Searches for low-mass dimuon resonances
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Beteta, C. Abellán
name: Ackernley, T.
name: Adeva, B.
name: Adinolfi, M.
name: Afsharnia, H.
name: Aidala, C. A.
name: Aiola, S.
name: Ajaltouni, Z.
name: Akar, S.
name: Albrecht, J.
name: Alessio, F.
name: Alexander, M.
name: Albero, A. Alfonso
name: Aliouche, Z.
name: Alkhazov, G.
name: Cartelle, P. Alvarez
name: Alves, A. A.
name: Amato, S.
name: Amhis, Y.
name: An, L.
name: Anderlini, L.
name: Andreassi, G.
name: Andreianov, A.
name: Andreotti, M.
name: Archilli, F.
name: Artamonov, A.
name: Artuso, M.
name: Arzymatov, K.
name: Aslanides, E.
name: Atzeni, M.
name: Audurier, B.
name: Bachmann, S.
name: Bachmayer, M.
name: Back, J. J.
name: Baker, S.
name: Rodriguez, P. Baladron
name: Balagura, V.
name: Baldini, W.
name: Leite, J. Baptista
name: Barlow, R. J.
name: Barsuk, S.
name: Barter, W.
name: Bartolini, M.
name: Baryshnikov, F.
name: Basels, J. M.
name: Bassi, G.
name: Batozskaya, V.
name: Batsukh, B.
name: Battig, A.
name: Bay, A.
name: Becker, M.
name: Bedeschi, F.
name: Bediaga, I.
name: Beiter, A.
name: Belavin, V.
name: Belin, S.
name: Bellee, V.
name: Belous, K.
name: Belyaev, I.
name: Bencivenni, G.
name: Ben-Haim, E.
name: Berezhnoy, A.
name: Bernet, R.
name: Berninghoff, D.
name: Bernstein, H. C.
name: Bertella, C.
name: Bertholet, E.
name: Bertolin, A.
name: Betancourt, C.
name: Betti, F.
name: Bettler, M. O.
name: Bezshyiko, Ia.
name: Bhasin, S.
name: Bhom, J.
name: Bian, L.
name: Bieker, M. S.
name: Bifani, S.
name: Billoir, P.
name: Birch, M.
name: Bishop, F. C. R.
name: Bizzeti, A.
name: Bjørn, M.
name: Blago, M. P.
name: Blake, T.
name: Blanc, F.
name: Blusk, S.
name: Bobulska, D.
name: Bocci, V.
name: Boelhauve, J. A.
name: Garcia, O. Boente
name: Boettcher, T.
name: Boldyrev, A.
name: Bondar, A.
name: Bondar, N.
name: Borghi, S.
name: Borisyak, M.
name: Borsato, M.
name: Borsuk, J. T.
name: Bouchiba, S. A.
name: Bowcock, T. J. V.
name: Boyer, A.
name: Bozzi, C.
name: Bradley, M. J.
name: Braun, S.
name: Rodriguez, A. Brea
name: Brodski, M.
name: Brodzicka, J.
name: Gonzalo, A. Brossa
name: Brundu, D.
name: Buonaura, A.
name: Burr, C.
name: Bursche, A.
name: Butkevich, A.
name: Butter, J. S.
name: Buytaert, J.
name: Byczynski, W.
name: Cadeddu, S.
name: Cai, H.
name: Calabrese, R.
name: Diaz, L. Calero
name: Cali, S.
name: Calladine, R.
name: Calvi, M.
name: Gomez, M. Calvo
name: Magalhaes, P. Camargo
name: Camboni, A.
name: Campana, P.
name: Perez, D. H. Campora
name: Quezada, A. F. Campoverde
name: Capelli, S.
name: Capriotti, L.
name: Carbone, A.
name: Carboni, G.
name: Cardinale, R.
name: Cardini, A.
name: Carli, I.
name: Carniti, P.
name: Akiba, K. Carvalho
name: Vidal, A. Casais
name: Casse, G.
name: Cattaneo, M.
name: Cavallero, G.
name: Celani, S.
name: Cenci, R.
name: Cerasoli, J.
name: Chadwick, A. J.
name: Chapman, M. G.
name: Charles, M.
name: Charpentier, Ph.
name: Chatzikonstantinidis, G.
name: Chefdeville, M.
name: Chen, C.
name: Chen, S.
name: Chernov, A.
name: Chitic, S. -G.
name: Chobanova, V.
