Exotic Higgs decays in Type-II 2HDMs at the LHC and future 100 TeV hadron colliders

Kling, Felix; Li, Honglei; Pyarelal, Adarsh; Song, Huayang; Su, Shufang

doi:10.1007/jhep06(2019)031

Title: Exotic Higgs decays in Type-II 2HDMs at the LHC and future 100 TeV hadron colliders

Journal Article · Mon Jun 10 00:00:00 EDT 2019 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/jhep06(2019)031· OSTI ID:1611215

Kling, Felix ^[1]; Li, Honglei ^[2]; Pyarelal, Adarsh ^[3]; Song, Huayang ^[3]; Su, Shufang ^[3]

Univ. of California, Irvine, CA (United States)
Univ. of Jinan (China)
Univ. of Arizona, Tucson, AZ (United States)

The exotic decay modes of non-Standard Model (SM) Higgses in models with extended Higgs sectors have the potential to serve as powerful search channels to explore the space of Two-Higgs Doublet Models (2HDMs). Once kinematically allowed, heavy Higgses could decay into pairs of light non-SM Higgses, or a non-SM Higgs and a SM gauge boson, with branching fractions that quickly dominate those of the conventional decay modes to SM particles. In this study, we focus on the prospects of probing Type-II 2HDMs at the LHC and a future 100 TeV pp collider via exotic decay channels. We study the three prominent exotic decay channels: A → HZ, A → H^±W^∓ and H^± → HW^±, and find that a 100-TeV pp collider can probe most of the region of the Type-II 2HDM parameter space that survives current theoretical and experimental constraints with sizable exotic decay branching fraction through these channels, making them complementary to the conventional decay channels for heavy non-SM Higgses.

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Research Organization:: Univ. of Arizona, Tucson, AZ (United States)

Sponsoring Organization:: USDOE Office of Science (SC); National Science Foundation (NSF); National Natural Science Foundation of China (NSFC); Natural Science Foundation of Shandong Province

Grant/Contract Number:: SC0009913; FG02-13ER41976; PHY-1620638; 11635009; ZR2017JL006

OSTI ID:: 1611215

Journal Information:: Journal of High Energy Physics (Online), Vol. 2019, Issue 6; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 22 works

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