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Searching for Heavy Neutral Leptons with Displaced Vertices at the LHC

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arxiv 1812.01720 v1 pith:57F5LIS2 submitted 2018-12-04 hep-ph

Asmaa Abada , Nicolás Bernal , Marta Losada , Xabier Marcano This is my paper · ORCID
classification hep-ph
keywords displacedverticesheavyleptonslong-livedneutralaccountactive
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Heavy Neutral Leptons are naturally present in many well-motivated extensions of the Standard Model. If their mass is of few dozens of GeVs, they can be long-lived and lead to events with displaced vertices, giving rise to promising signatures due to the low background. We revisit the opportunities offered by the LHC to discover these long-lived states via searches with displaced vertices. We study in particular the implication on the parameter space sensitivity when all mixings to active flavors are taken into account.

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Cited by 1 Pith paper

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  1. Heavy Neutral Leptons without Prejudice

    hep-ph 2024-12 conditional novelty 5.0 of 10

    HL-LHC and FCC-ee can probe HNL Yukawa couplings down to y^2 near 10^-4 to 10^-6 depending on mass; at zero mixing, Higgs width precision is the strongest constraint and the two colliders have comparable reach.

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