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NSR database version of May 20, 2024.

Search: Author = H.W.Ortner

Found 8 matches.

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1993MU13      Phys.Rev. C48, 981 (1993)

R.Muller, R.Baran, U.Bohnert, P.Helbig, G.Herrmann, A.Hofmann, O.Jakel, H.Kruger, D.Malz, W.Menzel, H.-W.Ortner, L.Schweinzer, S.Wirth

ππ-Angular Correlations for π-p → π+π-n in the Region of the Δ Dominance

NUCLEAR REACTIONS 1H(π-, π+π-), E=284 MeV; measured σ(θ(π+), θ(π-)) vs E(π+), invariant mass distribution; deduced reaction mechanism. Weinberg's Lagrangian based models, relativistic corrections, contribution of nonlinear terms.

doi: 10.1103/PhysRevC.48.981
Citations: PlumX Metrics

1993OR01      Phys.Rev. C47, R447 (1993)

H.-W.Ortner, U.Bohnert, D.Malz, R.Muller, M.Dillig, O.Jakel

Extraction of Total Cross Section Data for the π-p → π+π-n Reaction

NUCLEAR REACTIONS 1H(π-, π-π+), E=284 MeV; analyzed data; deduced independent phase space variables distribution assumptions validity features.

doi: 10.1103/PhysRevC.47.R447
Citations: PlumX Metrics

1990JA08      Nucl.Phys. A511, 733 (1990)

O.Jakel, H.-W.Ortner, M.Dillig, C.A.Z.Vasconcellos

Chiral Symmetry and the Near Threshold Pion-Induced 2π Production on the Nucleon (I). General Formalism

NUCLEAR REACTIONS 1H(π-, π-π+), E ≈ 200-400 MeV; calculated σ(E), σ(θ(π), E(π)). Chiral symmetry, diagrammatical approach.

doi: 10.1016/0375-9474(90)90120-B
Citations: PlumX Metrics

1990OR03      Phys.Rev.Lett. 64, 2759 (1990)

H.-W.Ortner, R.Baran, U.Bohnert, M.Dillig, G.Herrmann, A.Hofmann, P.Helbig, O.Jakel, W.Kluge, H.Kruger, D.Malz, H.Matthay, R.Muller, W.Menzel, L.Schweinzer, S.Wirth

Kinematically Complete Measurement of the Reaction π-p → π+π-n in the Region of Δ Dominance as a Test of Chiral Lagrangians

NUCLEAR REACTIONS 1H(π-, π-π+), E=247-330 MeV; measured π+π-(θ); deduced σ(θ(π+), σ(π-)) vs π+ momentum. Kinematically complete experiment.

doi: 10.1103/PhysRevLett.64.2759
Citations: PlumX Metrics

1988BA27      Phys.Rev. C37, 2892 (1988)

R.Baran, J.Gotz, A.Hofmann, D.Malz, R.Muller, R.Olszewski, H.W.Ortner, D.Dehnhard

Excitation Function of the 15.11 MeV (1+, T=1) State in 12C from (π, π'γ) Angular Correlations

NUCLEAR REACTIONS 12C(π, π'γ), E=116, 140, 162, 180, 226 MeV; measured σ(E(π)), πγ-coin. 12C levels deduced relative σ(ratio) vs E.

doi: 10.1103/PhysRevC.37.2892
Citations: PlumX Metrics

1988OL02      Phys.Rev. C37, 2665 (1988)

R.Olszewski, R.Baran, A.Hofmann, S.Krell, H.W.Ortner, J.Orzechowsky, G.Schmidtlein, F.Vogler, W.List, G.R.Smith, D.Dehnhard, M.Thies

Medium Effects in (π, π'γ) Angular Correlations on 12C(2+)

NUCLEAR REACTIONS 12C(π, π'γ), E=116, 140, 162, 180, 226 MeV; measured π(γ)-coin, πγ(θ). Isobar-hole model.

doi: 10.1103/PhysRevC.37.2665
Citations: PlumX Metrics

1987KR06      Nucl.Instrum.Methods Phys.Res. A255, 531 (1987)

S.Krell, A.Hofmann, R.Olszewski, H.W.Ortner, F.Vogler

Determination of the Efficiency of Gamma Detectors from Particle-Gamma Angular Correlations

NUCLEAR REACTIONS 12C(α, α'γ), E=11 MeV; measured αγ(θ, φ); deduced detector efficiency.

doi: 10.1016/0168-9002(87)91223-X
Citations: PlumX Metrics

1986OL07      Phys.Rev.Lett. 57, 2143 (1986)

R.Olszewski, R.Baran, A.Hofmann, S.Krell, H.W.Ortner, J.Orzechowski, G.Schmidtlein, F.Vogler, G.R.Smith, W.List, D.Dehnhard, M.Thies

Test of the Δ-Hole Model through the Energy Dependence of (π, π'γ) Angular Correlations on 12C

NUCLEAR REACTIONS 12C(π, π'γ), E=116, 140, 162, 180, 226 MeV; measured πγ(θ), πγ(φ); deduced isobar-nucleus dynamics role. NaI detectors. Isobar-hole model.

doi: 10.1103/PhysRevLett.57.2143
Citations: PlumX Metrics

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