Pion double charge exchange on 4He

Abstract

The doubly differential cross sections for the ${}^4$He$({\pi }^{+},{\pi }^{-})4p$ reaction were calculated using both a two-nucleon sequential single charge exchange model and an intranuclear cascade code. Final state interactions between the two final protons which were the initial neutrons were included in both methods. At incident pion energies of 240 and 270 MeV the low-energy peak observed experimentally in the energy spectrum of the final pions can be understood only if the contribution of pion production is included. The calculated cross sections are compared with data.

25 pages, 9 figures

Cited by in corpus (6)

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• Inclusive Pion Double Charge Exchange in 4He at Intermediate Energies
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