Resonance propagation and threshold singularities

Lucio M., J.L.;Pestieau, Jean
(2001) Modern Physics Letters A — Vol. 16, n° 20, p. 1315-1320 (2001)

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Authors
  • Lucio M., J.L.
    Author
  • Pestieau, JeanUCLouvain
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Abstract
(en) 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. Comment: 5 pages, no figures, revtex
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Lucio M., J. L., & Pestieau, J. (2001). Resonance propagation and threshold singularities. Modern Physics Letters A, 16(20), 1315-1320. https://doi.org/10.1142/S0217732301004534 (Original work published 2001)