Resonance Propagation and Threshold Singularities

Details Resonance Propagation and Threshold Singularities Resonance Propagation and Threshold Singularities

2000-12-16

arxiv.org/abs/hep-ph/0012207v1

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.

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