Constraints on the W-R mass and CP violation in left-right models
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Constraints on the W-R mass and CP violation in left-right models

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Constraints on the W-R mass and CP violation in left-right models

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dc.contributor.author Barenboim Szuchman, Gabriela Alejandra
dc.contributor.author Bernabeu Alberola, José
dc.contributor.author Prades Hernández, Joaquim
dc.contributor.author Raidal, Martti
dc.date.accessioned 2016-05-03T10:46:17Z
dc.date.available 2016-05-03T10:46:17Z
dc.date.issued 1997
dc.identifier.uri http://hdl.handle.net/10550/53256
dc.description.abstract We update the constraints on the right-handed WR gauge boson mass, mixing angle ζ with the left-handed WL gauge boson, and other parameters in general left-right symmetric models with different mechanisms of CP violation. Constraints mostly independent of any assumption on the quark sector are obtained from a re-analysis of muon decay data. Estimates of the left-right hadronic matrix elements in the neutral kaon system and their uncertainties are revised using large Nc and Chiral Perturbation Theory arguments. With explicitly given assumptions on the long-distance (ΔS=1)2 contributions to the KL−KS mass difference, lower bounds on MWR are obtained. With the same assumptions, one also gets strong upper bounds from the CP-violating parameter ϵK, for most of the parameter space of left-right models where the right-handed third family does not contribute in CP-violating quantities.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 1997, vol. 55, num. 7, p. 4213-4221
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Barenboim Szuchman, Gabriela Alejandra; Bernabeu Alberola, José; Prades Hernández, Joaquim; Raidal, Martti (1997) Constraints on the W-R mass and CP violation in left-right models Physical Review D 55 7 4213 4221
dc.subject Física
dc.title Constraints on the W-R mass and CP violation in left-right models
dc.type info:eu-repo/semantics/article
dc.date.updated 2016-05-03T10:46:17Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.55.4213
dc.identifier.idgrec 069036

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