Mathews

Constraints on the Nature of Cosmological Constant - from Big Bang Nucleosynthesis and CMB anisotropies -

doi: 10.1016/S0375-9474(03)00805-4
Citations: PlumX Metrics

2003IC03      Nucl.Phys. A718, 386c (2003)

K.Ichiki, M.Yahiro, T.Kajino, M.Orito, G.J.Mathews

Observational Constraints on Dark Radiation in Brane Cosmology

doi: 10.1016/S0375-9474(03)00811-X
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2003IW03      Nucl.Phys. A718, 193c (2003)

N.Iwamoto, G.J.Mathews, M.Y.Fujimoto, T.Kajino, W.Aoki

A New Model for s-Process Nucleosynthesis in Low-Mass, Low-Metallicity AGB Stars

doi: 10.1016/S0375-9474(03)00714-0
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2003IW04      Nucl.Phys. A719, 57c (2003)

N.Iwamoto, T.Kajino, G.J.Mathews, M.Y.Fujimoto

Nucleosynthesis in low-mass, low-metallicity AGB stars

doi: 10.1016/S0375-9474(03)00958-8
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2003MA43      Nucl.Phys. A718, 15c (2003)

G.J.Mathews, K.Ichiki, T.Kajino, M.Orito, M.Yahiro

New Paradigms for Primordial Nucleosynthesis

doi: 10.1016/S0375-9474(03)00674-2
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2003OR02      Nucl.Phys. A719, 1c (2003)

M.Orito, T.Kajino, K.Ichiki, M.Yahiro, G.J.Mathews, Y.Wang

BBN and CMB constraints on universal lepton asymmetry, quintessential inflation, and brane world cosmology

doi: 10.1016/S0375-9474(03)00950-3
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2003OT01      Nucl.Phys. A718, 677c (2003)

K.Otsuki, G.J.Mathews, T.Kajino

Nuclear Cosmochronometer and Universality in the r-Process Abundance Distribution

doi: 10.1016/S0375-9474(03)00886-8
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2003OT02      Nucl.Phys. A721, 1024c (2003)

K.Otsuki, G.J.Mathews, T.Kajino, S.Honda, W.Aoki, A.Aprahamian, K.Vaughan

Nuclear Cosmochronometry and Universality in the r-Process Abundances

doi: 10.1016/S0375-9474(03)01276-4
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2002KA38      Nucl.Phys. A704, 165c (2002)

T.Kajino, S.Wanajo, G.J.Mathews

R-Process Nucleosynthesis in Core-Collapse Supernova Explosion

doi: 10.1016/S0375-9474(02)00777-7
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2002MA44      Nucl.Phys. A704, 179c (2002)

G.J.Mathews, M.T.Ressell

Shell-Model Studies Near the N = 82 r-Process Waiting Point

NUCLEAR STRUCTURE 112In, 127,135I, 131Sn, 133Sb; calculated levels, J, π. 130Cd, 128Pd; calculated Gamow-Teller strength distributions. Z=40-49; calculated β-decay T1/2.

doi: 10.1016/S0375-9474(02)00778-9
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2001AO03      Astrophys.J. 561, 346 (2001)

W.Aoki, S.G.Ryan, J.E.Norris, T.C.Beers, H.Ando, N.Iwamoto, T.Kajino, G.J.Mathews, M.Y.Fujimoto

Neutron Capture Elements in s-Process-Rich, Very Metal-Poor Stars

doi: 10.1086/323230
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2001OR03      Nucl.Phys. A688, 17c (2001)

M.Orito, T.Kajino, G.J.Mathews, R.N.Boyd

Primordial Nucleosynthesis and Neutrinos with Mass and Degeneracy

doi: 10.1016/S0375-9474(01)00660-1
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2001SU12      Nucl.Phys. A688, 478c (2001)

