Production of prompt J/ψ meson pairs in proton-proton collisions at s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb-1. The two J/ψ mesons are fully reconstructed via their decays into μ +μ -pairs. This observation provides for the first time access to the high-transverse-momentum region of J/ψ pair production where model predictions are not yet established. The total and differential cross sections are measured in a phase space defined by the individual J/ψ transverse momentum (p TJ/ψ) and rapidity (|y J/ψ|): |y J/ψ| < 1.2 for p TJ/ψ> 6.5 GeV/c; 1.2 < |y J/ψ| < 1.43 for a p Tthreshold that scales linearly with |y J/ψ| from 6.5 to 4.5 GeV/c; and 1.43 < |y J/ψ| < 2.2 for p TJ/ψ> 4.5 GeV/c. The total cross section, assuming unpolarized prompt J/ψ pair production is 1.49 ± 0.07 (stat) ±0.13 (syst) nb. Different assumptions about the J/ψ polarization imply modifications to the cross section ranging from -31% to +27%. [Figure not available: see fulltext.]
Khachatryan, V., Sirunyan, A., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., et al. (2014). Measurement of prompt J/ψ pair production in pp collisions at s = 7 Tev. JOURNAL OF HIGH ENERGY PHYSICS, 2014(9) [10.1007/JHEP09(2014)094].
Measurement of prompt J/ψ pair production in pp collisions at s = 7 Tev
Khachatryan, V; Sirunyan, A; Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; Erö, J; Fabjan, C; Friedl, M; Frühwirth, R; Ghete, V; Hartl, C; Hörmann, N; Hrubec, J; Jeitler, M; Kiesenhofer, W; Knünz, V; Krammer, M; Krätschmer, I; Liko, D; Mikulec, I; Rabady, D; Rahbaran, B; Rohringer, H; Schöfbeck, R; Strauss, J; Taurok, A; Treberer Treberspurg, W; Waltenberger, W; Wulz, C; Mossolov, V; Shumeiko, N; Gonzalez, J; Alderweireldt, S; Bansal, M; Bansal, S; Cornelis, T; De Wolf, E; Janssen, X; Knutsson, A; Luyckx, S; Ochesanu, S; Roland, B; Rougny, R; Van De Klundert, M; Van Haevermaet, H; Van Mechelen, P; Van Remortel, N; Van Spilbeeck, A; Blekman, F; Blyweert, S; D'Hondt, J; Daci, N; Heracleous, N; Keaveney, J; Kim, T; Lowette, S; Maes, M; Olbrechts, A; Python, Q; Strom, D; Tavernier, S; Van Doninck, W; Van Mulders, P; Van Onsem, G; Villella, I; Caillol, C; Clerbaux, B; De Lentdecker, G; Dobur, D; Favart, L; Gay, A; Grebenyuk, A; Léonard, A; Mohammadi, A; Perniè, L; Reis, T; Seva, T; Thomas, L; Velde, C; Vanlaer, P; Wang, J; Adler, V; Beernaert, K; Benucci, L; Cimmino, A; Costantini, S; Crucy, S; Dildick, S; Fagot, A; Garcia, G; Mccartin, J; Rios, A; Ryckbosch, D; Diblen, S; Sigamani, M; Strobbe, N; Thyssen, F; Tytgat, M; Yazgan, E; Zaganidis, N; Basegmez, S; Beluffi, C; Bruno, G; Castello, R; Caudron, A; Ceard, L; Da Silveira, G; Delaere, C; Du Pree, T; Favart, D; Forthomme, L; Giammanco, A; Hollar, J; Jez, P; Komm, M; Lemaitre, V; Liao, J; Nuttens, C; Pagano, D; Perrini, L; Pin, A; Piotrzkowski, K; Popov, A; Quertenmont, L; Selvaggi, M; Marono, M; Garcia, J; Beliy, N; Caebergs, T; Daubie, E; Hammad, G; Aldá, W; Alves, G; Martins, M; Martins, T; Pol, M; Carvalho, W; Chinellato, J; Custódio, A; Da Costa, E; De Jesus Damiao, D; De Oliveira Martins, C; De Souza, S; Malbouisson, H; Figueiredo, D; Mundim, L; Nogima, H; Da