Probing the Higgs sector of the minimal Left-Right symmetric model at future hadron colliders

被引：90

作者：

Dev, P. S. Bhupal ^{[1
]}

Mohapatra, Rabindra N. ^{[2
]}

Zhang, Yongchao ^{[3
]}

机构：

[1] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany

[2] Univ Maryland, Dept Phys, Maryland Ctr Fundamental Phys, College Pk, MD 20742 USA

[3] Univ Libre Bruxelles, Serv Phys Theor, Blvd Triomphe,CP225, B-1050 Brussels, Belgium

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2016年 / 05期

基金：

美国国家科学基金会;

关键词：

Beyond Standard Model; Higgs Physics; Gauge Symmetry; DOUBLE-BETA DECAY; ELECTRIC-DIPOLE MOMENT; NEUTRINO MASSES; CP VIOLATION; B-L; CONSTRAINTS; LEPTON; ANATOMY; MIXINGS; BOSONS;

D O I：

10.1007/JHEP05(2016)174

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

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.

引用

页数：55

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