Title: | Observation of triple J/ψ meson production in proton-proton collisions |
Authors: | Tumasyan, A Adam, W Andrejkovic, JW Bergauer, T Chatterjee, S Damanakis, K Dragicevic, M Del Valle, AE Frühwirth, R Jeitler, M Krammer, N Schroeder, N Lu, R-S Schuh, T Schnepf, M Seith, D Sulimov, V Afanasiev, S Shvetsov, I Simonis, HJ Ulrich, R Vagnerini, A Strobbe, N Fernández, JRG Gerber, CE Van Der Linden, J Moureaux, L Skovpen, K Shepherd-Themistocleous, CH Von Cube, RF Wassmer, M Rosenzweig, S Weber, M Sharan, M Wieland, S Cortezon, EP Wolf, R Do Amaral, SMS Wozniewski, S Wunsch, S Raicevic, N Anagnostou, G Tomalin, IR Lezki, S Wadud, MA Rendón, C Daskalakis, G Mahieu, CL Geralis, T Pétré, L Kyriakis, A Loukas, D Stakia, A Diamantopoulou, M Uvarov, L Bloom, K Karasavvas, D Choi, M Pata, J Fienga, F Maggi, G Maggi, M Margjeka, I Vellidis, K Mastrapasqua, V My, S Avati, V Nuzzo, S Popov, V Júnior, WLA Pellecchia, A Uchida, K Raidal, M Williams, T Pompili, A Pugliese, G Tytgat, M Bryson, M Ramos, D Vourliotis, E Ranieri, A Selvaggi, G Silvestris, L Álvarez, CR Simone, FM Tani, L Sözbilir, Ã Dhingra, N Fontaine, J-C Dos Santos Sousa, V Stepennov, A Venditti, R Verwilligen, P Abbiendi, G Bakas, G Bhyun, JH Battilana, C Vermassen, B Makarenko, V Wulz, C-E Bonacorsi, D Borgonovi, L Bainbridge, R Brigliadori, L Campanini, R Merlo, J-P Capiluppi, P Bouza, VR Lee, KS Thiel, M Attikis, A Kousouris, K Veelken, C Castro, A Cavallo, FR Cuffiani, M Bloch, P Dallavalle, GM Diotalevi, T Padula, SS Wezenbeek, L Tyurin, N Ivanchenko, V Fabbri, F Mestvirishvili, A Fanfani, A Eerola, P Giacomelli, P Papakrivopoulos, I Giommi, L Toms, M Hadley, NJ Gras, P Strait, J Grandi, C Guiducci, L Meo, SL Lunerti, L Marcellini, S Cussans, D Masetti, G Nachtman, J Benecke, A Tsipolitis, G Yalvac, M Belforte, S Rodríguez, AS Navarria, FL Bonomally, S Perrotta, A Primavera, F Vlasov, E Rossi, AM Kirschenmann, H Rovelli, T Chauhan, S Siroli, GP Albergo, S Trapote, A Costa, S Ogul, H Zacharopoulou, A Paganis, E Borg, J Mattia, AD Potenza, R Claes, DR Osterberg, K Bethani, A Tricomi, A Trevisani, N Tuve, C Zhokin, A Barbagli, G Cassese, A Ceccarelli, R Ciulli, V Fangmeier, C Breeze, S Postiau, N Voutilainen, M Onel, Y Villalba, CV Civinini, C D’Alessandro, R Focardi, E Latino, G Bruno, G Thakur, S Lenzi, P Aushev, T Lizzo, M Schieck, J Bharthuar, S Cifuentes, JAB Meschini, M Adamidis, K Paoletti, S Penzo, A Finco, L Seidita, R Sguazzoni, G Viliani, L Benussi, L Bianco, S Piccolo, D Cabrillo, IJ Epshteyn, V Leggat, D Bury, F Golf, F Bychkova, O Merrit, AH Bozzo, M Ferro, F Snyder, C Mulargia, R Robutti, E Virdee, T Tosi, S Rotter, J Goerlach, U Benaglia, A Buchmuller, O Boldrini, G Brivio, F Cetorelli, F Bestintzanos, I De Guio, F Chistov, R Gninenko, S Caputo, C Panagiotou, A Joo, C Pedro, K Budkouski, D Tiras, E Dinardo, ME Cepaitis, V Dini, P Gennai, S Ghezzi, A Govoni, P Lindsey, C Luukka, P Vorobyev, A Guzzi, L Lucchini, MT Brücken, E Malberti, M Malvezzi, S Danilov, M Gupta, R Amram, O Massironi, A Denegri, D Calderon, A David, P Menasce, D Moroni, L Evangelou, I Garcia, F Paganoni, M Pedrini, D Pinolini, BS Ragazzi, S Kravchenko, I Lee, H Steen, A de