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NSR database version of April 11, 2024.

Search: Author = T.D.Shoppa

Found 13 matches.

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2000SH17      Phys.Rev. C61, 054902 (2000)

T.D.Shoppa, S.E.Koonin, R.Seki

Effect of the Source Charge on Charged-Boson Interferometry

doi: 10.1103/PhysRevC.61.054902
Citations: PlumX Metrics


1998AD12      Rev.Mod.Phys. 70, 1265 (1998)

E.G.Adelberger, S.M.Austin, J.B.Bahcall, A.B.Balantekin, G.Bogaert, L.S.Brown, L.Buchmann, F.E.Cecil, A.E.Champagne, L.de Braeckeleer, C.A.Duba, S.R.Elliott, S.J.Freedom, M.Gai, G.Goldring, C.R.Gould, A.Gruzinov, W.C.Haxton, K.M.Heeger, E.Henley, C.W.Johnson, M.Kamionkowski, R.W.Kavanagh, S.E.Koonin, K.Kubodera, K.Langanke, T.Motobayashi, V.Pandharipande, P.Parker, R.G.H.Robertson, C.Rolfs, R.F.Sawyer, N.Shaviv, T.D.Shoppa, K.A.Snover, E.Swanson, R.E.Tribble, S.Turck-Chieze, J.F.Wilkerson

Solar Fusion Cross Sections

NUCLEAR REACTIONS 7Be, 12,13C, 15N, 16,17,18O(p, γ), 14,15N, 17,18O(p, α), 7Li(d, p), 3He(p, e+), (α, γ), (3He, 2p), 1H(p, e+), E=low; compiled, analyzed S-factor data, calculations; deduced implications for solar neutrino flux calculations.

doi: 10.1103/RevModPhys.70.1265
Citations: PlumX Metrics


1998JE04      Phys.Rev. C58, 579 (1998)

B.K.Jennings, S.Karataglidis, T.D.Shoppa

Direct Capture Astrophysical S Factors at Low Energy

NUCLEAR REACTIONS 16O(p, γ), E < 3 MeV; 7Be(p, γ), E < 0.4 MeV; calculated astrophysical S-factors; deduced low-energy behaviour mechanism.

doi: 10.1103/PhysRevC.58.579
Citations: PlumX Metrics


1998JE11      Phys.Rev. C58, 3711 (1998)

B.K.Jennings, S.Karataglidis, T.D.Shoppa

Extrapolation of the Astrophysical S Factor for 7Be(p, γ)8B to Solar Energies

NUCLEAR REACTIONS 7Be(p, γ), E < 3 MeV; calculated astrophysical S-factor; deduced high-energy extrapolation model dependence. Comparisons with data.

doi: 10.1103/PhysRevC.58.3711
Citations: PlumX Metrics


1997CA03      Z.Phys. A356, 399 (1997)

J.Cai, T.D.Shoppa, K.Langanke

TDHF Study of the He+ Collision on Atomic He Targets at the 8Be Ground State Energy

ATOMIC PHYSICS 4He(α, X), E(cm)=92.1 keV; calculated electron wave function, amount of charge included in sphere time evolution. Time dependent Hartree-Fock approach, 8Be resonance included.

doi: 10.1007/s002180050195
Citations: PlumX Metrics


1996LA06      Phys.Lett. 369B, 211 (1996)

K.Langanke, T.D.Shoppa, C.A.Barnes, C.Rolfs

Energy Loss, Electron Screening and the Astrophysical 3He(d, p)4He Cross Section

NUCLEAR REACTIONS, ICPND 3He(d, p), E=0-40 keV; analyzed data; deduced astrophysical S-factor vs E. Proton, deuteron beams energy loss in helium gas.

doi: 10.1016/0370-2693(96)00066-4
Citations: PlumX Metrics


1996SE09      Phys.Lett. 383B, 133 (1996)

R.Seki, T.D.Shoppa, A.Kohama, K.Yazaki

Nuclear Correlation and Finite Interaction-Range Effects in High-Energy (e, e'p) Nuclear Transparency

NUCLEAR STRUCTURE 16O, 40Ca; calculated nuclear transparency at proton momentum of 4.49 GeV/c in (e, e'p) reaction. Glauber multiple scattering, all orders included.

doi: 10.1016/0370-2693(96)00735-6
Citations: PlumX Metrics


1996SH15      Nucl.Phys. A605, 387 (1996)

T.D.Shoppa, M.Jeng, S.E.Koonin, K.Langanke, R.Seki

Electron Screening in Molecular Fusion Reactions

NUCLEAR REACTIONS, ICPND 2H(d, p), E ≤ 20 keV; 3H(d, n), E(cm) ≤ 30 keV; calculated astrophysical S-factor. Time-dependent Hartree-Fock, molecular fusion, electron screening, dynamical wave function evolution.

doi: 10.1016/0375-9474(96)00183-2
Citations: PlumX Metrics


1995CS01      Phys.Rev. C52, 1130 (1995)

A.Csoto, K.Langanke, S.E.Koonin, T.D.Shoppa

7Be(p, γ)8B Cross Section and the Properties of 7Be

NUCLEAR REACTIONS, ICPND 7Be(p, γ), E(cm) ≤ 2.5 MeV; calculated astrophysical S-factor vs E. Three-cluster resonating group model.

doi: 10.1103/PhysRevC.52.1130
Citations: PlumX Metrics


1995LA17      Phys.Rev. C52, 1709 (1995)

K.Langanke, T.D.Shoppa

Reply to ' Comment on ' E2 Contribution to the 8B → p + 7Be Coulomb Dissociation Cross Section ' '

NUCLEAR REACTIONS, ICPND 7Be(p, γ), E=low; analyzed Coulomb dissociation data analyses; deduced need for better data to determine astrophysical S-factor reliably.

doi: 10.1103/PhysRevC.52.1709
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1994LA08      Phys.Rev. C49, R1771 (1994); Erratum Phys.Rev. C51, 2844 (1995)

K.Langanke, T.D.Shoppa

E2 Contribution to the 8B → p + 7Be Coulomb Dissociation Cross Section

NUCLEAR REACTIONS 208Pb(8B, p7Be), E=46.5 MeV/nucleon; analyzed Coulomb dissociation σ; deduced E1, E2 contributions, 7Be(p, γ) astrophysical S-factor reduction at solar energies.

doi: 10.1103/PhysRevC.49.R1771
Citations: PlumX Metrics


1993SH14      Phys.Rev. C48, 837 (1993)

T.D.Shoppa, S.E.Koonin, K.Langanke, R.Seki

One- and Two-Electron Atomic Screening in Fusion Reactions

NUCLEAR REACTIONS 3He, 2H(d, d), E=low; calculated electron screening potential vs internuclear separation. Time-dependent Hartree-Fock, classical motion of nuclei.

doi: 10.1103/PhysRevC.48.837
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1992SH11      Phys.Rev. C46, 382 (1992)

T.D.Shoppa, S.E.Koonin

Determining the 12C(α, γ)16O Cross Section from Coulomb Dissociation

NUCLEAR REACTIONS Pb(16O, α12C), E=10-400 MeV/nucleon; calculated Coulomb dissociation σ(θ, Eγ); deduced multipole contributions, E2 dominance, relevance to 12C(α, γ) reaction σ.

doi: 10.1103/PhysRevC.46.382
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