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arXiv · 0809.0094

Higgs boson pair production at a photon-photon collision in the two Higgs doublet model

Eri Asakawa·Daisuke Harada·Shinya Kanemura·Yasuhiro Okada·Koji Tsumura
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Abstract

We calculate the cross section of Higgs boson pair production at a photon collider in the two Higgs doublet model. We focus on the scenario in which the lightest CP even Higgs boson ($h$) has the standard model like couplings to the gauge bosons. We take into account the one-loop correction to the $hhh$ coupling as well as additional one-loop diagrams due to charged Higgs bosons to the $γγ\to hh$ helicity amplitudes. It is found that the full cross section can be enhanced by both these effects to a considerable level. We discuss the impact of these corrections on the $hhh$ coupling measurement at the photon collider.

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Eri Asakawa, Daisuke Harada, Shinya Kanemura, Yasuhiro Okada, Koji Tsumura. 2009-01-07. Higgs boson pair production at a photon-photon collision in the two Higgs doublet model. https://doi.org/10.1016/j.physletb.2009.01.050

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