dc.contributor.author | Aaij, R. | |
dc.contributor.author | Abellán Beteta, C. | |
dc.contributor.author | Ackernley, T. | |
dc.contributor.author | Adeva, B. | |
dc.contributor.author | Adinolfi, M. | |
dc.contributor.author | Afsharnia, H. | |
dc.contributor.author | Aidala, C. A | |
dc.contributor.author | Aiola, S. | |
dc.contributor.author | Ajaltouni, Z. | |
dc.contributor.author | Akar, S. | |
dc.contributor.author | Albrecht, J. | |
dc.contributor.author | Alessio, F. | |
dc.contributor.author | Alexander, M. | |
dc.contributor.author | Alfonso Albero, A. | |
dc.contributor.author | Aliouche, Z. | |
dc.contributor.author | Alkhazov, G. | |
dc.contributor.author | Alvarez Cartelle, P. | |
dc.contributor.author | Amato, S. | |
dc.contributor.author | Amhis, Y. | |
dc.contributor.author | An, L. | |
dc.date.accessioned | 2021-09-20T17:41:51Z | |
dc.date.available | 2021-09-20T17:41:51Z | |
dc.date.issued | 2021-03-22 | |
dc.identifier.uri | https://hdl.handle.net/1721.1/132081 | |
dc.description.abstract | 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
$$3.0\, \text {fb} ^{-1} $$
3.0
fb
-
1
of proton–proton collision data at centre-of-mass energies of 7 and
$$8\, \text {TeV} $$
8
TeV
collected with the LHCb experiment. Both same-sign and opposite-sign muons 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
$$95\%$$
95
%
confidence level in the heavy-neutrino mass range from 5 to
$$50\, \text {GeV/}c^2 $$
50
GeV/
c
2
. These are of the order of
$$10^{-3}$$
10
-
3
for lepton-number-conserving decays and of the order of
$$10^{-4}$$
10
-
4
for lepton-number-violating heavy-neutrino decays. | en_US |
dc.publisher | Springer Berlin Heidelberg | en_US |
dc.relation.isversionof | https://doi.org/10.1140/epjc/s10052-021-08973-5 | en_US |
dc.rights | Creative Commons Attribution | en_US |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | en_US |
dc.source | Springer Berlin Heidelberg | en_US |
dc.title | Search for heavy neutral leptons in $$W^+\rightarrow \mu ^{+}\mu ^{\pm }\, \text {jet}$$ W + → μ + μ ± jet decays | en_US |
dc.type | Article | en_US |
dc.identifier.citation | The European Physical Journal C. 2021 Mar 22;81(3):248 | en_US |
dc.contributor.department | Massachusetts Institute of Technology. Department of Physics | |
dc.identifier.mitlicense | PUBLISHER_CC | |
dc.eprint.version | Final published version | en_US |
dc.type.uri | http://purl.org/eprint/type/JournalArticle | en_US |
eprint.status | http://purl.org/eprint/status/PeerReviewed | en_US |
dc.date.updated | 2021-03-28T03:40:39Z | |
dc.language.rfc3066 | en | |
dc.rights.holder | CERN for the benefit of the LHCb collaboration | |
dspace.embargo.terms | N | |
dspace.date.submission | 2021-03-28T03:40:39Z | |
mit.license | PUBLISHER_CC | |
mit.metadata.status | Authority Work and Publication Information Needed | |