Nuclear Science References (NSR)

NUCLEAR REACTIONS ¹H(K^-, K^-), (K^-, π⁰X), (K^-, π⁺X), (K^-, π^-X), (K^-, K⁰), E at 50-200 MeV/c; calculated total σ. Chiral perturbation theory with Λ(1405) as independent field. Comparison with data.

doi: 10.1103/PhysRevC.58.1634
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1998LO03 Nucl.Phys. A629, 457c (1998)

J.T.Londergan

Validity Flavor Symmetry and Charge Symmetry for Parton Distributions

doi: 10.1016/S0375-9474(97)00722-7
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1995LO11 Phys.Lett. 361B, 110 (1995)

J.T.Londergan, G.Q.Liu, E.N.Rodionov, A.W.Thomas

Probing the Pion Sea with π-D Drell-Yan Processes

NUCLEAR STRUCTURE ²H; analyzed π⁺, π^- Drell-Yan processes; deduced pion sea extraction possibility.

doi: 10.1016/0370-2693(95)01132-A
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1995ME04 Phys.Rev. C51, 2031 (1995)

R.Mehrem, J.T.Londergan, G.E.Walker

Isolating Physical Effects in the Exclusive (N, N'π) Reaction

NUCLEAR REACTIONS ¹⁶O(p, nπ⁺), (p, p'π⁰), (p, nπ⁰), (p, p'π^-), E ≈ 350-450 MeV; calculated σ(θ(pion), θ(nucleon), E(nucleon)) vs E; deduced physical effects isolating possible experiments. Two-nucleon model.

doi: 10.1103/PhysRevC.51.2031
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1994LO15 Phys.Lett. 340B, 115 (1994)

J.T.Londergan, G.T.Garvey, G.Q.Liu, E.N.Rodionov, A.W.Thomas

Drell-Yan Processes as a Probe of Charge Symmetry Violation in the Pion and the Nucleon

NUCLEAR STRUCTURE ^1,2H; analyzed π⁺-, π-induced reactions data; deduced pion, nucleon charge symmetry violation features. Drell-Yan processes.

doi: 10.1016/0370-2693(94)91306-4
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1993KR10 Phys.Scr. 48, 76 (1993)

B.V.Krippa, J.T.Londergan

Inclusive and Exclusive Production of (Eta) Mesons Near Threshold

NUCLEAR REACTIONS ¹³C(π⁺, X), E at 620-680 MeV/c; calculated eta-production σ(θ), σ. Momentum space DWIA model.

doi: 10.1088/0031-8949/48/1/011
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1993KR17 Phys.Rev. C48, 2967 (1993)

B.V.Krippa, J.T.Londergan

Inclusive and Exclusive Production of (Eta) Mesons by Pions

NUCLEAR REACTIONS ¹²C(π⁺, X), E at 620, 680 MeV/c; ¹³C(π⁺, X), E at 650, 680 MeV/c; calculated inclusive, exclusive σ(θ, E(eta)). ¹²C(π⁺, π⁺), E at 800 MeV/c; calculated σ(θ). Momentum space DWIA.

doi: 10.1103/PhysRevC.48.2967
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1993ME08 Phys.Rev. C48, 1192 (1993)

R.Mehrem, J.T.Londergan, G.E.Walker

Distorted-Wave Calculation of the (p, p'π⁺) Reaction

NUCLEAR REACTIONS ¹⁶O(p, p'π⁺), E(cm)=450, 800 MeV; calculated σ(θ(π), θ(p'), E'). Two-nucleon model.

doi: 10.1103/PhysRevC.48.1192
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1992KR10 Phys.Lett. 286B, 216 (1992)

B.V.Krippa, J.T.Londergan

Inclusive (π, Eta) Reactions on Nuclei

NUCLEAR REACTIONS ¹²C(π⁺, X), E at 680 MeV/c; calculated inclusive eta production σ(θ, E). Momentum space DWIA, quasifree single-nucleon knockout, mediation by nucleon resonance.

doi: 10.1016/0370-2693(92)91764-Z
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1987LO04 Phys.Rev. C35, 902 (1987)