K.Sumiyoshi, M.Terasawa, H.Suzuki, S.Yamada, H.Toki, G.J.Mathews, T.Kajino

Relativistic Simulations of Supernovae and the r-Process; A new relativistic EOS and nuclear reaction network

doi: 10.1016/S0375-9474(01)00761-8
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2001SU23      Astrophys.J. 562, 880 (2001)

K.Sumiyoshi, M.Terasawa, G.J.Mathews, T.Kajino, S.Yamada, H.Suzuki

r-Process in Prompt Supernova Explosions Revisited

doi: 10.1086/323524
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2001TE04      Nucl.Phys. A688, 581c (2001)

M.Terasawa, K.Sumiyoshi, T.Kajino, I.Tanihata, G.J.Mathews, K.Langanke

New Nuclear Reaction Flow During r-Process Nucleosynthesis in Supernovae: The critical role of light neutron-rich nuclei

doi: 10.1016/S0375-9474(01)00795-3
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2001TE05      Astrophys.J. 562, 470 (2001)

M.Terasawa, K.Sumiyoshi, T.Kajino, G.J.Mathews, I.Tanihata

New Nuclear Reaction Flow During r-Process Nucleosynthesis in Supernova: Critical role of light, neutron-rich nuclei

doi: 10.1086/323526
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1998SU27      Phys.Rev. D58, 123002 (1998)

I.-S.Suh, G.J.Mathews

Finite Temperature Effects on Cosmological Baryon Diffusion and Inhomogeneous Big-Bang Nucleosynthesis

doi: 10.1103/PhysRevD.58.123002
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1997FI09      Nucl.Phys. A621, 580c (1997)

B.D.Fields, G.J.Mathews, D.N.Schramm

Halo White Dwarfs and the Hot Intergalactic Medium

doi: 10.1016/S0375-9474(97)00307-2
Citations: PlumX Metrics

1997MA45      Nucl.Phys. A621, 505c (1997)


Primordial Nucleosynthesis in the Next Millennium

doi: 10.1016/S0375-9474(97)00298-4
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1996AU05      Phys.Rev. C53, 3139 (1996)

M.B.Aufderheide, S.D.Bloom, G.J.Mathews, D.A.Resler

Importance of (n, p) Reactions for Stellar Beta Decay Rates

NUCLEAR STRUCTURE 54,56Mn, 58Co, 59Fe; calculated Gamow-Teller resonances; deduced newly calibrated stellar β-decay rates related features. Data from (n, p) reactions considered.

doi: 10.1103/PhysRevC.53.3139
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1996RE06      Phys.Rev. C53, 2505 (1996)

M.T.Ressell, G.J.Mathews, M.B.Aufderheide, S.D.Bloom, D.A.Resler

Strange Neutral Currents in Nuclei

NUCLEAR STRUCTURE 50,52,54,56,58,60,62,64,66Fe, 56Ni, 28Si, 24Mg, 20Ne, 14N, 12C; calculated total neutral current Gamow-Teller transition strength change, strength function. Shell model, finite contribution from polarized strange quark sea.

doi: 10.1103/PhysRevC.53.2505
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1994WO06      Astrophys.J. 433, 229 (1994)

S.E.Woosley, J.R.Wilson, G.J.Mathews, R.D.Hoffman, B.S.Meyer

The r-Process and Neutrino-Heated Supernova Ejecta

doi: 10.1086/174638
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1993AU02      Phys.Rev. C47, 2961 (1993)

M.B.Aufderheide, S.D.Bloom, D.A.Resler, G.J.Mathews

Implications of the Recent 59Co(n, p)59Fe Experiment for Stellar Electron Capture Rates

NUCLEAR REACTIONS 59Co(p, n), E not given; calculated Gamow-Teller transition strength; deduced stellar electron capture rate (in 59Co) implications. Shell model.

