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Impact of top-Higgs couplings on Di-Higgs production at future colliders

Ning Liu, Songlin Hu, Bingfang Yang, Jinzhong Han
2015 Journal of High Energy Physics  

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2014 accepted
arXiv:1408.4191v2 fatcat:iizzijoqgzcrpnom73m47lf47y
2014 pre-print
arXiv:1408.4191v1 fatcat:l32sgtccnfalxd3xxv2p46cm6a
Measuring the Higgs-self coupling is one of the most crucial goals of the future colliders, such as the LHC Run-II and the ILC-based photon collider. Since the new physics can affects the di-Higgs production not only from the Higgs self-coupling but also from the top-Higgs coupling, we investigate the di-Higgs production in the presence of the non-standard top-Higgs coupling at the LHC and ILC-based photon collider given the recent Higgs data. Due to the changed interference behaviors of the
more » ... quark loops with itself or W boson loops, we find that the cross section of di-Higgs production at the LHC-14 TeV and ILC-500 GeV can be respectively enhanced up to nearly 3 and 2 times the SM predictions within 2σ Higgs data allowed parameter region.
doi:10.1007/jhep01(2015)008 fatcat:46vhoissibcdbbelae64odg6pq
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Citation

Ning Liu, Songlin Hu, Bingfang Yang, Jinzhong Han. "Impact of top-Higgs couplings on Di-Higgs production at future colliders." Journal of High Energy Physics 2015.1 (2015)