HIGGS BOSON PRODUCTION IN $e^{+}{e}^{-}\to {\mu }^{+}{\mu }^{-}b\bar{b}$

Abstract

The production of the Standard Model Higgs boson in the four-fermion reaction $e^{+}{e}^{-}\to {\mu }^{+}{\mu }^{-}b\bar{b}$ is studied. The complete tree-level matrix element, including signal and backgrounds in the standard electroweak theory, is computed and initial state radiation is taken into account in the leading-log approximation. A Monte Carlo event generator has been built and numerical results for some distributions of experimental interest for the search of the Higgs particle at future electron-positron colliders are shown, compared with those existing in the literature and commented.

8 pages, 5 figures available via anonymous ftp at: ftp://cobra1.pv.infn.it/pub/4f/, files fig#h.ps with #=1,...,5.

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