NUCLEAR STRUCTURE 59Co, 59Fe; calculated levels. 60Co; calculated Gamow-Teller transition strengths. 59,60Co; calculated stellar electron capture rate vs temperature. Shell model.

doi: 10.1103/PhysRevC.47.2961
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1993AU06      Phys.Rev. C48, 1677 (1993)

M.B.Aufderheide, S.D.Bloom, D.A.Resler, G.J.Mathews

Shell-Model Calculations of Gamow-Teller Strength in 51V, 54Fe, and 59Co

NUCLEAR REACTIONS 51V, 54Fe, 59Co(p, n), (n, p), E not given; calculated normalized Gamow-Teller transition strength; deduced quenching reaction dependence. Shell model.

doi: 10.1103/PhysRevC.48.1677
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1993RE14      Phys.Rev. D48, 5519 (1993)

M.T.Ressell, M.B.Aufderheide, S.D.Bloom, K.Griest, G.J.Mathews, D.A.Resler

Nuclear Shell Model Calculations of Neutralino-Nucleus Cross Sections for 29Si and 73Ge

NUCLEAR REACTIONS 29Si, 73Ge(X, X), E not given; calculated neutralino scattering matrix elements; deduced non-nuclear uncertainities. Shell model target wave functions.

NUCLEAR STRUCTURE 29Si, 73Ge; calculated levels, spectroscopic factors, g factors. Shell model target wave functions.

doi: 10.1103/PhysRevD.48.5519
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1993WO01      Phys.Rev. C47, 267 (1993)

L.W.Woo, K.Kwiatkowski, W.G.Wilson, V.E.Viola, H.Breuer, G.J.Mathews

Cross Sections for A = 6-30 Fragments from the 4He + 28Si Reaction at 117 and 198 MeV

NUCLEAR REACTIONS 28Si(α, X), E=117.4, 198.5 Mev; measured σ(fragment θ, E), fragment mass, energy distribution for mass 6-30; deduced implications to cosmic ray, astrophysics data. Intranuclear cascade, followed by residues statistical decay model analysis.

doi: 10.1103/PhysRevC.47.267
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0928.

1992WA04      Nucl.Phys. A536, 159 (1992)

T.F.Wang, R.N.Boyd, G.J.Mathews, M.L.Roberts, K.E.Sale, M.M.Farrell, M.S.Islam, G.W.Kolnicki

Measurement of the Half-Life of 20F

RADIOACTIVITY 20Ne [from 19F(d, p)20F(β-)20Ne(*)(γ)20Ne]; measured Iγ(t). 20F level deduced T1/2. Radioactive beam.

doi: 10.1016/0375-9474(92)90251-E
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1991BA10      Phys.Rev. C43, 2004 (1991)

R.W.Bauer, G.Bazan, J.A.Becker, R.E.Howe, G.J.Mathews

Neutron Capture Cross Sections of 86Sr and 87Sr from 100 eV to 1 MeV, the Conditions for the Astrophysical s Process, and the 87Rb-87Sr Cosmochronometer

NUCLEAR REACTIONS 86,87Sr(n, γ), E=100 eV-1 MeV; measured capture σ; deduced Maxwellian-averaged σ, s-process neutron density, temperature, age of galaxy.

doi: 10.1103/PhysRevC.43.2004
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13634.

1990AL45      Phys.Rev.Lett. 64, 2607 (1990)

C.R.Alcock, D.S.Dearborn, G.M.Fuller, G.J.Mathews, B.S.Meyer

Late-Time Dissipation of Primordial Baryon-Number Fluctuations and Nucleosynthesis

doi: 10.1103/PhysRevLett.64.2607
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1990SA16      Phys.Rev. C41, 2418 (1990)

K.E.Sale, T.-F.Wang, R.N.Boyd, G.J.Mathews, D.W.Heikkinen, M.L.Roberts, M.S.Islam, P.B.Corn

Measurement of the Half-Life of 8Li

RADIOACTIVITY 8Li(β-); measured T1/2, Eα, Iα. Radioactive ion beam implanted in Si detector.

doi: 10.1103/PhysRevC.41.2418
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1989KA18      Phys.Rev. C40, 525 (1989)

