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

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3];  [3];  [3]
  1. Univ. of California, Irvine, CA (United States); DOE/OSTI
  2. Univ. of Jinan (China)
  3. 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.

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 (NNSFC); Natural Science Foundation of Shandong Province
Grant/Contract Number:
SC0009913; SC0009913
OSTI ID:
1611215
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 6 Vol. 2019; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (2)

Relaxed constraints on the heavy scalar masses in 2HDM journal September 2019
Production of t Z H and t Z h in 2HDM: Prospects for discovery at the LHC journal February 2020

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