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Aaij, R, Beteta, C Abellan, Adeva, B, Adinolfi, M, Aidala, CA, Ajaltouni, Z, Akar, S, Albicocco, P, Albrecht, J, Alessio, F et al (show 834 more authors) , Alexander, M, Albero, A Alfonso, Alkhazov, G, Cartelle, P Alvarez, Alves, AA Jr, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, JE, Archilli, F, d'Argent, P, Romeu, J Arnau, Artamonov, A, Artuso, M, Arzymatov, K, Aslanides, E, Atzeni, M, Audurier, B, Bachmann, S, Back, JJ, Baker, S, Balagura, V, Baldini, W, Baranov, A, Barlow, RJ, Barrand, GC, Barsuk, S, Barter, W, Bartolini, M, baryshnikov, F, Batozskaya, V, Batsukh, B, Battig, A, Battista, V, Bay, A, Beddow, J, Bedeschi, F, Bediaga, I, Beiter, A, Bel, LJ, Belin, S, Beliy, N, Bellee, V, Belloli, N, Belous, K, Belyaev, I, Ben-Haim, E, Bencivenni, G, Benson, S, Beranek, S, Berezhnoy, A, Bernet, R, Berninghoff, D, Bertholet, E, Bertolin, A, Betancourt, C, Betti, F, Bettler, MO, van Beuzekom, M, Bezshyiko, Ia, Bhasin, S, Bhom, J, Bifani, S, Billoir, P, Birnkraut, A, Bizzeti, A, Bjorn, M, Blago, MP, Blake, T, Blanc, F, Blusk, S, Bobulska, D, Bocci, V, Boente Garcia, O, Boettcher, T, Bondar, A, Bondar, N, Borghi, S, Borisyak, M, Borsato, M, Bossu, F, Boubdir, M, Bowcock, TJV 
ORCID: 0000-0002-3505-6915, Bozzi, C, Braun, S, Brodski, M, Brodzicka, J, Gonzalo, A Brossa, Brundu, D, Buchanan, E, Buonaura, A, Burr, C, Bursche, A, Buytaert, J, Byczynski, W, Cadeddu, S, Cai, H, Calabrese, R, Calladine, R, Calvi, M, Calvo Gomez, M, Camboni, A, Campana, P, Perez, DH Campora, Capriotti, L, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carniti, P, Carvalho Akiba, K, Casse, G ORCID: 0000-0002-8516-237X, Cassina, L, Cattaneo, M, Cavallero, G, Cenci, R, Chamont, D, Chapman, MG, Charles, M, Charpentier, Ph, Chatzikonstantinidis, G, Chefdeville, M, Chekalina, V, Chen, C, Chen, S, Chitic, S-G, Chobanova, V, Chrzaszcz, M, Chubykin, A, Ciambrone, P, Cid Vidal, X, Ciezarek, G, Cindolo, F, Clarke, PEL, Clemencic, M, Cliff, HV, Closier, J, Coco, V, Coelho, JAB, Cogan, J, Cogneras, E, Cojocariu, L, Collins, P, Colombo, T, Comerma-Montells, A, Contu, A, Coombs, G, Coquereau, S, Corti, G, Corvo, M, Sobral, CM Costa, Couturier, B, Cowan, GA, Craik, DC, Crocombe, A, Cruz Torres, M, Currie, R, D'Ambrosio, C, Da Cunha Marinho, F, Da Silva, CL, Dall'Occo, E, Dalseno, J, Danilina, A, Davis, A, Francisco, O De Aguiar, De Bruyn, K, De Capua, S, De Cian, M, De Miranda, JM, De Paula, L, De Serio, M, De Simone, P, Dean, CT, Decamp, D, Del Buono, L, Delaney, B, Dembinski, H-P, Demmer, M, Dendek, A, Derkach, D, Deschamps, O, Desse, F, Dettori, F, Dey, B, Di Canto, A, Di Nezza, P, Didenko, S, Dijkstra, H, Dordei, F, Dorigo, M, Dosil Suarez, A, Douglas, L, Dovbnya, A, Dreimanis, K, Dufour, L, Dujany, G, Durante, P, Durham, JM, Dutta, D, Dzhelyadin, R, Dziewiecki, M, Dziurda, A, Dzyuba, A, Easo, S, Egede, U, Egorychev, V, Eidelman, S, Eisenhardt, S, Eitschberger, U, Ekelhof, R, Eklund, L, Ely, S, Ene, A, Escher, S, Esen, S, Evans, T, Falabella, A, Farley, N, Farry, S, Fazzini, D, Declara, P Fernandez, Fernandez Prieto, A, Ferrari, F, Lopes, L Ferreira, Ferreira Rodrigues, F, Ferro-Luzzi, M, Filippov, S, Fini, RA, Fiorini, M, Firlej, M, Fitzpatrick, C, Fiutowski, T, Fleuret, 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Heinicke, K, Heister, A, Hennessy, K ORCID: 0000-0002-1529-8087, Henry, L, van Herwijnen, E, Heuel, J, Hess, M, Hicheur, A, Charman, R Hidalgo, Hill, D, Hilton, M, Hopchev, PH, Hu, J, Hu, W, Huang, W, Huard, ZC, Hulsbergen, W, Humair, T, Hushchyn, M, Hutchcroft, D ORCID: 0000-0002-4174-6509, Hynds, D, Ibis, P, Idzik, M, Ilten, P, Inglessi, A, Inyakin, A, Ivshin, K, Jacobsson, R, Jalocha, J, Jans, E, Jashal, BK, Jawahery, A, Jiang, F, John, M, Johnson, D, Jones, CR, Joram, C, Jost, B, Jurik, N, Kandybei, S, Karacson, M, Kariuki, JM, Karodia, S, Kazeev, N, Kecke, M, Keizer, F, Kelsey, M, Kenzie, M, Ketel, T, Khairullin, E, Khanji, B, Khurewathanakul, C, Kim, KE, Kirn, T, Kirsebom, VS, Klaver, S, Klimaszewski, K, Klimkovich, T, Koliiev, S, Kolpin, M, Kopecna, R, Koppenburg, P, Kostiuk, I, Kotriakhova, S, Kozeiha, M, Kravchuk, L, Kreps, M, Kress, F, Krokovny, P, Krupa, W, Krzemien, W, Kucewicz, W, Kucharczyk, M, Kudryavtsev, V, Kuonen, AK, Kvaratskheliya, T, Lacarrere, D, Lafferty, G, Lai, 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(2021)
Search for heavy neutral leptons in W plus . μ plus μ± jet decays.
EUROPEAN PHYSICAL JOURNAL C, 81 (3).
248-.
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 $3.0 \text{ fb}^{-1}$ of proton-proton collision data at
centre-of-mass energies of 7 and $8 \text{ TeV}$ 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 $95\%$ confidence level in the heavy-neutrino mass range from 5 to $50
\text{ GeV}/c^2$. 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.
| Item Type: |
Article
|
| Additional Information: |
All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2020-022.html (LHCb
public pages) |
| Uncontrolled Keywords: |
hep-ex, hep-ex |
| Divisions: |
Faculty of Science and Engineering > School of Physical Sciences |
| Depositing User: |
Symplectic Admin
|
| Date Deposited: |
01 Sep 2021 10:37 |
| Last Modified: |
14 Mar 2024 23:02 |
| DOI: |
10.1140/epjc/s10052-021-08973-5 |
| Related URLs: |
|
| URI: |
https://livrepository.liverpool.ac.uk/id/eprint/3134992 |
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