T.Kajino, G.J.Mathews, K.Ikeda

Branching Ratios for 3He(α, γ)7Be and 3H(α, γ)7Li

NUCLEAR REACTIONS, ICPND 3H, 3He(α, γ), E(cm) ≈ 0-1.5 MeV; calculated branching ratios; deduced astrophysical S-factor for 3H(α, γ) reaction. Kinematical direct capture model.

doi: 10.1103/PhysRevC.40.525
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1989ME06      Phys.Rev. C39, 1876 (1989)

B.S.Meyer, W.M.Howard, G.J.Mathews, K.Takahashi, P.Moller, G.A.Leander

Beta-Delayed Fission and Neutron Emission Calculations for the Actinide Cosmochronometers

NUCLEAR STRUCTURE 234,244,252Fr, 246,248,252,264Ac, 250,252,254,260,270Pa, 252,254,276Np, 251,258,264,277Am; calculated Gamow-Teller strength functions; deduced beta-delayed fission, beta delayed neutron emission, galactic age uncertainities. Actinide cosmochronometers.

doi: 10.1103/PhysRevC.39.1876
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1987BL24      Can.J.Phys. 65, 684 (1987)

S.D.Bloom, G.J.Mathews, J.A.Becker

Gamow-Teller Strength Function for 90Zr(n, p)90Y

NUCLEAR REACTIONS 90Zr(n, p), E not given; calculated Gamow-Teller strength function. Exciton model.

NUCLEAR STRUCTURE 90Y; calculated energy levels. Exciton model.

doi: 10.1139/p87-098
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1987TA16      Phys.Rev. C36, 1522 (1987)

K.Takahashi, R.N.Boyd, G.J.Mathews, K.Yokoi

Bound-State Beta Decay of Highly Ionized Atoms

RADIOACTIVITY 3H, 14C, 32Si, 33P, 35S, 45Ca, 63,66Ni, 93Zr, 95Nb, 106Ru, 107Pd, 110mAg, 151Sm, 155Eu, 163Dy, 171Tm, 187Re, 191Os, 193Ir, 205Tl, 210Pb, 228Ra, 227Ac, 241Pu; calculated β-decay rates, T1/2. Highly ionized atoms.

doi: 10.1103/PhysRevC.36.1522
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1986HO34      Astrophys.J. 309, 633 (1986)

W.H.Howard, G.J.Mathews, K.Takahashi, R.A.Ward

Parametric Study of Pulsed Neutron Source Models for the s-Process

COMPILATION Z=34-83, A=79-209; compiled thermal capture σ data; deduced (σxabundance) vs mass, pulse neutron density, optimum temperature.

doi: 10.1086/164632
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1986TA01      Phys.Rev. C33, 296 (1986)

K.Takahashi, G.J.Mathews, S.D.Bloom

Shell-Model Calculation of 99Tc Beta Decay in Astrophysical Environments

NUCLEAR STRUCTURE 99Tc; calculated β-decay Gamow-Teller matrix elements, T1/2 at stellar temperature, s-process survival. 97Mo; calculated levels, β-decay log ft. 97Nb, 99Ru; calculated levels. Shell model.

doi: 10.1103/PhysRevC.33.296
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1985HA40      Nucl.Instrum.Methods Phys.Res. B10/11, 361 (1985)

R.C.Haight, G.J.Mathews, R.W.Bauer

Radioactive Ion Beams - Hot Stellar Reactions in the Laboratory

NUCLEAR REACTIONS 2H(7Be, 8B), E=16.9 MeV; 2H(7Li, 8Li), E=12.2 MeV; measured σ. Radioactive beams, hot stellar reactions.

doi: 10.1016/0168-583X(85)90269-1
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1985KA12      Astrophys.J. 291, 319 (1985)

F.Kappeler, G.Walter, G.J.Mathews

Stellar Neutron Capture Rates for 46Ca and 48Ca

NUCLEAR REACTIONS 46,48Ca(n, γ), E ≤ 97 keV; measured Eγ, Iγ, capture σ(E); deduced stellar neutron capture rates.

