Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-12-16
Mod.Phys.Lett. A16 (2001) 1315-1320
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, no figures, revtex
Scientific paper
10.1142/S0217732301004534
We consider the problem of propagation of an unstable particle in the
framework of Quantum Field Theory. Using unitarity, we show that a real
renormalization constant free of threshold singularities naturally arises.
Lucio J. L. M.
Pestieau Jean
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