Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-12-02
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, no figures, Contribution to the Workshop on ``New Theoretical Developments for Higgs Physics at LEP2'', CERN, October
Scientific paper
We suggest new benchmark scenarios for the Higgs-boson search at LEP2. Keeping m_t and M_SUSY fixed, we improve on the definition of the maximal mixing benchmark scenario defining precisely the values of all MSSM parameters such that the new m_h^max benchmark scenario yields the parameters which maximize the value of m_h for a given tan(beta). The corresponding scenario with vanishing mixing in the scalar top sector is also considered. We propose a further benchmark scenario with a relatively large value of |mu|, a moderate value of M_SUSY, and moderate mixing parameters in the scalar top sector. While the latter scenario yields m_h values that in principle allow to access the complete M_A-tan(beta)-plane at LEP2, on the other hand it contains parameter regions where the Higgs-boson detection can be difficult, because of a suppression of the branching ratio of its decay into bottom quarks.
Carena Marcela
Heinemeyer Sven
Wagner Carlos E. M.
Weiglein Georg
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