Monchenault, GH Redaelli, N de Fatis, TT Lelas, D Oskin, A Valsecchi, D Havukainen, J Zuolo, D Grzanka, L Foudas, C Delaere, C Buontempo, S Campderros, JD Carnevali, F Chahal, GS Cavallo, N De Iorio, A Fabozzi, F Iorio, AOM Musich, M Flacher, H Butler, PH Lista, L Parygin, P Filho, MBF Gianneios, P Meola, S Paolucci, P Colling, D Rossi, B Akgun, B Donertas, IS Sciacca, C Kim, MS Azzi, P Bacchetta, N Fernandez, M Bisello, D Blumenfeld, B Bortignon, P Katsoulis, P Reed, I Bragagnolo, A Merlin, JA Jabeen, S Pereira, MAG Darwish, MR Polikarpov, S Madrazo, CF Carlin, R Checchia, P Dorigo, T Taylor, L Dosselli, U Giammanco, A Gasparini, F Corcodilos, L Kokkas, P Dauncey, P Kinnunen, R Aleksandrov, A Gasparini, U Grosso, G Siado, JE Hoh, SY Layer, L De Araujo, FTDS Lusiani, E Margoni, M Meneguzzo, AT Pazzini, J Ronchese, P Manteca, PJF Lampén, T Rout, PK Christoforou, K Davies, G Manthos, N Davis, J Jaffel, K Rossin, R Simonetto, F Strong, G Tosi, M Andreev, V Alonso, AG Pashenkov, A Yarar, H Lassila-Perini, K Zanetti, M Negra, MD Zotto, P Papadopoulos, I Zucchetta, A Eminizer, M Zumerle, G Aimè, C El Nasr-Storey, SS Lai, Y Jain, S Braghieri, A Alpana, K Calzaferri, S Fiorina, D Fayer, S Azarkin, M Montagna, P Strologas, J Goh, J Ratti, SP Gomez, G Re, V Gritsan, AV Riccardi, C Lehti, S Salvini, P Vai, I Vitulo, P Fedi, G Snow, GR Lemaitre, V Asenov, P Petrow, H Bemden, MV Bilei, GM Mills, C Dremin, I Ciangottini, D Shi, K Fanò, L Tabb, W Kyriacou, S Magherini, M Mantovani, G Hall, G Laha, A Mariani, V Menichelli, M Moscatelli, F Piccinelli, A Starling, E Yan, F Lindén, T Mondal, K Presilla, M Kirakosyan, M Rossi, A Rivero, CM Pena, C Kaur, A Maksimovic, P Santocchia, A Zecchinelli, AG Spiga, D Tedeschi, T Mundim, L Azzurri, P Csanad, M Bagliesi, G Marquez, J Bertacchi, V Bianchini, L Boccali, T Agarwal, G Liao, H Prisciandaro, J Terkulov, A Roskes, J Baron, O Bossini, E Castaldi, R Arbol, PMRD Ciocci, MA Andreev, Y Bansal, S D’Amante, V Dell’Orso, R Domenico, MRD Hassanshahi, MH Donato, S Giassi, A Lotti, M Ligabue, F Matorras, F Manca, E Herwig, TC Bandyopadhyay, H Swartz, M Belyaev, A Taliercio, A Farkas, K Mandorli, G Figueiredo, DM Psallidas, A Lee, Y Martikainen, L Cuevas, PM Malawski, M Messineo, A Palla, F Parolia, S Ramirez-Sanchez, G Rizzi, A Rolandi, G Vámi, TÁ Chowdhury, SR Gadallah, MMA Boos, E Hay, L Choi, J Myllymäki, M Iles, G Scribano, A Teklishyn, M Shafiei, N Spagnolo, P Tenchini, R Tonelli, G Turini, N Tkaczyk, S Venturi, A Gomez, JP Ahmad, A Ott, J Lökös, S Kellogg, RG Verdini, PG Barria, P Dubinin, M Campana, M Horvath, D Cavallari, F Tran, TT Prieels, C Re, DD Marco, ED Siikonen, H Diemoz, M Longo, E Langford, J Major, P Hervé, A Waltenberger, W Meridiani, P Organtini, G Nash, J Beyrouthy, T Pandolfi, F Lim, J Dudko, L De Wolf, EA Paramatti, R Grimault, C Quaranta, C Rahatlou, S Lyons, L Vischia, P Mandal, K Ruiz-Jimeno, A Rovelli, C Puljak, I Santanastasio, F Soffi, L Iashvili, I Dube, S Tramontano, R Amapane, N Arcidiacono, R Ershov, A Magnan, A-M Kim, TJ Argiro, S Arneodo, M Mehta, A Behera, PK Bartosik, N Bellan, R Tuominen, E Abreu, A Wertz, S Bellora, A Antequera, JB Jarry, P Biino, C Malik, S Kharchilava, A