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Impact of top-Higgs couplings on di-Higgs production at future colliders
release_iizzijoqgzcrpnom73m47lf47y
by
Ning Liu,
Songlin Hu,
Bingfang Yang,
Jinzhong Han
Released
as a article
.
2014
Abstract
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 top 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.
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1408.4191v2
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