Medium effects in (π,πγ) angular correlations on C12(2+)

R. Olszewski, R. Baran, A. Hofmann, S. Krell, H. W. Ortner, J. Orzechowsky, G. Schmidtlein, F. Vogler, W. List, G. R. Smith, D. Dehnhard, and M. Thies
Phys. Rev. C 37, 2665 – Published 1 June 1988
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Abstract

Pion-γ angular correlations have been measured both in and out of the reaction plane for the reaction C12(π,π)12C*(2+, 4.44 MeV), 12C*12C(g.s.)+γ. Data are presented at a pion momentum transfer of q=0.47 fm1 for incident pion energies of 116, 140, 162, 180, and 226 MeV and at q=0.85 fm1 for energies of 116, 162, and 226 MeV. A detailed description of the experimental setup together with the applied test procedures and of the data analysis is given. The data are compared to predictions of the Δ-hole model and its static limit.

  • Received 13 October 1987

DOI:https://doi.org/10.1103/PhysRevC.37.2665

©1988 American Physical Society

Authors & Affiliations

R. Olszewski, R. Baran, A. Hofmann, S. Krell, H. W. Ortner, J. Orzechowsky, G. Schmidtlein, and F. Vogler

  • Physikalisches Institut der Universität Erlangen-Nürnberg, D-8520 Erlangen, Federal Republic of Germany

W. List and G. R. Smith

  • Kernforschungszentrum, Institut für Kernphysik und Institut für Experimentelle Kernphysik der Universität Karlsruhe, D-7500 Karlsruhe, Federal Republic of Germany

D. Dehnhard

  • University of Minnesota, Minneapolis, Minnesota 55455

M. Thies

  • Natuurkundig Laboratorium der Vrije Universiteit, 1007 MC Amsterdam, The Netherlands

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Vol. 37, Iss. 6 — June 1988

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