Six-fermion calculation of intermediate-mass Higgs boson production at future {e^+ e^-} colliders |
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| Authors: | Guido Montagna Mauro Moretti Oreste Nicrosini Fulvio Piccinini |
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| Institution: | (1) Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, I-27100 Pavia, Italy (e-mail: montagna@pv.infn.it) , IT;(2) INFN, Sezione di Pavia, I-27100 Pavia, Italy (e-mail: nicrosini@pv.infn.it, nicrosini@vxcern.cern.ch, piccinini@pv.infn.it) , IT;(3) Dipartimento di Fisica, Università di Ferrara and INFN, Sezione di Ferrara, I-44100 Ferrara, Italy (e-mail: moretti@axpfe1.fe.infn.it) , IT |
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| Abstract: | The production of an intermediate-mass Higgs boson in processes of the kind 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 . 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.
Received: 22 May 1997 / Published online: 20 February 1998 |
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