Tails of Instability and Decay: a Hydrodynamic Perspective

Tails of Instability and Decay: a Hydrodynamic Perspective

In the context of quantum field theory (QFT), unstable particles are associated with complex-valued poles of two-body scattering matrices in the unphysical sheet of rapidity space. The Breit-Wigner formula relates this pole to the mass and life-time of the particle, observed in scattering events....

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Bibliographic Details
Main Author:	Olalla A. Castro-Alvaredo, Cecilia De Fazio, Benjamin Doyon, Aleksandra A. Ziółkowska
Format:	Article
Language:	English
Published:	SciPost 2022-03-01
Series:	SciPost Physics
Online Access:	https://scipost.org/SciPostPhys.12.3.115

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