doi: 10.1086/163071
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1985MA40      Phys.Rev. C32, 796 (1985)

G.J.Mathews, S.D.Bloom, G.M.Fuller, J.N.Bahcall

Shell Model Calculation for the 71Ga(ν, e-)71Ge Solar Neutrino Detector

NUCLEAR REACTIONS 71Ga(ν, e-), E not given; calculated Gamow-Teller transition strengths to residual nuclear levels following neutrino capture; deduced solar neutrino capture rate. 72Ge(p, d), 70Zn(3He, d), E not given; calculated spectroscopic factors.

NUCLEAR STRUCTURE 71Ga; calculated levels. 71Ge; calculated levels, Gamow-Teller transition strengths.

doi: 10.1103/PhysRevC.32.796
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1984GO04      Phys.Rev. C29, 1606 (1984)

A.Gokmen, G.J.Mathews, V.E.Viola, Jr.

Intranuclear Cascade and Fermi Breakup Calculations of 1H- and 4He-Induced Reactions on Light Target Nuclei

NUCLEAR REACTIONS, ICPND 12C(α, X), E=61, 80.1, 159.3 MeV; calculated σ(fragment θ) for fragment mass 6-15; 16O(α, X), E=81.9 MeV; calculated σ(fragment θ) for fragment mass 12-19; 16O(p, X), E=75 MeV; 12C(p, X), E=100 MeV; calculated σ(fragment θ) for fragment mass 6-11. 12C(α, X), E=61 MeV; calculated σ(fragment θ, E) for fragment mass A=11, 14; 12C(α, X), E=80.1 MeV; calculated σ(fragment θ, E) for fragment mass A=6, 11; 12C(α, X), E=159.3 MeV; calculated σ(fragment θ) for A=9, 11; 12C(α, X), E=80.1 MeV; calculated σ vs fragment mass.

doi: 10.1103/PhysRevC.29.1606
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1984MA66      Astrophys.J. 286, 810 (1984)

G.J.Mathews, F.Kappeler

Neutron-Capture Nucleosynthesis of Neodymium Isotopes and the s-Process from A = 130 to 150

NUCLEAR REACTIONS 142,143,144Nd(n, γ), E=6-200 keV; measured capture σ(E); deduced thermonuclear reaction rates, Maxwellian < σ >, recommended values for s-, r-processes.

doi: 10.1086/162657
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1984MA67      Astrophys.J. 287, 969 (1984)

G.J.Mathews, F.S.Dietrich

The 13N(p, γ)14O Thermonuclear Reaction Rate and the Hot CNO Cycle

NUCLEAR REACTIONS, ICPND 13N(p, γ), E=resonance; calculated thermonuclear capture σ, reaction rate. 14O level deduced Γ. Semi-direct radiative capture model.

doi: 10.1086/162754
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1984OS03      Nucl.Phys. A419, 115 (1984)

J.L.Osborne, C.A.Barnes, R.W.Kavanagh, R.M.Kremer, G.J.Mathews, J.L.Zyskind, P.D.Parker, A.J.Howard

Low-energy behavior of the 3He(α, γ)7Be cross section

NUCLEAR REACTIONS, ICPND 3He(α, γ), E=165-1169 keV; measured σ(E), Eγ, γ-branching ratio. 3He(α, γ), E(cm)=947, 1255 keV; measured σ(E). Enriched target.

doi: 10.1016/0375-9474(84)90288-4
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1983HA17      Nucl.Instrum.Methods 212, 245 (1983)

R.C.Haight, G.J.Mathews, R.M.White, L.A.Aviles, S.E.Woodard

A New System for Astrophysical Nuclear Reaction Studies with Radioactive Ion Beams

NUCLEAR REACTIONS 2H(7Be, 8B), E=16.9 MeV; measured σ. Radioactive ion beams.

doi: 10.1016/0167-5087(83)90699-3
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1983KW01      Phys.Rev.Lett. 50, 1648 (1983)

