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Prospects for and Implications of Measuring the Higgs Boson to Photon-Photon Branching Ratio at the Next Lineare+e−Collider

1996/07/31 by John F. Gunion, J. F. Gunion, P. Martin +1
Medicine · Physics and Astronomy · #Medical Imaging Techniques and Applications #Particle Detector Development and Performance #Particle physics theoretical and experimental studies #hep-ex #hep-ph

paper · pdf · doi:10.1103/physrevlett.78.4541

published as Phys.Rev.Lett.78:4541-4544,1997 · 11 pages, full postscript file also available via anonymous ftp at ftp://ucdhep.ucdavis.edu/gunion/htogamgam.ps. Revisions are substantial; in particular, the $WW$-fusion Higgs production mode is now considered in addition to the $Zh$ Higgs production mode

arxiv created 1997/04/08 · openalex publication_date 1997/06/16 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We evaluate the prospects for measuring B(h\ensuremath→\ensuremathγ\ensuremathγ) for a standard-model-like Higgs boson at the Next Linear e+e^\ensuremath- Collider in the e+e^\ensuremath-\ensuremath→Z^\ensuremath⋆\ensuremath→Zh and e+e^\ensuremath-\ensuremath→\ensuremathνe\ensuremathνeh production modes. Relative merits of different machine energy/luminosity strategies and different electromagnetic calorimeter designs are evaluated. We emphasize the importance of measuring B(h\ensuremath→\ensuremathγ\ensuremathγ) in order to obtain the total width of a light Higgs boson and thereby the bb partial width that will be critical in discriminating between the standard model Higgs boson and the Higgs boson of an extended model.

Citations