Abstract:The spectra of charged particles emitted following the absorption of negative pions at rest in 4~ are calculated. The pion is assumed to be absorbed on a cluster of two or more nucleons resulting in the emission of a primary particle while the remainder of the cluster equilibrates in the nucleus due to further interactions resulting in the emission of secondary particles. The latter process is described by the exciton model valid at the excitation energies encountered for the present case. The proton spectrum … Show more
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