Lepton Number Violation in Higgs Decay at LHC

6533b86dfe1ef96bd12c97e5

RESEARCH PRODUCT

Lepton Number Violation in Higgs Decay at LHC

Miha Nemevšek Alessio Maiezza Fabrizio Nesti

subject

Particle physics Physics::Instrumentation and Detectors Physics beyond the Standard Model Symmetric model FOS: Physical sciences General Physics and Astronomy Lepton number violation Higgs Large Hadron Collider left-right symmetry High Energy Physics - Experiment Nuclear physics High Energy Physics - Experiment (hep-ex)High Energy Physics - Phenomenology (hep-ph)left-right symmetry Physics Lepton number violation Large Hadron Collider Physics High Energy Physics::Phenomenology Parity (physics)Lepton number 3. Good health MAJORANA High Energy Physics - Phenomenology Lepton number violation; Higgs; Large Hadron Collider; left-right symmetry Large Hadron Collider Higgs boson High Energy Physics::Experiment Neutrino particle physics ; higgs ; neutrino Higg Higgs

description

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 with the triplet that breaks parity. As a result, the Higgs can act as a gateway to the origin of heavy Majorana neutrino mass. To assess the LHC reach, a detailed collider study of the same-sign di-leptons 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.

year	journal	country	edition	language
2015-08-19	Physical Review Letters

10.1103/physrevlett.115.081802 http://dx.doi.org/10.1103/physrevlett.115.081802

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