name: Cholak, S.
name: Chrzaszcz, M.
name: Chubykin, A.
name: Chulikov, V.
name: Ciambrone, P.
name: Cicala, M. F.
name: Vidal, X. Cid
name: Ciezarek, G.
name: Cindolo, F.
name: Clarke, P. E. L.
name: Clemencic, M.
name: Cliff, H. V.
name: Closier, J.
name: Cobbledick, J. L.
name: Coco, V.
name: Coelho, J. A. B.
name: Cogan, J.
name: Cogneras, E.
name: Cojocariu, L.
name: Collins, P.
name: Colombo, T.
name: Contu, A.
name: Cooke, N.
name: Coombs, G.
name: Coquereau, S.
name: Corti, G.
name: Sobral, C. M. Costa
name: Couturier, B.
name: Craik, D. C.
name: Crkovská, J.
name: Torres, M. Cruz
name: Currie, R.
name: Da Silva, C. L.
name: Dall'Occo, E.
name: Dalseno, J.
name: D'Ambrosio, C.
name: Danilina, A.
name: d'Argent, P.
name: Davis, A.
name: Francisco, O. De Aguiar
name: De Bruyn, K.
name: De Capua, S.
name: De Cian, M.
name: De Miranda, J. M.
name: De Paula, L.
name: De Serio, M.
name: De Simone, D.
name: De Simone, P.
name: de Vries, J. A.
name: Dean, C. T.
name: Dean, W.
name: Decamp, D.
name: Del Buono, L.
name: Delaney, B.
name: Dembinski, H. -P.
name: Dendek, A.
name: Denis, X.
name: Denysenko, V.
name: Derkach, D.
name: Deschamps, O.
name: Desse, F.
name: Dettori, F.
name: Dey, B.
name: Di Nezza, P.
name: Didenko, S.
name: Dijkstra, H.
name: Dobishuk, V.
name: Donohoe, A. M.
name: Dordei, F.
name: Dorigo, M.
name: Reis, A. C. dos
name: Douglas, L.
name: Dovbnya, A.
name: Downes, A. G.
name: Dreimanis, K.
name: Dudek, M. W.
name: Dufour, L.
name: Durante, P.
name: Durham, J. M.
name: Dutta, D.
name: Dziewiecki, M.
name: Dziurda, A.
name: Dzyuba, A.
name: Easo, S.
name: Egede, U.
name: Egorychev, V.
name: Eidelman, S.
name: Eisenhardt, S.
name: Ek-In, S.
name: Eklund, L.
name: Ely, S.
name: Ene, A.
name: Epple, E.
name: Escher, S.
name: Eschle, J.
name: Esen, S.
name: Evans, T.
name: Falabella, A.
name: Fan, J.
name: Fan, Y.
name: Fang, B.
name: Farley, N.
name: Farry, S.
name: Fazzini, D.
name: Fedin, P.
name: Féo, M.
name: Declara, P. Fernandez
name: Prieto, A. Fernandez
name: Ferrari, F.
name: Lopes, L. Ferreira
name: Rodrigues, F. Ferreira
name: Sole, S. Ferreres
name: Ferrillo, M.
name: Ferro-Luzzi, M.
name: Filippov, S.
name: Fini, R. A.
name: Fiorini, M.
name: Firlej, M.
name: Fischer, K. M.
name: Fitzpatrick, C.
name: Fiutowski, T.
name: Fleuret, F.
name: Fontana, M.
name: Fontanelli, F.
name: Forty, R.
name: Lima, V. Franco
name: Sevilla, M. Franco
name: Frank, M.
name: Franzoso, E.
name: Frau, G.
name: Frei, C.
name: Friday, D. A.
name: Fu, J.
name: Fuehring, Q.
name: Funk, W.
name: Gabriel, E.
name: Gaintseva, T.
name: Torreira, A. Gallas
name: Galli, D.
name: Gallorini, S.
name: Gambetta, S.
name: Gan, Y.
name: Gandelman, M.
name: Gandini, P.
name: Gao, Y.
name: Garau, M.
name: Martin, L. M. Garcia
name: Moreno, P. Garcia
name: Pardiñas, J. García
name: Plana, B. Garcia
name: Rosales, F. A. Garcia
name: Garrido, L.
name: Gascon, D.
name: Gaspar, C.
name: Geertsema, R. E.
name: Gerick, D.
name: Gerken, L. L.
name: Gersabeck, E.
