期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2016)174
关键词
Beyond Standard Model; Higgs Physics; Gauge Symmetry
资金
- DFG [RO 2516/5-1]
- TUM University Foundation
- US National Science Foundation [PHY-1315155]
- IISN
- Belgian Science Policy [IAP VII/37]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1315155] Funding Source: National Science Foundation
If neutrino masses arise from a TeV-scale minimal Left-Right seesaw model, the ensuing extended Higgs sector with neutral, singly and doubly-charged scalars has a plethora of implications for new Higgs boson searches beyond the Standard Model at future hadron colliders, such as the root s = 14 TeV High-Luminosity Large Hadron Collider (HL-LHC) and the proposed root s = 100 TeV collider (FCC-hh or SPPC). In this article, we provide a glimpse of this new physics in the Higgs sector. Our discussion focuses on the minimal non-supersymmetric version of the Left-Right model with high-scale parity breaking but TeV-scale SU(2)(R)-breaking, a property desirable to suppress the type-II see-saw contribution to neutrino masses. We analyze the masses and couplings of the physical Higgs bosons in this model, and discuss their dominant production and decay modes at hadron colliders. We identify the best discovery channels for each of the non-SM Higgs bosons and estimate the expected SM backgrounds in these channels to derive the sensitivity reaches for the new Higgs sector at future hadron colliders under discussion. Following a rather conservative approach, we estimate that the heavy Higgs sector can be effectively probed up to 15 TeV at the root s = 100 TeV machine. We also discuss how the LR Higgs sector can be distinguished from other extended Higgs sectors.
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