Flavour changing effects on e+e− → Hbs̄, Hb̄s in the MSSM

نویسندگان

  • W. Hollik
  • S. Peñaranda
چکیده

Flavour changing effects originating from the exchange of scalar particles in the processes ee → Hbs̄, Hb̄s, with H ≡ h , H , A, are investigated in the Minimal Supersymmetric Standard Model with non-minimal flavour violation at the one-loop level. The dominating SUSY-QCD contributions with squark–gluino loops are calculated and discussed. We consider the SUSY scenario with non-minimal flavour mixing in the downtype squark-mass matrix. The flavour-changing cross sections are derived, and we discuss the dependence on the MSSM parameters and the strength of flavour mixing. The values for the cross section can reach 10 pb for the production of the heavy Higgs boson H or A, and only 10 pb for the light Higgs boson h. Non-decoupling behaviour occurs for both h, H production in the case of a common heavy SUSY mass scale. ∗electronic addresses: [email protected], [email protected], [email protected]

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تاریخ انتشار 2005