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NSR database version of April 27, 2024.

Search: Author = M.Effenberger

Found 20 matches.

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2002LA32      Phys.Rev. C 66, 054604 (2002)

A.B.Larionov, M.Effenberger, S.Leupold, U.Mosel

Resonance lifetime in Boltzmann-Uehling-Uhlenbeck theory: Observable consequences

NUCLEAR REACTIONS C, Fe(π+, X), E ≈ 70-320 MeV; calculated absorption σ, dependence on resonance lifetime. 197Au(197Au, X), E=1 GeV/nucleon; calculated pion transverse momentum, invariant mass spectra, dependence on resonance lifetime. Transport model, comparisons with data.

doi: 10.1103/PhysRevC.66.054604
Citations: PlumX Metrics

2001BR04      Nucl.Phys. A681, 84c (2001)

E.L.Bratkovskaya, W.Cassing, C.Greiner, M.Effenberger, U.Mosel, A.Sibirtsev

Thermal and Chemical Equilibration of Hadronic Matter

doi: 10.1016/S0375-9474(00)00486-3
Citations: PlumX Metrics

2000BR37      Nucl.Phys. A675, 661 (2000)

E.L.Bratkovskaya, W.Cassing, C.Greiner, M.Effenberger, U.Mosel, A.Sibirtsev

Aspects of Thermal and Chemical Equilibration of Hadronic Matter

NUCLEAR REACTIONS 12C(12C, X), 197Au(197Au, X), 208Pb(208Pb, X), E=1-160 GeV/nucleon; calculated time evolution of particle abundances, temperature vs radial-flow velocity plots, transverse mass spectra. BUU calculations.

doi: 10.1016/S0375-9474(00)00180-9
Citations: PlumX Metrics

2000EF04      Phys.Rev. C62, 014605 (2000)

M.Effenberger, U.Mosel

Photoproduction of Mesons in Nuclei at GeV Energies

NUCLEAR REACTIONS 12C, 208Pb(γ, X), E=1-7 GeV; calculated η, pion, kaon production σ, σ(E), invariant mass spectra; deduced nuclear shadowing, final state interaction effects. Transport model.

doi: 10.1103/PhysRevC.62.014605
Citations: PlumX Metrics

2000LA20      Eur.Phys.J. A 7, 507 (2000)

A.B.Larionov, W.Cassing, M.Effenberger, U.Mosel

(p, π±) Correlations in Central Heavy-Ion Collisions at 1 - 2 AGeV

NUCLEAR REACTIONS 197Au(197Au, X), E=1.06 GeV/nucleon; Ni(Ni, X), E=1.06, 1.93 GeV/nucleon; Cu(Ni, X), E=1.97 GeV/nucleon; analyzed proton-pion invariant mass spectra, correlations. Transport model.

doi: 10.1007/s100500050424
Citations: PlumX Metrics

2000LE18      Nucl.Phys. A671, 503 (2000)

J.Lehr, M.Effenberger, U.Mosel

Electron and Photon Induced Reactions on Nuclei in the Nucleon Resonance Region

NUCLEAR REACTIONS 1H(γ, π0), (γ, π+), (γ, X), E(cm)=1-2 GeV; analyzed σ(Q2); deduced parameters. 12C, 40Ca, 56Fe, 208Pb(e, e'X), E ≈ 0.6 GeV; 12C(e, e'X), E=0.96-1.5 GeV; calculated σ(E, θ); deduced resonance effects. 40Ca(γ, X), (γ, π0X), (γ, 2π0X), (γ, π+π-X), E=high; calculated σ(Q2), meson production features; deduced resonance effects. Comparisons with data.

doi: 10.1016/S0375-9474(99)00845-3
Citations: PlumX Metrics

2000LE24      Phys.Lett. 483B, 324 (2000)

J.Lehr, M.Effenberger, H.Lenske, S.Leupold, U.Mosel

Transport Theoretical Approach to the Nucleon Spectral Function in Nuclear Matter

doi: 10.1016/S0370-2693(00)00590-6
Citations: PlumX Metrics

2000SC03      Nucl.Phys. A669, 153 (2000)

J.Schaffner-Bielich, V.Koch, M.Effenberger

Medium Modified Cross Sections, Temperature and Finite Momentum Effects for Antikaon Production in Heavy-Ion Collisions

NUCLEAR REACTIONS 1H(p, K+X), (p, K0X), E=high; analyzed kaon production σ. Ni(Ni, X), E=1.8 GeV/nucleon; calculated kaon production σ; deduced in-medium effects.

doi: 10.1016/S0375-9474(99)00690-9
Citations: PlumX Metrics

1999BR25      Nucl.Phys. A653, 301 (1999)

E.L.Bratkovskaya, W.Cassing, M.Effenberger, U.Mosel

e+e- Production from pp Reactions at BEVALAC Energies

NUCLEAR REACTIONS 1H(p, X), E=1.04-4.9 GeV; calculated dilepton invariant mass spectra, rapidity spectra, excitation function; deduced ρ meson production features. Comparison with data.

doi: 10.1016/S0375-9474(99)00300-0
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1999EF03      Phys.Rev. C60, 027601 (1999)

M.Effenberger, E.L.Bratkovskaya, W.Cassing, U.Mosel

e+e- Pairs from π-A Reactions Reexamined

NUCLEAR REACTIONS 1n, 1H, 12C, 208Pb(π-, X), E=1.3 GeV; calculated dilepton invariant mass spectra; deduced π meson production role. Semiclassical transport model.