name: Gersabeck, M.
name: Gershon, T.
name: Gerstel, D.
name: Ghez, Ph.
name: Gibson, V.
name: Gioventù, A.
name: Gironell, P. Gironella
name: Giubega, L.
name: Giugliano, C.
name: Gizdov, K.
name: Gligorov, V. V.
name: Göbel, C.
name: Golobardes, E.
name: Golubkov, D.
name: Golutvin, A.
name: Gomes, A.
name: Fernandez, S. Gomez
name: Goncerz, M.
name: Gorbounov, P.
name: Gorelov, I. V.
name: Gotti, C.
name: Govorkova, E.
name: Grabowski, J. P.
name: Diaz, R. Graciani
name: Grammatico, T.
name: Cardoso, L. A. Granado
name: Graugés, E.
name: Graverini, E.
name: Graziani, G.
name: Grecu, A.
name: Greeven, L. M.
name: Griffith, P.
name: Grillo, L.
name: Gruber, L.
name: Cazon, B. R. Gruberg
name: Gu, C.
name: Guarise, M.
name: Günther, P. A.
name: Gushchin, E.
name: Guth, A.
name: Guz, Yu.
name: Gys, T.
name: Hadavizadeh, T.
name: Haefeli, G.
name: Haen, C.
name: Haines, S. C.
name: Hamilton, P. M.
name: Han, Q.
name: Han, X.
name: Hancock, T. H.
name: Hansmann-Menzemer, S.
name: Harnew, N.
name: Harrison, T.
name: Hart, R.
name: Hasse, C.
name: Hatch, M.
name: He, J.
name: Hecker, M.
name: Heijhoff, K.
name: Heinicke, K.
name: Hennequin, A. M.
name: Hennessy, K.
name: Henry, L.
name: Heuel, J.
name: Hicheur, A.
name: Hill, D.
name: Hilton, M.
name: Hollitt, S. E.
name: Hopchev, P. H.
name: Hu, J.
name: Hu, J.
name: Hu, W.
name: Huang, W.
name: Hulsbergen, W.
name: Hunter, R. J.
name: Hushchyn, M.
name: Hutchcroft, D.
name: Hynds, D.
name: Ibis, P.
name: Idzik, M.
name: Ilin, D.
name: Ilten, P.
name: Inglessi, A.
name: Ivshin, K.
name: Jacobsson, R.
name: Jakobsen, S.
name: Jans, E.
name: Jashal, B. K.
name: Jawahery, A.
name: Jevtic, V.
name: Jiang, F.
name: John, M.
name: Johnson, D.
name: Jones, C. R.
name: Jones, T. P.
name: Jost, B.
name: Jurik, N.
name: Kandybei, S.
name: Kang, Y.
name: Karacson, M.
name: Kariuki, J. M.
name: Kazeev, N.
name: Kecke, M.
name: Keizer, F.
name: Kelsey, M.
name: Kenzie, M.
name: Ketel, T.
name: Khanji, B.
name: Kharisova, A.
name: Kholodenko, S.
name: Kim, K. E.
name: Kirn, T.
name: Kirsebom, V. S.
name: Kitouni, O.
name: Klaver, S.
name: Klimaszewski, K.
name: Koliiev, S.
name: Kondybayeva, A.
name: Konoplyannikov, A.
name: Kopciewicz, P.
name: Kopecna, R.
name: Koppenburg, P.
name: Korolev, M.
name: Kostiuk, I.
name: Kot, O.
name: Kotriakhova, S.
name: Kravchenko, P.
name: Kravchuk, L.
name: Krawczyk, R. D.
name: Kreps, M.
name: Kress, F.
name: Kretzschmar, S.
name: Krokovny, P.
name: Krupa, W.
name: Krzemien, W.
name: Kucewicz, W.
name: Kucharczyk, M.
name: Kudryavtsev, V.
name: Kuindersma, H. S.
name: Kunde, G. J.
name: Kvaratskheliya, T.
name: Lacarrere, D.
name: Lafferty, G.
name: Lai, A.
name: Lampis, A.
name: Lancierini, D.
name: Lane, J. J.
name: Lane, R.
name: Lanfranchi, G.
name: Langenbruch, C.
name: Langer, J.
name: Lantwin, O.
name: Latham, T.
name: Lazzari, F.
name: Gac, R. Le
name: Lee, S. H.
name: Lefèvre, R.
name: Leflat, A.
