The Higgs Boson Lineshape and Perturbative Unitarity

Details The Higgs Boson Lineshape and Perturbative Unitarity The Higgs Boson Lineshape and Perturbative Unitarity

1995-05-02

arxiv.org/abs/hep-ph/9505211v1

Phys.Lett. B354 (1995) 409-414

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 10 figures A postscript version of this paper can be obtained http://surya11.cern.ch/users/seymour/pubs/higgswidth.p

Scientific paper

10.1016/0370-2693(95)00699-L

We discuss the lineshape of a heavy Higgs boson, and the behaviour well above resonance. Previous studies concluded that the energy-dependent Higgs width should be used in the resonance region, but must not be used well away from it. We derive the full result and show that it smoothly extrapolates these limits. It is extremely simple, and would be straightforward to implement in existing calculations.

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