Flavor-changing top quark decays in R-parity-violating supersymmetric models
نویسندگان
چکیده
The flavor changing top quark decays t → cV (V = Z, γ, g) induced by R-parity-violating couplings in the minimal supersymmetric standard model (MSSM) are evaluated. We find that the decays t → cV can be significantly enhanced relative to those in the R-parity conserving SUSY model. Our results show that the top quark FCNC decay can be as large as Br(t → cg) ∼ 10−3, Br(t → cZ) ∼ 10−4 and Br(t → cγ) ∼ 10−5, which may be observable at the upgraded Tevatron and/or the LHC. 14.65.Ha, 14.80.Ly Typeset using REVTEX Address after March of 2000: Institute of Theoretical Physics, Academia Sinica, Beijing, China
منابع مشابه
Flavor-changing top quark decays in R-parity-violating SUSY
The flavor changing top quark decays t → cV (V = Z, γ, g) induced by R-parity-violating couplings in the minimal supersymmetric model are evaluated. We find that Br(t → cV ) can be enhanced significantly relative to that in the SUSY model with R-parity. Our results show that Br(t → cg) ∼ 10, Br(t → cZ) ∼ 10 and Br(t → cγ) ∼ 10, which are observable at the upgraded Tevatron and the LHC. PACS: 14...
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The flavor changing top quark decays t → cV (V = Z, γ, g) induced by R-parity-violating couplings in the minimal supersymmetric standard model (MSSM) are evaluated. We find that the decays t → cV can be significantly enhanced relative to those in the R-parity conserving SUSY model. Our results show that the top quark FCNC decay can be as large as Br(t → cg) ∼ 10, Br(t → cZ) ∼ 10 and Br(t → cγ) ...
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