Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-07-17
Phys.Rev.Lett.78:4541-4544,1997
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, full postscript file also available via anonymous ftp at ftp://ucdhep.ucdavis.edu/gunion/htogamgam.ps. Revisions are
Scientific paper
10.1103/PhysRevLett.78.4541
We evaluate the prospects for measuring $BR(h\to\gamma\gamma)$ for a Standard-Model-like Higgs boson at the Next Linear $e^+e^-$ Collider in the $e^+e^-\to Z^*\to Z h$ and $e^+e^-\to\nu_e\anti\nu_e h$ production modes. Relative merits of different machine energy/luminosity strategies and different electromagnetic calorimeter designs are evaluated. We emphasize the importance of measuring $BR(h\to\gamma\gamma)$ in order to obtain the total width of a light Higgs boson and thereby the $b\anti b$ partial width that will be critical in discriminating between the SM Higgs and the Higgs bosons of an extended model.
Gunion John F.
Martin Pamela
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