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Lepton number violation at the LHC with leptoquark and diquark

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arxiv 1210.5622 v2 pith:YI6EINGF submitted 2012-10-20 hep-ph

Masaya Kohda , Hiroaki Sugiyama , Koji Tsumura This is my paper · ORCID
classification hep-ph
keywords diquarkleptonnumberleptoquarkleptoquarksmassesneutrinopair
verification ladder T0 review T1 audit T2 compute T3 formal
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We investigate a model in which tiny neutrino masses are generated at the two-loop level by using scalar leptoquark and diquark multiplets. The diquark can be singly produced at the LHC, and it can decay into a pair of leptoquarks through the lepton number violating interaction. Subsequent decays of the two leptoquarks can provide a clear signature of the lepton number violation, namely two QCD jets and a pair of same-signed charged leptons without missing energy. We show that the signal process is not suppressed while neutrino masses are appropriately suppressed.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Exploring $\widetilde{R}_2$ Leptoquarks and Majorana Neutrinos via same-sign dimuons at the HL-LHC

    hep-ph 2026-03 conditional novelty 5.0 of 10

    A scalar leptoquark coupled to a Majorana right-handed neutrino could be found at HL-LHC via same-sign dimuons plus jets, with single production extending the reach to multi-TeV masses.

  2. Right-handed neutrino production through first-generation leptoquarks

    hep-ph 2024-12 conditional novelty 5.0 of 10

    At the HL-LHC, first-generation leptoquarks decaying to right-handed neutrinos are discovered most efficiently through indirect t-channel production, reaching leptoquark masses of roughly 3 to 10 TeV when the new coup...

  3. TooLQit: Leptoquark Models and Limits

    hep-ph 2024-12 conditional novelty 5.0 of 10

    TooLQit releases FeynRules models for all twelve leptoquark types and a Python calculator, CaLQ, that computes LHC dilepton limits on S1 and U1 couplings for masses from 1 to 5 TeV.

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