J.T.Londergan, C.E.Price, E.J.Stephenson

Stability of Angular Extrapolation Methods for Determining the Deuteron Asymptotic D-State to S-State Ratio

NUCLEAR REACTIONS ¹H(d, d), (polarized d, d), E=5-56 MeV; analyzed confromally mapped, extrapolation functions, deuteron D- to S-state ratios, tensor polarized σ; deduced angular extrapolation method stability.

doi: 10.1103/PhysRevC.35.902
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1983HW01 Ann.Phys.(New York) 149, 335 (1983)

W.-Y.P.Hwang, J.T.Londergan, G.E.Walker

Deuteron Photodisintegration. I. Theory and Results at Low Energies

NUCLEAR REACTIONS ²H(γ, p), E=20-140 MeV; calculated photodisintegration σ(θ). Elementary particle treatment.

doi: 10.1016/0003-4916(83)90201-4
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1983LO03 Phys.Lett. 120B, 270 (1983)

J.T.Londergan, C.E.Price, E.J.Stephenson

The Precision of Angular Extrapolation for Determining the Deuteron Asymptotic D- to S- State Ratio

NUCLEAR REACTIONS ¹H(polarized d, d), E ≈ 3-45.3 MeV; analyzed data. ²H deduced asymptotic D- to S- state ratio. Angular extrapolation technique.

doi: 10.1016/0370-2693(83)90442-2
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1983LO15 Nuovo Cim. 76A, 172 (1983)

J.T.Londergan, L.D.Ludeking

Proton Radiative Capture: Giant dipole resonances built on excited states

NUCLEAR REACTIONS ¹¹B(p, γ), E=4-20 MeV; analyzed σ(θ). Direct-semidirect GDR theory.

doi: 10.1007/BF02833716
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1982LO08 Phys.Rev. C25, 1722 (1982)

J.T.Londergan, L.D.Ludeking

Direct-Reaction Model for (p, γ) Reactions to Highly Excited States in ¹²C

NUCLEAR REACTIONS ¹¹B(p, γ), E=10-60 MeV; calculated σ(θ) vs E. ¹²C(γ, p), E=60, 80 MeV; ¹²C(γ, n), E=63, 79 MeV; calculated σ(θ). Direct reaction model.

doi: 10.1103/PhysRevC.25.1722
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1979LO03 Phys.Rev. C19, 998 (1979)

J.T.Londergan, G.D.Nixon

Isobars and the Medium-Energy (γ, p) Reaction

NUCLEAR REACTIONS ¹⁶O(γ, p), E=50-350 MeV; calculated σ(θ, Eγ), isobar contribution to direct knockout process. PWIA, DWIA analysis.

doi: 10.1103/PhysRevC.19.998
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1979TS02 Phys.Rev.Lett. 43, 576 (1979)

S.-F.Tsai, J.T.Londergan

Direct-Reaction Calculation of Intermediate-Energy Proton Radiative Capture on ¹¹B

NUCLEAR REACTIONS ¹¹B(p, γ), E=40, 60, 80 MeV; calculated σ(E, Eγ). Direct capture mechanism. RPA description of excited states of ¹²C.

doi: 10.1103/PhysRevLett.43.576
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1973LO02 Nucl.Phys. A201, 390 (1973)

J.T.Londergan, K.W.McVoy

A Test for Single-Pole Dominance in Heavy-Ion Scattering

doi: 10.1016/0375-9474(73)90073-0
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1972LO11 Phys.Rev.Lett. 28, 1729 (1972)

J.T.Londergan, C.M.Shakin

Charge-Dependent Effects in the Photodisintegration of ⁴He

NUCLEAR REACTIONS ⁴He(γ, n), (γ, p), E < 34 MeV; calculated σ(E); analyzed charge-dependent effects.

doi: 10.1103/PhysRevLett.28.1729
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1972LO14 Phys.Rev. C6, 76 (1972)

J.T.Londergan, R.H.Dalitz

Spin-Orbit Coupling for LAMBDA-⁴He Scattering Using a One-Boson-Exchange Model for the LAMBDAN Interaction. II

doi: 10.1103/PhysRevC.6.76
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