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Use and misuse of the Breit-Wigner formula

✍ Scribed by Z. Y. Fang; G. Lopez Castro; J. Pestieau


Book ID
112897310
Publisher
Springer-Verlag
Year
1988
Weight
372 KB
Volume
100
Category
Article
ISSN
0369-3546

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Generalization of the Breit-Wigner Formu
✍ H.A. Weldon πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 266 KB

A formula is derived for the production rate of unstable particles that are produced in a thermalized region but whose decay products interact so weakly that they escape without thermalizing. The Bose-Einstein or Fermi-Dirac distribution is found to apply to unstable particles but modified by a Brei