The Higgs Boson Production Cross Section as a Precision Observable?

Details The Higgs Boson Production Cross Section as a Precision Observable? The Higgs Boson Production Cross Section as a Precision Observable?

2002-03-06

arxiv.org/abs/hep-ph/0203067v2

Phys.Rev.D66:055002,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 3 figures. Discussion on experimental errors enlarged, references added and updated. Version to appear in Phys. Rev.

Scientific paper

10.1103/PhysRevD.66.055002

We investigate what can be learned at a linear collider about the sector of electroweak symmetry breaking from a precise measurement of the Higgs boson production cross section through the process e+e- -> hZ. We focus on deviations from the Standard Model arising in its minimal supersymmetric extension. The analysis is performed within two realistic future scenarios, taking into account all prospective experimental errors on supersymmetric particle masses as well as uncertainties from unknown higher order corrections. We find that information on tan beta and M_A could be obtained from a cross section measurement with a precision of 0.5 - 1 %. Alternatively, information could be obtained on the gaugino mass parameters M_2 and mu if they are relatively small, M_2, mu approximately 200 GeV.

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