Di-Higgs enhancement by neutral scalar as probe of new colored sector
作者： Koji Nakamura , Kenji Nishiwaki , Kin ya Oda , Seong Chan Park , Yasuhiro Yamamoto
DOI: 10.1140/EPJC/S10052-017-4835-4
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摘要: We study a class of models in which the Higgs pair production is enhanced at hadron colliders by an extra neutral scalar. The scalar particle produced gluon fusion via loop new colored particles, and decays into di-Higgs through its mixing with Standard Model Higgs. Such can be top/bottom partner, such as dilaton model, or triplet, sextet, octet, etc., called leptoquark, diquark, coloron, respectively. examine experimental constraints from latest Large Hadron Collider (LHC) data, discuss future prospects LHC Future Circular up to 100 TeV. also point out that $$2.4\,\sigma $$ excess $$b \bar{b} \gamma final state reported ATLAS experiment interpreted resonance 300 GeV.
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