Particle decay in Gaussian wave-packet formalism revisited
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DOI: 10.1093/ptep/pty127
Abstract: We derive the Fermi's golden rule in the Gaussian wave-packet formalism of quantum field theory, proposed by Ishikawa, Shimomura, and Tobita, for the particle decay within a finite time interval. We present a systematic procedure… read more here.
Keywords: particle decay; wave packet; gaussian wave; packet formalism ... See more keywords