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Lepton Number Violation in Higgs Decay at LHC

Maiezza, Alessio; Nemevsek, Miha; Nesti, Fabrizio (2015) Lepton Number Violation in Higgs Decay at LHC. Physical Review Letters, 115 (8). 081802-1-081802-7. ISSN 0031-9007

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Abstract

We show that within the left-right symmetric model, lepton number violating decays of the Higgs boson can be discovered at the LHC. The process is due to the mixing of the Higgs boson with the triplet that breaks parity. As a result, the Higgs boson can act as a gateway to the origin of the heavy Majorana neutrino mass. To assess the LHC reach, a detailed collider study of the same-sign dileptons plus jets channel is provided. This process is complementary to the existing nuclear and collider searches for lepton number violation and can probe the scale of parity restoration even beyond other direct searches.

Item Type: Article
Uncontrolled Keywords: right-symmetric models; neutrino masses; cp violation; majorana neutrinos; standard model; gauge-boson; search; parity; scale; phenomenology
Subjects: NATURAL SCIENCES > Physics
Divisions: Theoretical Physics Division
Projects:
Project titleProject leaderProject codeProject type
Spanish GovernmentUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
EU CommissionUNSPECIFIEDFPA2011-23778UNSPECIFIED
EU CommissionUNSPECIFIEDCSD2007-00042UNSPECIFIED
Generalitat ValencianaUNSPECIFIEDPROMETEOII/2013/007UNSPECIFIED
Slovenian Research AgencyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Depositing User: Ivana Pažur
Date Deposited: 23 Dec 2016 09:44
Last Modified: 23 Dec 2016 09:44
URI: http://fulir.irb.hr/id/eprint/3306
DOI: 10.1103/PhysRevLett.115.081802

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