name: Legotin, S.
name: Leroy, O.
name: Lesiak, T.
name: Leverington, B.
name: Li, H.
name: Li, L.
name: Li, P.
name: Li, X.
name: Li, Y.
name: Li, Y.
name: Li, Z.
name: Liang, X.
name: Lin, T.
name: Lindner, R.
name: Lisovskyi, V.
name: Litvinov, R.
name: Liu, G.
name: Liu, H.
name: Liu, S.
name: Liu, X.
name: Loi, A.
name: Castro, J. Lomba
name: Longstaff, I.
name: Lopes, J. H.
name: Loustau, G.
name: Lovell, G. H.
name: Lu, Y.
name: Lucchesi, D.
name: Luchuk, S.
name: Martinez, M. Lucio
name: Lukashenko, V.
name: Luo, Y.
name: Lupato, A.
name: Luppi, E.
name: Lupton, O.
name: Lusiani, A.
name: Lyu, X.
name: Ma, L.
name: Maccolini, S.
name: Machefert, F.
name: Maciuc, F.
name: Macko, V.
name: Mackowiak, P.
name: Maddrell-Mander, S.
name: Mohan, L. R. Madhan
name: Maev, O.
name: Maevskiy, A.
name: Maisuzenko, D.
name: Majewski, M. W.
name: Malde, S.
name: Malecki, B.
name: Malinin, A.
name: Maltsev, T.
name: Malygina, H.
name: Manca, G.
name: Mancinelli, G.
name: Escalero, R. Manera
name: Manuzzi, D.
name: Marangotto, D.
name: Maratas, J.
name: Marchand, J. F.
name: Marconi, U.
name: Mariani, S.
name: Benito, C. Marin
name: Marinangeli, M.
name: Marino, P.
name: Marks, J.
name: Marshall, P. J.
name: Martellotti, G.
name: Martinazzoli, L.
name: Martinelli, M.
name: Santos, D. Martinez
name: Vidal, F. Martinez
name: Massafferri, A.
name: Materok, M.
name: Matev, R.
name: Mathad, A.
name: Mathe, Z.
name: Matiunin, V.
name: Matteuzzi, C.
name: Mattioli, K. R.
name: Mauri, A.
name: Maurice, E.
name: Mauricio, J.
name: Mazurek, M.
name: McCann, M.
name: Mcconnell, L.
name: Mcgrath, T. H.
name: McNab, A.
name: McNulty, R.
name: Mead, J. V.
name: Meadows, B.
name: Meaux, C.
name: Meier, G.
name: Meinert, N.
name: Melnychuk, D.
name: Meloni, S.
name: Merk, M.
name: Merli, A.
name: Garcia, L. Meyer
name: Mikhasenko, M.
name: Milanes, D. A.
name: Millard, E.
name: Minard, M. -N.
name: Minzoni, L.
name: Mitchell, S. E.
name: Mitreska, B.
name: Mitzel, D. S.
name: Mödden, A.
name: Mohammed, R. A.
name: Moise, R. D.
name: Mombächer, T.
name: Monroy, I. A.
name: Monteil, S.
name: Morandin, M.
name: Morello, G.
name: Morello, M. J.
name: Moron, J.
name: Morris, A. B.
name: Morris, A. G.
name: Mountain, R.
name: Mu, H.
name: Muheim, F.
name: Mukherjee, M.
name: Mulder, M.
name: Müller, D.
name: Müller, K.
name: Murphy, C. H.
name: Murray, D.
name: Muzzetto, P.
name: Naik, P.
name: Nakada, T.
name: Nandakumar, R.
name: Nanut, T.
name: Nasteva, I.
name: Needham, M.
name: Neri, I.
name: Neri, N.
name: Neubert, S.
name: Neufeld, N.
name: Newcombe, R.
name: Nguyen, T. D.
name: Nguyen-Mau, C.
name: Niel, E. M.
name: Nieswand, S.
name: Nikitin, N.
name: Nolte, N. S.
name: Nunez, C.
name: Oblakowska-Mucha, A.
name: Obraztsov, V.
name: Ogilvy, S.
name: O'Hanlon, D. P.
name: Oldeman, R.
name: Onderwater, C. J. G.
name: Osborn, J. D.
name: Ossowska, A.
name: Goicochea, J. M. Otalora
name: Ovsiannikova, T.
name: Owen, P.
name: Oyanguren, A.
name: Pagare, B.
name: Pais, P. R.
name: Pajero, T.