K.Kwiatkowski, S.H.Zhou, T.E.Ward, V.E.Viola, Jr., H.Breuer, G.J.Mathews, A.Gokmen, A.C.Mignerey

Energy Deposition in Intermediate-Energy Nucleon-Nucleus Collisions

NUCLEAR REACTIONS 27Al(p, X), E=180 MeV; measured σ(fragment θ, mass), σ(fragment θ, E, mass); deduced enhanced energy deposition. Intranuclear cascade plus evaporation, preequilibrium hybrid, semi-empirical models.

doi: 10.1103/PhysRevLett.50.1648
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1983MA34      Phys.Rev. C28, 879 (1983)

G.J.Mathews, R.C.Haight, R.G.Lanier, R.M.White

Branching Ratio in the Decay of 7Be

RADIOACTIVITY 7Be(EC) [from 1H(7Li, 7Be), E=24 MeV]; measured Eγ, Iγ. 7Li level deduced EC branching ratio.

doi: 10.1103/PhysRevC.28.879
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1983MA45      Phys.Rev. C28, 1367 (1983)

G.J.Mathews, S.D.Bloom, R.F.Hausman, Jr.

Gamow-Teller Strength Function for 90Zr: Effects of spin and isospin exchange forces, and ground-state correlations

RADIOACTIVITY 90Zr(β-); calculated Gamow-Teller strength function; deduced spin, isospin exchange force, ground state correlation effects. Shell model.

doi: 10.1103/PhysRevC.28.1367
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1983WO07      Nucl.Phys. A402, 322 (1983)

G.J.Wozniak, G.J.Mathews, R.P.Schmitt, R.Regimbart, H.Hubel, R.M.Diamond, L.G.Moretto

A Study of Charge, Energy and Angular Momentum Transfer in the 56Fe + 197Au and 56Fe + 107,109Ag Reactions at 7.2 and 8.3 MeV/Nucleon

NUCLEAR REACTIONS Ag, 197Au(56Fe, X), E=401, 460, 470 MeV; measured σ(fragment E, Z, θ), γ-ray multiplicity for 13 ≤ Z ≤ 39. Diffusion model.

doi: 10.1016/0375-9474(83)90502-X
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1982GL01      Phys.Rev. C25, 34 (1982)

B.G.Glagola, V.E.Viola, Jr., H.Breuer, N.S.Chant, A.Nadasen, P.G.Roos, S.M.Austin, G.J.Mathews

Production of 6H, 6Li, 7Li, and 7Be in the α + α Reaction between 60-160 MeV

NUCLEAR REACTIONS 4He(α, X), E=60-160 MeV; measured σ(fragment θ, E), production σ(E) for 6He, 6,7Li, 7Be.

doi: 10.1103/PhysRevC.25.34
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1982MA01      Phys.Rev. C25, 300 (1982)

G.J.Mathews, J.B.Moulton, G.J.Wozniak, B.Cauvin, R.P.Schmitt, J.S.Sventek, L.G.Moretto

20Ne-Induced Reactions with Cu and 197Au at 8.6 and 12.6 MeV/Nucleon

NUCLEAR REACTIONS Cu, 197Au(20Ne, X), E=170, 252 MeV; measured σ(fragment θ, E, Z). Diffusion model.

doi: 10.1103/PhysRevC.25.300
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1982MA15      Phys.Rev. C25, 2181 (1982)

G.J.Mathews, B.G.Glagola, R.A.Moyle, V.E.Viola, Jr.

Inclusion of Deuteron and Alpha-Particle Collisions in Intranuclear Cascade Calculations

NUCLEAR REACTIONS 27Al(p, p), (p, α), E=150, 300 MeV; calculated σ(θ, Ep), σ(θ, Eα). 27Al(α, α), E=140 MeV; calculated σ(θ), σ; 27Al(α, X), E=140 MeV; calculated fragment mass yields. Intranuclear cascade models.

