Signals of a 2 TeV $W'$ boson and a heavier $Z'$ boson

Dobrescu, Bogdan A.; Fox, Patrick J.

doi:10.1007/JHEP05(2016)047

Title: Signals of a 2 TeV $W'$ boson and a heavier $Z'$ boson

Journal Article · Mon May 09 00:00:00 EDT 2016 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP05(2016)047· OSTI ID:1230034

Dobrescu, Bogdan A. ^[1]; Fox, Patrick J. ^[1]

Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

We construct an SU(2)_L x SU(2)_R x U(1)_B-L model with a Higgs sector that consists of a bidoublet and a doublet, and with a right-handed neutrino sector that includes one Dirac fermion and one Majorana fermion. This model explains the CMS and ATLAS excess events in the e⁺e^-jj, jj, Wh⁰ and WZ channels in terms of a W' boson of mass near 1.9 TeV and of coupling g_R in the 0.4-0.5 range (with the lower half preferred by the limits on tb-bar resonances). We found that the production cross section of this W' boson at the 13 TeV LHC is in the 720-1100 fb range, allowing sensitivity in more than 17 final states. Furthermore, we determine that the Z' boson has a mass in the 2.9-4.5 TeV range and several decay channels that can be probed in Run 2 of the LHC, including cascade decays via heavy Higgs bosons. Interpreting the CMS e⁺e^-event at 2.9 TeV as coming from the Z', the mass ratio of the Z' and W' bosons requires g_R ≈0.48, which implies a pp →Z' → ℓ⁺ℓ^-cross section of 2 fb at √s = 13 TeV.

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Research Organization:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1230034

Report Number(s):: FERMILAB-PUB-15-430-T; arXiv eprint number arXiv:1511.02148; TRN: US1601629

Journal Information:: Journal of High Energy Physics (Online), Vol. 2016, Issue 47; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 12 works

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Probing the Higgs Sector of the Minimal Left-Right Symmetric Model at Future Hadron Colliders Dev, P. S. Bhupal; Mohapatra, Rabindra N.; Zhang, Yongchao arXiv https://doi.org/10.48550/arxiv.1602.05947	text	January 2016
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