Studying Higgs pair production in the process {gamma}{gamma}{r_arrow}{ital H}{sub 0}{ital H}{sub 0} in the two-Higgs-doublet model
- Joint Institute of Eidgenoessische Technische Hochschule & University of Science and Technology of China for High Energy Physics, Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui, 230026, People`s Republic of (China)
In the two-Higgs-doublet model the complete nonstandard Higgs boson helicity amplitudes for the Higgs boson pair production process {gamma}{gamma}{r_arrow}{ital H}{sub 0}{ital H}{sub 0} is calculated and explicit formulas for nonstandard Higgs boson contributions to the helicity amplitudes are given. It is shown that the cross section is in the range of 0.03{endash}30 pb at {radical}{ital s}=1 TeV, for Higgs boson masses of 350{lt}{ital M}{sub {ital H{sub 0}}}{lt}490 GeV in monochromatic {gamma}{gamma} collisions. The angular distribution for Higgs pair production is strongly peaked in the forward and backward directions. In particular the angular dependence for Higgs pair production is due to the nonstandard Higgs boson getting larger where the box diagrams constitute the dominant part of the differential cross section. For studying heavy Higgs pair production the use of circularly polarized photon beams with equal helicities is advantageous. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 383407
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 5 Vol. 54; ISSN 0556-2821; ISSN PRVDAQ
- Country of Publication:
- United States
- Language:
- English
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