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NSR database version of April 27, 2024.

Search: Author = B.Korfgen

Found 7 matches.

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1998KR13      Phys.Lett. 432B, 45 (1998)

A.Kraus, O.Selke, F.Wissmann, J.Ahrens, H.-J.Arends, R.Beck, G.Galler, M.-Th.Hutt, B.Korfgen, J.Peise, M.Schumacher, F.Smend, R.Wichmann

Angular and Polarization Dependence of Compton Scattering from ⁴He in the Δ-Resonance Region

NUCLEAR REACTIONS ⁴He(polarized γ, γ'), E=150-500 MeV; measured σ(Eγ, θ), asymmetry; deduced Δ-hole model failure at large scattering angles. Polarized tagged photons.

doi: 10.1016/S0370-2693(98)00635-2
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1997KO08      Phys.Rev. C55, 1819 (1997)

B.Korfgen, P.Oltmanns, F.Osterfeld, T.Udagawa

Damping Mechanisms of the Δ Resonance in Nuclei

NUCLEAR REACTIONS ¹²C(π⁺, π⁺p), E=245 MeV; analyzed σ(Ep, θp, θ(π)). ¹²C(π⁺, 2p), E=165 MeV; analyzed σ(θ(p₁), θ(p₂)), σ(θ(p₁), θ(p₂), E₁). ¹²C(³He, tpπ⁺), (³He, t2p), E=2 GeV; analyzed σ(θ) vs ω; deduced Δ(1232) resonance damping mechanisms related features. Δ-hole model.

doi: 10.1103/PhysRevC.55.1819
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1996OS02      Nucl.Phys. A599, 129c (1996)

F.Osterfeld, B.Korfgen

Nucleon Resonances in the Medium

NUCLEAR REACTIONS ¹²C(p, n), E=800 MeV; compiled, reviewed data, analyses. ¹²C(³He, tπ⁺), E=2 GeV; ¹²C(π^-, π^-), E=120 MeV; ¹²C(γ, π⁰), E not given; analyzed σ(θ), other data; deduced medium role on Δ dynamics.

doi: 10.1016/0375-9474(96)00055-3
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1994KO23      Phys.Rev. C50, 1637 (1994)

B.Korfgen, F.Osterfeld, T.Udagawa

Longitudinal and Transverse Spin Response of ¹²C in the Δ Resonance Region

NUCLEAR REACTIONS ¹²C(π^-, π^-), E=120-280 MeV; ¹²C(γ, π⁰), E at ≈ 175-450 MeV/c; calculated σ(θ), σ(E). ¹²C(³He, tπ⁺), E=2 GeV; calculated σ(θ). Isobar-hole model.

doi: 10.1103/PhysRevC.50.1637
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1994OS02      Nucl.Phys. A577, 237c (1994)

F.Osterfeld, B.Korfgen, P.Oltmanns, T.Udagawa

Δ Excitations in Nuclei and Their Decay Properties

NUCLEAR REACTIONS ¹²C(³He, t), (³He, 2pt), E=2 GeV; analyzed σ(θ) vs energy transfer. ¹²C(³He, tπ⁺), E=2 GeV; ¹²C(π^-, π^-), E=120 MeV; ¹²C(γ, π⁰), E at 235 MeV/c; analyzed σ(θ(π)). Isobar-hole model.

doi: 10.1016/0375-9474(94)90862-1
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1993OL06      Acta Phys.Pol. B24, 1609 (1993)

P.Oltmanns, B.Korfgen, F.Osterfeld, T.Udagawa

Coherent Pion Production in the Delta Resonance Region

NUCLEAR REACTIONS ¹²C(³He, tX), E=2 GeV; ¹²C(γ, π⁰), E=235, 291 MeV; compiled, reviewed data, model analyses; deduced coherent pion production features.

1993OS02      Phys.Scr. 48, 95 (1993)

F.Osterfeld, B.Korfgen, P.Oltmanns, T.Udagawa

Δ Excitations in Nuclei and the Coherent Pion Decay

NUCLEAR REACTIONS ¹²C(γ, X), (π, X), E=200-400 MeV; calculated total σ(E). ¹H(polarized p, X), E=800 MeV; calculated spin transfer coefficients vs energy transfer for neutron. ¹²C(polarized p, n), E=800, 822 MeV; calculated σ(θ), spin transfer coefficient vs energy transfer. Isobar-hole model.

doi: 10.1088/0031-8949/48/1/016
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