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Multistep contributions to13C(π+, π°)13N within a modified eikonal formalism

Authors
Journal
Nuclear Physics A
0375-9474
Publisher
Elsevier
Publication Date
Volume
292
Issue
3
Identifiers
DOI: 10.1016/0375-9474(77)90625-x

Abstract

Abstract Analog ( π +, π 0) charge exchange on 13C in the (3, 3) resonance region is considered within a modified eikonal formalism, which makes use of traditional eikonalization only for pion-nuclear processes, but not for pion-nucleon processes. Corrections to DWIA, based on two-step processes as suggested by Eisenberg and Gal are evaluated. The calculated charge exchange total cross section is found to increase due to these corrections by 15 %, and is still well below the measured one for T π > 150 MeV.

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