NUCLEAR REACTIONS, Fission 233U(α, F), E=140 MeV; calculated(fragment)(fragment)(θ). Intranuclear cascade models.

doi: 10.1103/PhysRevC.25.2181
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1982OS02      Phys.Rev.Lett. 48, 1664 (1982)

J.L.Osborne, C.A.Barnes, R.W.Kavanagh, R.M.Kremer, G.J.Mathews, J.L.Zyskind, P.D.Parker, A.J.Howard

Low-Energy 3He(α, γ)7Be Cross-Section Measurements

NUCLEAR REACTIONS, ICPND 3He(α, γ), E(cm)=165-1170 keV; measured absolute σ vs E, γ-branching ratio; deduced zero-energy intercept. Activation technique, 3He gas target.

doi: 10.1103/PhysRevLett.48.1664
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1981SC03      Phys.Rev.Lett. 46, 522 (1981)

R.P.Schmitt, G.J.Wozniak, G.U.Rattazzi, G.J.Mathews, R.Regimbart, L.G.Moretto

Fast-Particle Emission in the Deep-Inelastic Reaction Cu + 20Ne at 12.6 MeV/nucleon

NUCLEAR REACTIONS Cu(20Ne, pX), E=252 MeV; measured p(fragment)(θ), σ(Ep, θp, fragment θ). Collinear geometry. Evaporation calculations, thermal fluctuation in two fragment excitation energy.

doi: 10.1103/PhysRevLett.46.522
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1979AG06      Phys.Rev.Lett. 43, 1778 (1979)

P.Aguer, R.P.Schmitt, G.J.Wozniak, D.Habs, R.M.Diamond, C.Ellegaard, D.L.Hillis, C.C.Hsu, G.J.Mathews, L.G.Moretto, G.U.Rattazzi, C.P.Roulet, F.S.Stephens

Fragment Spin Orientation in Deep-Inelastic Reactions from Anisotropy Measurements of Continuum γ Rays

NUCLEAR REACTIONS 197Au(136Xe, X), E=1064 MeV; measured (fragment)γ-coin; deduced depolarization of fragment angular momentum during deep-inelastic collisions. Statistical excitation, various depolarizing modes.

doi: 10.1103/PhysRevLett.43.1778
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1979MA15      Z.Phys. A290, 407 (1979)

G.J.Mathews, L.G.Sobotka, G.J.Wozniak, R.Regimbart, R.P.Schmitt, G.U.Rattazzi, L.G.Moretto

A Scenario for the 220-MeV 40Ar + 238U Reaction

NUCLEAR REACTIONS 238U(40Ar, X), E=220 MeV; measured fragment, (fragment)(fragment)-coin, charge distribution; deduced reaction mechanism.

doi: 10.1007/BF01408404
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1979MA35      Phys.Lett. 87B, 331 (1979)

G.J.Mathews, L.G.Moretto

On Barrier Penetration in Complete-Fusion Systems

NUCLEAR REACTIONS 107,108,109Ag(40Ar, X), E=170 MeV; calculated barrier heights, charge distributions. Classical complete-fusion model.

doi: 10.1016/0370-2693(79)90547-1
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1979MO04      Phys.Rev. C19, 631 (1979)

R.A.Moyle, B.G.Glagola, G.J.Mathews, V.E.Viola, Jr.

Nucleosynthesis of Li, Be, and B: Contributions from the p + 16O Reaction at 50-90 MeV

NUCLEAR REACTIONS 16O(p, HI), E=50-90 MeV; measured production σ for A=6, 7, 9, 10, 11, σ(E, θ). Discussed astrophysical significance of data.

doi: 10.1103/PhysRevC.19.631
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1979SO03      Z.Phys. A292, 191 (1979)

L.G.Sobotka, G.J.Mathews, L.G.Moretto

A Theoretical Investigation of Shell Effects in Deep Inelastic Collisions

NUCLEAR REACTIONS 197Au(86Kr, X), E=620 MeV; calculated total angle integrated charge distributions. Shell structure effects on nucleon transport process in deep-inelastic collisions.

