Neutral meson mixing induced by box diagrams in the 3-3-1 model with heavy leptons
نویسندگان
چکیده
منابع مشابه
Mixing of Charge − 1 / 3 Quarks and Charged Leptons with Exotic Fermions In
A way is suggested to understand why the average masses of (d, s, b) quarks are smaller than those of (u, c, t) quarks. In contrast to previously proposed mechanisms relying on different Higgs boson vacuum expectation values or different Yukawa couplings, the mass difference is explained as a consequence of mixing of (d, s, b) with exotic quarks implied by the electroweak-strong unification gro...
متن کاملMixing of Charge −1/3 Quarks and Charged Leptons with Exotic Fermions in E6
A way is suggested to understand why the average masses of (d, s, b) quarks are smaller than those of (u, c, t) quarks. In contrast to previously proposed mechanisms relying on different Higgs boson vacuum expectation values or different Yukawa couplings, the mass difference is explained as a consequence of mixing of (d, s, b) with exotic quarks implied by the electroweak-strong unification gro...
متن کاملOn Neutrino Production of Heavy Neutral Leptons*
Production of heavy neutral leptons by p -.type neutrinos is inves tigated in the framework of a strangeness-conserving neutral current model, ati the analysis is applied to the Ramm effect. The failure to observe such heavy leptons in the K-meson decay spectrum is easily understood, but the large charged current coupling strength required in the heavy lepton decay (well above the universal val...
متن کاملNeutral Heavy Leptons and Electroweak Baryogenesis
We investigate the possibility that baryogenesis occurs during the weak phase transition in a minimal extension of the Standard Model which contains extra neutral leptons and conserves total lepton number. The necessary CP-violating phases appear in the leptonic Yukawa couplings. We compute the CP-asymmetries in both the neutral and the charged lepton fluxes reflected in the unbroken phase. Usi...
متن کاملA Search for Neutral Heavy Leptons
In e+eannihilations at SPEAR we have searched for narrow neutral resonances in the eT and ~.ln channels for masses between .5 GeV/c 2 and 1.5 GeV/c2. No evidence for such states has been found. Under standard theoretical assumptions for production cross sections and decay branching ratios of heavy leptons a lower limit of 1.2 GeV/c 2 can be set on the mass. *FJork supported by the Energy Resear...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review D
سال: 2015
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.92.113006