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PION SINGLE CHARGE EXCHANGE ON LI-7 AT LOW-ENERGIES

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DOI: 10.1103/PhysRevC.31.1464
OAI: oai:inspirehep.net:218900
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INSPIRE-HEP
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Abstract

Forward-angle differential cross sections for the isobaric-analog-state transition, 7Li(π+,π0)7Be, were measured at 33.5, 41.1, 48.7, and 58.8 MeV. A minimum in the excitation function of Li7 at 42.3±1 MeV reflects the analogous minimum in the free πN cross section, which, according to current phase-shift analyses, is between 45 and 50 MeV. The data are compared with optical-model calculations.

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