doi: 10.1007/BF01441625
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1978GL03      Phys.Rev.Lett. 41, 1698 (1978)

B.G.Glagola, G.J.Mathews, H.F.Breuer, V.E.Viola, Jr., P.G.Roos, A.Nadasen, S.M.Austin

Production of A=6 and 7 Isotopes in the α + α Reaction

NUCLEAR REACTIONS 4He(α, 2p), (α, d), (α, p), (α, n), E=61.5, 158.2 MeV; measured yields. Discussed lithium nucleosynthesis.

doi: 10.1103/PhysRevLett.41.1698
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1978NA16      Phys.Rev. C18, 2792 (1978)

A.Nadasen, P.G.Roos, B.G.Glagola, G.J.Mathews, V.E.Viola, Jr., H.G.Pugh, P.Frisbee

4He + 4He Elastic Scattering at 158.2 MeV

NUCLEAR REACTIONS 4He(α, α), E=158.2 MeV; measured σ(θ). Optical model analysis.

doi: 10.1103/PhysRevC.18.2792
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1977MA26      Z.Phys. A283, 247 (1977)

G.J.Mathews, G.J.Wozniak, R.P.Schmitt, L.G.Moretto

Evidence for the Characterization of Heavy-Ion Reactions by the Ratio E/B

NUCLEAR REACTIONS 108Ag(40Ar, X), E=170 MeV; measured σ(Z, θ). 108Ag(86Kr, X), E=620 MeV; 197Au(86Kr, X), E=620 MeV; analyzed data; deduced characterization of HI reactions by center-of-mass kinetic energy, Coulomb barrier ratio.

doi: 10.1007/BF01407204
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1976MA53      Nature 261, 382 (1976)

G.J.Mathews, V.E.Viola, Jr.

r-Process Nucleosynthesis of Superheavy Nuclei and Nuclear Mass Tables

NUCLEAR STRUCTURE A > 200; calculated nuclear masses.

doi: 10.1038/261382a0
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1976RO12      Phys.Rev. C14, 410 (1976)

C.T.Roche, R.G.Clark, G.J.Mathews, V.E.Viola, Jr.

Li, Be, and B Production in Reactions of 45-100 MeV Protons with 12C: Astrophysical Implications

NUCLEAR REACTIONS 12C(p, X), E=45, 55, 60, 65, 75, 100 MeV; measured σ(E, A, θ), A=6, 7, 9, 10, 11. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.14.410
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1976SC07      Phys.Rev. C13, 1624 (1976)

E.W.Schneider, G.J.Mathews, S.V.Jackson, P.W.Gallagher, W.B.Walters

Gamma-Gamma Angular Correlations in 105Rh Following the Decay of 4.4-h 105Ru

RADIOACTIVITY 105Ru; measured γγ(θ). 105Rh levels deduced J, π.

doi: 10.1103/PhysRevC.13.1624
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1975KI14      Phys.Rev.Lett. 35, 988 (1975)

C.H.King, H.H.Rossner, S.M.Austin, W.S.Chien, G.J.Mathews, V.E.Viola, Jr., R.G.Clark

α + α Reaction and the Origin of 7Li

NUCLEAR REACTIONS 4He(α, p), E=34.7-140 MeV; measured σ(E, Ep, θ). 4He(α, 7Be), E=38.0-140 MeV; measured σ(E, E(7Be), θ).

doi: 10.1103/PhysRevLett.35.988
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1975MA05      Phys.Rev. C11, 587 (1975)

G.J.Mathews, F.M.Bernthal, J.D.Immele

Population of Levels in 199Hg Following 199Tl Decay and Intermediate Coupling Calculations for 199Hg

RADIOACTIVITY 199Tl; measured Eγ, Iγ, γγ-coin; deduced log ft. 199Hg deduced levels, J, π, B(λ), γ-mixing.

doi: 10.1103/PhysRevC.11.587
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