Finite temperature effects on CP-violating asymmetries
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Finite temperature effects on CP-violating asymmetries

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Finite temperature effects on CP-violating asymmetries

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dc.contributor.author Covi, Laura
dc.contributor.author Rius Dionis, Nuria
dc.contributor.author Roulet, Esteban
dc.contributor.author Vissani, Francesco
dc.date.accessioned 2015-03-03T12:27:57Z
dc.date.available 2015-03-03T12:27:57Z
dc.date.issued 1998
dc.identifier.uri http://hdl.handle.net/10550/42594
dc.description.abstract We compute the CP-violating decay asymmetries relevant for baryogenesis scenarios involving the out of equilibrium decays of heavy particles, including the finite temperature effects arising from the background of light thermal particles which are present during the decay epoch. Thermal effects can modify the size of CP violation by a sizeable fraction in the decay of scalar particles, but we find interesting cancellations in the thermal corrections affecting the asymmetries in the decays of fermions, as well as in the decay of scalars in supersymmetric theories. We also estimate the effects which arise from the motion of the decaying particles with respect to the background plasma
dc.language.iso eng
dc.relation.ispartof Physical Review D, 1998, vol. 57, num. 1, p. 93-99
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Covi, Laura Rius Dionis, Nuria Roulet, Esteban Vissani, Francesco 1998 Finite temperature effects on CP-violating asymmetries Physical Review D 57 1 93 99
dc.subject Física
dc.title Finite temperature effects on CP-violating asymmetries
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-03-03T12:27:57Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.57.93
dc.identifier.idgrec 100450

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