P{cyrillic}o{cyrillic}l{cyrillic}yu{cyrillic}s{cyrillic}n{cyrillic}a{cyrillic}ya{cyrillic} m{cyrillic}o{cyrillic}d{cyrillic}ye{cyrillic}l{cyrillic}{cyrillic small soft sign} d{cyrillic}l{cyrillic}ya{cyrillic} r{cyrillic}a{cyrillic}s{cyrillic}p{cyrillic}a{cyrillic}d{cyrillic}a{cyrillic} K 2 0 → 2γ

Abstract

The decay K 2 0 → 2γ is studied in the framework of a pole model. In addition to the usual treatment which considers only intermediate pseudoscalar particles, we also discuss models with vectors and axial particles as poles. © 1968 Società Italiana di Fisica.