Silva, W; Santaolalla, J; Santoro, A; Sznajder, A; Manganote, E; Pereira, A; Bernardes, C; Dias, F; Tomei, T; Gregores, E; Mercadante, P; Novaes, S; Padula, S; Aleksandrov, A; Genchev, V; Iaydjiev, P; Marinov, A; Piperov, S; Rodozov, M; Sultanov, G; Vutova, M; Dimitrov, A; Glushkov, I; Hadjiiska, R; Kozhuharov, V; Litov, L; Pavlov, B; Petkov, P; Bian, J; Chen, G; Chen, H; Chen, M; Du, R; Jiang, C; Liang, D; Liang, S; Plestina, R; Tao, J; Wang, X; Wang, Z; Asawatangtrakuldee, C; Ban, Y; Guo, Y; Li, W; Liu, S; Mao, Y; Qian, S; Teng, H; Wang, D; Zhang, L; Zou, W; Avila, C; Sierra, L; Florez, C; Gomez, J; Moreno, B; Sanabria, J; Godinovic, N; Lelas, D; Polic, D; Puljak, I; Antunovic, Z; Kovac, M; Brigljevic, V; Kadija, K; Luetic, J; Mekterovic, D; Sudic, L; Attikis, A; Mavromanolakis, G; Mousa, J; Nicolaou, C; Ptochos, F; Razis, P; Bodlak, M; Finger, M; Finger, M; Assran, Y; Kamel, A; Mahmoud, M; Radi, A; Kadastik, M; Murumaa, M; Raidal, M; Tiko, A; Eerola, P; Fedi, G; Voutilainen, M; Härkönen, J; Karimäki, V; Kinnunen, R; Kortelainen, M; Lampén, T; Lassila Perini, K; Lehti, S; Lindén, T; Luukka, P; Mäenpää, T; Peltola, T; Tuominen, E; Tuominiemi, J; Tuovinen, E; Wendland, L; Tuuva, T; Besancon, M; Couderc, F; Dejardin, M; Denegri, D; Fabbro, B; Faure, J; Favaro, C; Ferri, F; Ganjour, S; Givernaud, A; Gras, P; De Monchenault, G; Jarry, P; Locci, E; Malcles, J; Rander, J; Rosowsky, A; Titov, M; Baffioni, S; Beaudette, F; Busson, P; Charlot, C; Dahms, T; Dalchenko, M; Dobrzynski, L; Filipovic, N; Florent, A; De Cassagnac, R; Mastrolorenzo, L; Miné, P; Mironov, C; Naranjo, I; Nguyen, M; Ochando, C; Paganini, P; Salerno, R; Sauvan, J; Sirois, Y; Veelken, C; Yilmaz, Y; Zabi, A; Agram, J; Andrea, J; Aubin, A; Bloch, D; Brom, J; Chabert, E; Collard, C; Conte, E; Fontaine, J; Gelé, D; Goerlach, U; Goetzmann, C; Le Bihan, A; Van Hove, P; Gadrat, S; Beauceron, S; Beaupere, N; Boudoul, G; Brochet, S; Montoya, C; Chasserat, J; Chierici, R; Contardo, D; Depasse, P; El Mamouni, H; Fan, J; Fay, J; Gascon, S; Gouzevitch, M; Ille, B; Kurca, T; Lethuillier, M; Mirabito, L; Perries, S; Alvarez, J; Sabes, D; Sgandurra, L; Sordini, V; Donckt, M; Verdier, P; Viret, S; Xiao, H; Tsamalaidze, Z; Autermann, C; Beranek, S; Bontenackels, M; Edelhoff, M; Feld, L; Hindrichs, O; Klein, K; Ostapchuk, A; Perieanu, A; Raupach, F; Sammet, J; Schael, S; Weber, H; Wittmer, B; Zhukov, V; Ata, M; Dietz Laursonn, E; Duchardt, D; Erdmann, M; Fischer, R; Güth, A; Hebbeker, T; Heidemann, C; Hoepfner, K; Klingebiel, D; Knutzen, S; Kreuzer, P; Merschmeyer, M; Meyer, A; Olschewski, M; Padeken, K; Papacz, P; Reithler, H; Schmitz, S; Sonnenschein, L; Teyssier, D; Thüer, S; Weber, M; Cherepanov, V; Erdogan, Y; Flügge, G; Geenen, H; Geisler, M; Ahmad, W; Hoehle, F; Kargoll, B; Kress, T; Kuessel, Y; Lingemann, J; Nowack, A; Nugent, I; Perchalla, L; Pooth, O; Stahl, A; Asin, I; Bartosik, N; Behr, J; Behrenhoff, W; Behrens, U; Bell, A; Bergholz, M; Bethani, A; Borras, K; Burgmeier, A; Cakir, A; Calligaris, L; Campbell, A; Choudhury, S; Costanza, F; Pardos, C; Dooling, S; Dorland, T; Eckerlin, G; Eckstein, D; Eichhorn, T; Flucke, G; Garcia, J; Geiser, A; Gunnellini, P; Hauk, J; Hellwig, G; Hempel, M; Horton, D; Jung, H; Kalogeropoulos, A; Kasemann, M; Katsas, P; Kieseler, J; Kleinwort, C; Krücker, D; Lange, W; Leonard, J; Lipka, K; Lobanov, A; Lohmann, W; Lutz, B; Mankel, R; Marfin, I; Melzer Pellmann, I; Meyer, A; Mnich, J; Mussgiller, A; Naumann Emme, S; Nayak, A; Novgorodova, O; Nowak, F; Ntomari, E; Perrey, H; Pitzl, D; Placakyte, R; Raspereza, A; Cipriano, P; Ron, E; Sahin, M; Salfeld