doi: 10.1103/PhysRevC.60.027601
Citations: PlumX Metrics

1999EF06      Phys.Rev. C60, 044614 (1999)

M.Effenberger, E.L.Bratkovskaya, U.Mosel

e+e- Pair Production from γA Reactions

NUCLEAR REACTIONS 12C, 40Ca, 208Pb(γ, ee+X), E=0.8, 1.5, 2.2 GeV; calculated dilepton invariant mass spectra; deduced contributions, in-medium effects. Semiclassical transport model.

doi: 10.1103/PhysRevC.60.044614
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1999EF07      Phys.Rev. C60, 051901 (1999)

M.Effenberger, U.Mosel

Off-Shell Effects on Particle Production

NUCLEAR REACTIONS 197Au(197Au, X), E=1 GeV/nucleon; calculated pion, kaon spectra; deduced effects from off-shell nucleon propagation. Semiclassical transport model.

doi: 10.1103/PhysRevC.60.051901
Citations: PlumX Metrics

1998EF03      Nucl.Phys. A632, 99 (1998)

M.Effenberger, A.Sibirtsev

The Energy Dependence of the In-Medium ηN Cross Section Evaluated from η-Photoproduction

NUCLEAR REACTIONS 40Ca(γ, X), E=780 MeV; analyzed η production data; deduced ηN interaction features. Other reactions discussed.

doi: 10.1016/S0375-9474(97)00802-6
Citations: PlumX Metrics

1998EF09      Acta Phys.Pol. B29, 3297 (1998)

M.Effenberger, U.Mosel

Photoproduction of Mesons in Nuclei

NUCLEAR REACTIONS 12C, 40Ca, 208Pb(γ, X), E=600-800 MeV; calculated η meson photoproduction σ. 208Pb(γ, π0X), E=0.3-0.8 GeV; calculated pion photoproduction σ. BUU transport model. Comparison with data.

1998KO30      Phys.Rev. C58, 1078 (1998)

L.A.Kondratyuk, A.Sibirtsev, W.Cassing, Ye.S.Golubeva, M.Effenberger

ρ-Meson Properties at Finite Nuclear Density

doi: 10.1103/PhysRevC.58.1078
Citations: PlumX Metrics

1998SA68      Nucl.Phys. A640, 493 (1998)

P.K.Sahu, A.Hombach, W.Cassing, M.Effenberger, U.Mosel

Baryon Flow at SIS Energies and Beyond

NUCLEAR REACTIONS Ni(Ni, X), 197Au(197Au, X), E=high; calculated baryon flow; deduced nuclear equation of state features. Relativistic transport approach. Comparison with data.

doi: 10.1016/S0375-9474(98)00464-3
Citations: PlumX Metrics

1997EF02      Nucl.Phys. A613, 353 (1997)

M.Effenberger, A.Hombach, S.Teis, U.Mosel

Photoabsorption on Nuclei

NUCLEAR REACTIONS 1n, 1H(p, pπ0), 1n(p, pπ-), 1H(p, nπ+), E=high; calculated resonance, background contributions to one-pion production. 1n, 1H, 40Ca(γ, X), E=0.2-1.4 GeV; calculated total photoabsorption σ(E). Semi-classical phase space model.

doi: 10.1016/S0375-9474(96)00408-3
Citations: PlumX Metrics

1997EF03      Nucl.Phys. A614, 501 (1997)

M.Effenberger, A.Hombach, S.Teis, U.Mosel

Photoproduction of Pions and Etas in Nuclei

NUCLEAR REACTIONS 1H(γ, π+), (γ, π0), 1n(γ, π-), (γ, π0), 1H(γ, X), E=high; 40Ca(γ, X), E=634-705 MeV; calculated pion, multi-pion, eta production σ vs E. 12C, 40Ca, 208Pb(γ, X), E=300, 750 MeV; calculated photon-nucleon reaction time evolution. 40Ca, 208Pb, 12C(γ, X), E ≈ 300-800 MeV; calculated σ, σ(θ) vs E. Semi-classical BUU transport model.

doi: 10.1016/S0375-9474(96)00465-4
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1997TE02      Z.Phys. A356, 421 (1997)

S.Teis, W.Cassing, M.Effenberger, A.Hombach, U.Mosel, Gy.Wolf

Pion-Production in Heavy-Ion Collisions at SIS Energies

NUCLEAR REACTIONS K, Cl(Ar, X), E=1.8 GeV/nucleon; 197Au(197Au, X), E=1 GeV/nucleon; 139La(139La, X), E=1.35 GeV/nucleon; analyzed pion multiplicity, other data. Coupled-channel-BUU approach.

doi: 10.1007/s002180050198
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1997TE13      Z.Phys. A359, 297 (1997)

S.Teis, W.Cassing, M.Effenberger, A.Hombach, U.Mosel, Gy.Wolf

Probing Nuclear Expansion Dynamics with π-/π+-Spectra

NUCLEAR REACTIONS 197Au(197Au, X), E=1 GeV/nucleon; calculated pion spectra, multiplicity distributions, π-/π+ ratio, other aspects; Ni(Ni, X), E=2 GeV/nucleon; calculated π-/π+ ratio; deduced freeze-out, impact parameter effects, expansion dynamics features. Coupled-channel transport model.

doi: 10.1007/s002180050405
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