Proton Decay in a Nucleus Revisited : Pionic Effects : Nuclear Physics

概要

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The importance of pionic currents in the eventual proton decay in the nucleus is discussed. Processes with one pion emitted by the decaying nucleon and, subsequently, reabsorbed by some other nucleon, turns out to be little relevant, mainly due to the presence of a "hard-core" in N-N interaction. On the other hand, although the decay into two pions is considerably enhanced in the nucleus, its relative importance is still small because of the smallness of the corresponding branching-ratio in free-space decay. Finally, some general comments of interest in the problem of nucleon decay in the nucleus are presented.
理論物理学刊行会の論文
1988-11-25