Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-05-16
Eur.Phys.J.C2:483-496,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
31 pages, LaTeX, 15 eps low-resolution figures included
Scientific paper
10.1007/s100520050155
The production of an intermediate-mass Higgs boson in processes of the kind $e^+ e^- \to 6$ fermions at the energies of future linear colliders is studied. The recently developed and fully automatic algorithm/code ALPHA is used to compute the tree-level scattering amplitudes for the reactions $e^+ e^- \to \mu^+ \mu^- \tau^- \bar\nu_{\tau} u \bar d, \mu^+ \mu^- e^- \bar\nu_{e} u \bar d$. The code has been interfaced with the Monte Carlo program HIGGSPV/WWGENPV, properly adapted to 6-fermion production, in order to provide realistic results, both in the form of cross sections and event samples at the partonic level. Phenomenological results, that incorporate the effects of initial-state radiation and beamstrahlung, are shown and commented, emphasizing the potentials of full six-fermion calculations for precise background evaluation as well as for detailed studies of the fundamental properties of the Higgs particle.
Montagna Guido
Moretti Marco
Nicrosini Oreste
Piccinini Fulvio
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