Cartiglia, N Costa, M Liko, D Pasztor, G Tuominiemi, J Covarelli, R Demaria, N Kiani, B Mikulec, I Anguiano, J Hirschauer, J McLean, C Legger, F Mariotti, C Martelli, A Alves, GA Maselli, S Migliore, E Wang, J Monteil, E Oh, G Karancsi, J Ioannou, A Monteno, M Pereira, AV Obertino, MM Ortona, G Barrera, CB Kaur, M Pacher, L Pastrone, N Goldstein, J Pelliccioni, M Nguyen, D Antchev, G Ruspa, M Hensel, C Rádl, AJ Shchelina, K Siviero, F Sola, V Gribushin, A Monk, DG Solano, A Atakisi, IO Scodellaro, L Minafra, N Vila, I Moraes, A Garcia, JMV Jayananda, MK Kailasapathy, B Milosevic, V Nayak, A Jeon, S Pekkanen, J Sonnadara, DUJ Wickramarathna, DDC Molnar, J Dharmaratna, WGD Candelise, V Liyanage, K Perera, N Awais, A Hadjiiska, R Wickramage, N Tcherniaev, E Chaudhary, G Vojinovic, M Aarrestad, TK Abbaneo, D Alimena, J Casarsa, M Kim, J Szillasi, Z Auffray, E Auzinger, G Rappoccio, S Baechler, J Baillon, P Lenzi, B Murray, M Sexton-Kennedy, E Meena, M Klyukhin, V Barney, D Bendavid, J Iaydjiev, P Williams, A Bianco, M Bocci, A Teyssier, D Caillol, C Locci, E Kim, JS Camporesi, T Bean, A Garrido, MC Wardle, N Bihan, A-CL Cerminara, G Nickel, M Chernyavskaya, N Chhibra, SS Cipriani, M Cristella, L Malcles, J Rudrabhatla, S Cossutti, F Misheva, M Alverson, G d’Enterria, D Dabrowski, A Webb, SN Ko, S David, A De Roeck, A Rogan, C Defranchis, MM Zuo, X Rold, AD Lin, Z Bialkowska, H Deile, M Dobson, M Raics, P Dünser, M Dupont, N Winterbottom, D Elliott-Peisert, A Rodozov, M Emriskova, N Kwon, H Tran, NV Thomas, L Rander, J Fallavollita, F Hall, AR Kovac, M Florent, A Trocsanyi, ZL Forthomme, L Coldham, K Franzoni, G Papavergou, I Funk, W Ricca, GD Giani, S Kello, T Gigi, D Gill, K Glege, F Shopova, M Lee, H Royon, C Behera, SC Ujvari, B Cole, JE Golutvin, I Gouskos, L Haranko, M Rosowsky, A Hegeman, J Innocente, V James, T Janot, P Barberis, E Kaspar, J Kieseler, J Komm, M Sorrentino, G Kratochwil, N Khan, A Csorgo, T Seixas, J Sahin, MÖ Salvatico, R Haddad, Y Lee, S Sultanov, G Lange, C Laurila, S Pesaresi, M Lecoq, P Lintuluoto, A Long, K Lourenço, C Kyberd, P Adzic, P Karjavine, V Maier, B Nemes, F Malgeri, L Sanders, S Vazzoler, F Mallios, S Oh, BH Mannelli, M Dimitrov, A Gülmez, E Marini, AC Meijers, F Emediato, L Ferencek, D Mersi, S Meschi, E Dogra, S Golubev, N Moortgat, F Mulders, M Han, Y Schmitz, E Orfanelli, S Orsini, L Oh, M Heath, HF Pantaleo, F Reid, ID Huh, C Perez, E Ivanov, T Hortiangtham, A Peruzzi, M Novak, T Petrilli, A Petrucciani, G Pfeiffer, A Smith, C Savoy-Navarro, A Pierini, M Kim, B Piparo, D Yi, K Nibigira, E Saha, P Maghrbi, Y Pitt, M Malbouisson, HB Qu, H Quast, T Velde, CV Rabady, D Titov, M Teles, PR Krishna, A Litov, L Racz, A Gutiérrez, GR Takaki, JDT Kirsanov, M Rovere, M Sakulin, H Salfeld-Nebgen, J Scarfi, S Oh, SB Kole, G Kim, DH Yu, GB Choudhury, S Schäfer, C Schwick, C Selvaggi, M Sharma, A Teodorescu, L Paulitsch, P Awan, MIM Li, J Pavlov, B Bylinkin, A Silva, P Ahuja, S Snoeys, W Sphicas, P Komaragiri, JR Summers, S Seo, H Tatar, K Madigan, G Monti, F Tavolaro, VR Kodolova, O Treille, D Tropea, P Beaudette, F Wang, Q Tsirou, A Van Onsem, GP Petkov, P Marzocchi, B Giljanovic, D Wanczyk, J