@Article{LHCbCollaborationAaij_etal2021,
author="LHCb Collaboration (Aaij, R. et al
and Henry, L.
and Jashal, B. K.
and Martinez-Vidal, F.
and Oyanguren, A.
and Remon Alepuz, C.
and Ruiz Vidal, J.
and Sanchez Mayordomo, C.",
title="Search for heavy neutral leptons in W plus . $\mu$plus $\mu$+/- jet decays",
journal="European Physical Journal C",
year="2021",
publisher="Springer",
volume="81",
number="3",
pages="248 - 15pp",
abstract="A search is performed for heavy neutrinos in the decay of a W boson into two muons and a jet. The data set corresponds to an integrated luminosity of approximately 3.0 fb-1 of proton-proton collision data at centre-of-mass energies of 7 and 8 TeV collected with the LHCb experiment. Both same-sign and opposite-signmuons in the final state are considered. Data are found to be consistent with the expected background. Upper limits on the coupling of a heavy neutrino with the Standard Model neutrino are set at 95{\%} confidence level in the heavy-neutrino mass range from 5 to 50GeV/c2. These are of the order of 10(-3) for lepton-number-conserving decays and of the order of 10(-4) for lepton-number-violating heavy-neutrino decays.",
optnote="WOS:000631882200001",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=4755), last updated on Sun, 04 Apr 2021 17:19:10 +0000",
issn="1434-6044",
doi="10.1140/epjc/s10052-021-08973-5",
opturl="https://arxiv.org/abs/2011.05263",
opturl="https://doi.org/10.1140/epjc/s10052-021-08973-5",
language="English"
}