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name: Palutan, M.
name: Pan, Y.
name: Panshin, G.
name: Papanestis, A.
name: Pappagallo, M.
name: Pappalardo, L. L.
name: Pappenheimer, C.
name: Parker, W.
name: Parkes, C.
name: Parkinson, C. J.
name: Passalacqua, B.
name: Passaleva, G.
name: Pastore, A.
name: Patel, M.
name: Patrignani, C.
name: Pearce, A.
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name: Perazzini, S.
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name: Polci, F.
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name: Polycarpo, E.
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name: Alepuz, C. Remon
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name: Renaudin, V.
name: Ribatti, R.
name: Ricciardi, S.
name: Richards, D. S.
name: Rinnert, K.
name: Robbe, P.
name: Robert, A.
name: Robertson, G.
name: Rodrigues, A. B.
name: Rodrigues, E.
name: Lopez, J. A. Rodriguez
name: Roehrken, M.
name: Rollings, A.
name: Roloff, P.
name: Romanovskiy, V.
name: Lamas, M. Romero
name: Vidal, A. Romero
name: Roth, J. D.
name: Rotondo, M.
name: Rudolph, M. S.
name: Ruf, T.
name: Vidal, J. Ruiz
name: Ryzhikov, A.
name: Ryzka, J.
name: Silva, J. J. Saborido
name: Sagidova, N.
name: Sahoo, N.
name: Saitta, B.
name: Gras, C. Sanchez
name: Mayordomo, C. Sanchez
name: Santacesaria, R.
name: Rios, C. Santamarina
name: Santimaria, M.
name: Santovetti, E.
name: Saranin, D.
name: Sarpis, G.
name: Sarpis, M.
name: Sarti, A.
name: Satriano, C.
name: Satta, A.
name: Saur, M.
name: Savrina, D.
name: Sazak, H.
name: Smead, L. G. Scantlebury
name: Schael, S.
name: Schellenberg, M.
name: Schiller, M.
name: Schindler, H.
name: Schmelling, M.
name: Schmelzer, T.
name: Schmidt, B.
name: Schneider, O.
name: Schopper, A.
name: Schubiger, M.
name: Schulte, S.
name: Schune, M. H.
name: Schwemmer, R.
name: Sciascia, B.
name: Sciubba, A.
name: Sellam, S.
name: Semennikov, A.
name: Sergi, A.
name: Serra, N.
name: Serrano, J.
name: Sestini, L.
name: Seuthe, A.
name: Seyfert, P.
name: Shangase, D. M.
name: Shapkin, M.
name: Shchemerov, I.
name: Shchutska, L.
name: Shears, T.
name: Shekhtman, L.
name: Shevchenko, V.
name: Shields, E. B.
name: Shmanin, E.
name: Shupperd, J. D.
name: Siddi, B. G.
name: Coutinho, R. Silva
name: de Oliveira, L. Silva
name: Simi, G.
name: Simone, S.
name: Skiba, I.
name: Skidmore, N.
name: Skwarnicki, T.
name: Slater, M. W.
name: Smallwood, J. C.
name: Smeaton, J. G.
name: Smetkina, A.
name: Smith, E.
name: Smith, M.
name: Snoch, A.
name: Soares, M.
name: Lavra, L. Soares
name: Sokoloff, M. D.
name: Soler, F. J. P.
name: Solovev, A.
name: Solovyev, I.
name: De Almeida, F. L. Souza
name: De Paula, B. Souza
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Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: Searches are performed for a low-mass dimuon resonance, $X$, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb$^{-1}$ and collected with the LHCb detector. The $X$ bosons can either decay promptly or displaced from the proton-proton collision, where in both cases the requirements placed on the event and the assumptions made about the production mechanisms are kept as minimal as possible. The searches for promptly decaying $X$ bosons explore the mass range from near the dimuon threshold up to 60 GeV, with nonnegligible $X$ widths considered above 20 GeV. The searches for displaced $X \to μ^+μ^-$ decays consider masses up to 3 GeV. None of the searches finds evidence for a signal and 90% confidence-level exclusion limits are placed on the $X \to μ^+μ^-$ cross sections, each with minimal model dependence. In addition, these results are used to place world-leading constraints on GeV-scale bosons in the two-Higgs-doublet and hidden-valley scenarios.
description: All figures and tables, along with machine-readable versions and any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2020-013.html (LHCb public pages)