publication . Article . 2001

Charged lepton flavor violation from massive neutrinos in Z decays

J. I. Illana; T. Riemann;
Open Access English
  • Published: 06 Feb 2001
  • Publisher: Inst.
  • Country: Germany
Present evidences for neutrino masses and lepton flavour mixings allow to predict, in the Standard Model with light neutrinos, branching rates for the decays Z --> e mu, mu tau, e tau of less than 10^{-54}, while present experimental exclusion limits from LEP 1 are of order 10^{-5}. The GigaZ option of the TESLA Linear Collider project will extend the sensitivity down to about 10^{-8}. We study in a systematic way some minimal extensions of the Standard Model and show that GigaZ might well be sensitive to the rates predicted from these scenarios.
arXiv: High Energy Physics::ExperimentHigh Energy Physics::Phenomenology
free text keywords: leptonic decay [Z0], decay modes [Z0], branching ratio [Z0], upper limit, violation [flavor], electroweak interaction, massive [neutrino], mixing angle [neutrino], oscillation [neutrino], Dirac [neutrino], Majorana [neutrino], right-handed [neutrino], singlet [neutrino], linear collider [electron positron], numerical calculations, bibliography, ddc:530, Particle physics, Nuclear physics, Physics, Standard Model, Neutrino oscillation, Flavour, Collider, law.invention, law, Lepton, Neutrino
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