Wozniak, KA Tuuva, T Zahid, S Zeuner, WD Yang, UK Ibarguen, HAS Caminada, L Ebrahimi, A Morse, DM Erdmann, W Warner, Z Horisberger, R Ingram, Q Dermenev, A Kumar, D Kaestli, HC Abdullin, S Kotlinski, D Bruyn, ID Dordevic, M Bonanomi, M Petrov, A Langenegger, U Missiroli, M Yoon, I Kim, GN Noehte, L Rohe, T Ristori, L Williams, J Kalbhor, P Panwar, L Brinkerhoff, A Perraguin, AB Androsov, K Backhaus, M Berger, P Liu, Z-A Calandri, A De Cosa, A Dissertori, G Uplegger, L Cheng, T Dittmar, M Jang, W Donegà, M Busson, P Caraway, B 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Keywords: | experimental particle physics |
Issue Date: | 19-Jan-2023 |
Publisher: | Springer Nature |
Citation: | Tumasyan, A. et al. for the benefit of the CMS Collaboration (2023) 'Observation of triple J/ψ meson production in proton-proton collisions', Nature Physics, 19, pp. 338–350. doi: 10.1038/s41567-022-01838-y. |
Abstract: | Copyright . Protons consist of three valence quarks, two up-quarks and one down-quark, held together by gluons and a sea of quark-antiquark pairs. Collectively, quarks and gluons are referred to as partons. In a proton-proton collision, typically only one parton of each proton undergoes a hard scattering – referred to as single-parton scattering – leaving the remainder of each proton only slightly disturbed. Here, we report the study of double- and triple-parton scatterings through the simultaneous production of three J/ψ mesons, which consist of a charm quark-antiquark pair, in proton-proton collisions recorded with the CMS experiment at the Large Hadron Collider. We observed this process – reconstructed through the decays of J/ψ mesons into pairs of oppositely charged muons – with a statistical significance above five standard deviations. We measured the inclusive fiducial cross-section to be 272+141−104(stat)±17(syst)fb, and compared it to theoretical expectations for triple-J/ψ meson production in single-, double- and triple-parton scattering scenarios. Assuming factorization of multiple hard-scattering probabilities in terms of single-parton scattering cross-sections, double- and triple-parton scattering are the dominant contributions for the measured process. |
Description: | Data availability:
Tabulated results are provided in the HEPData record for this analysis71. Release and preservation of data used by the CMS Collaboration as the basis for publications is guided by the CMS policy as stated in CMS data preservation, re-use and open access policy. Code availability:
The CMS core software is publically available at https://github.com/cms-sw/cmssw. |
URI: | https://bura.brunel.ac.uk/handle/2438/26570 |
DOI: | https://doi.org/10.1038/s41567-022-01838-y |
ISSN: | 1745-2473 |
Other Identifiers: | ORCID iDs: Joanne E. Cole https://orcid.org/0000-0001-5638-7599; Akram Khan https://orcid.org/0000-0002-4597-4402; Paul Kyberd https://orcid.org/0000-0002-7353-7090; Ivan D. Reid https://orcid.org/0000-0002-9235-779X; Liliana Teodorescu https://orcid.org/0000-0002-6974-6201. |
Appears in Collections: | Dept of Electronic and Electrical Engineering Research Papers
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