Nebgen, J; Saxena, P; Schmidt, R; Schoerner Sadenius, T; Schröder, M; Spannagel, S; Trevino, A; Walsh, R; Wissing, C; Martin, M; Blobel, V; Vignali, M; Erfle, J; Garutti, E; Goebel, K; Görner, M; Haller, J; Hoffmann, M; Höing, R; Kirschenmann, H; Klanner, R; Kogler, R; Lange, J; Lapsien, T; Lenz, T; Marchesini, I; Ott, J; Peiffer, T; Pietsch, N; Rathjens, D; Sander, C; Schettler, H; Schleper, P; Schlieckau, E; Schmidt, A; Seidel, M; Sibille, J; Sola, V; Stadie, H; Steinbrück, G; Troendle, D; Usai, E; Vanelderen, L; Barth, C; Baus, C; Berger, J; Böser, C; Butz, E; Chwalek, T; De Boer, W; Descroix, A; Dierlamm, A; Feindt, M; Frensch, F; Giffels, M; Hartmann, F; Hauth, T; Husemann, U; Katkov, I; Kornmayer, A; Kuznetsova, E; Pardo, P; Mozer, M; Müller, T; Nürnberg, A; Quast, G; Rabbertz, K; Ratnikov, F; Röcker, S; Simonis, H; Stober, F; Ulrich, R; Wagner Kuhr, J; Wayand, S; Weiler, T; Wolf, R; Anagnostou, G; Daskalakis, G; Geralis, T; Giakoumopoulou, V; Kyriakis, A; Loukas, D; Markou, A; Markou, C; Psallidas, A; Topsis Giotis, I; Panagiotou, A; Saoulidou, N; Stiliaris, E; Aslanoglou, X; Evangelou, I; Flouris, G; Foudas, C; Kokkas, P; Manthos, N; Papadopoulos, I; Paradas, E; Bencze, G; Hajdu, C; Hidas, P; Horvath, D; Sikler, F; Veszpremi, V; Vesztergombi, G; Zsigmond, A; Beni, N; Czellar, S; Karancsi, J; Molnar, J; Palinkas, J; Szillasi, Z; Raics, P; Trocsanyi, Z; Ujvari, B; Swain, S; Beri, S; Bhatnagar, V; Dhingra, N; Gupta, R; Bhawandeep, U; Kalsi, A; Kaur, M; Mittal, M; Nishu, N; Singh, J; Kumar, A; Kumar, A; Ahuja, S; Bhardwaj, A; Choudhary, B; Kumar, A; Malhotra, S; Naimuddin, M; Ranjan, K; Sharma, V; Banerjee, S; Bhattacharya, S; Chatterjee, K; Dutta, S; Gomber, B; Jain, S; Jain, S; Khurana, R; Modak, A; Mukherjee, S; Roy, D; Sarkar, S; Sharan, M; Abdulsalam, A; Dutta, D; Kailas, S; Kumar, V; Mohanty, A; Pant, L; Shukla, P; Topkar, A; Aziz, T; Banerjee, S; Chatterjee, R; Dewanjee, R; Dugad, S; Ganguly, S; Ghosh, S; Guchait, M; Gurtu, A; Kole, G; Kumar, S; Maity, M; Majumder, G; Mazumdar, K; Mohanty, G; Parida, B; Sudhakar, K; Wickramage, N; Bakhshiansohi, H; Behnamian, H; Etesami, S; Fahim, A; Goldouzian, R; Jafari, A; Khakzad, M; Najafabadi, M; Naseri, M; Mehdiabadi, S; Safarzadeh, B; Zeinali, M; Felcini, M; Grunewald, M; Abbrescia, M; Barbone, L; Calabria, C; Chhibra, S; Colaleo, A; Creanza, D; De Filippis, N; De Palma, M; Fiore, L; Iaselli, G; Maggi, G; Maggi, M; My, S; Nuzzo, S; Pompili, A; Pugliese, G; Radogna, R; Selvaggi, G; Silvestris, L; Singh, G; Venditti, R; Verwilligen, P; Zito, G; Abbiendi, G; Benvenuti, A; Bonacorsi, D; Braibant Giacomelli, S; Brigliadori, L; Campanini, R; Capiluppi, P; Castro, A; Cavallo, F; Codispoti, G; Cuffiani, M; Dallavalle, G; Fabbri, F; Fanfani, A; Fasanella, D; Giacomelli, P; Grandi, C; Guiducci, L; Marcellini, S; Masetti, G; Montanari, A; Navarria, F; Perrotta, A; Primavera, F; Rossi, A; Rovelli, T; Siroli, G; Tosi, N; Travaglini, R; Albergo, S; Cappello, G; Chiorboli, M; Costa, S; Giordano, F; Potenza, R; Tricomi, A; Tuve, C; Barbagli, G; Ciulli, V; Civinini, C; D'Alessandro, R; Focardi, E; Gallo, E; Gonzi, S; Gori, V; Lenzi, P; Meschini, M; Paoletti, S; Sguazzoni, G; Tropiano, A; Benussi, L; Bianco, S; Fabbri, F; Piccolo, D; Ferro, F; Vetere, M; Robutti, E; Tosi, S; DINARDO, MAURO EMANUELE ;FIORENDI, SARA ;Gennai, S; GEROSA, RAFFAELE ANGELO ;GHEZZI, ALESSIO ;GOVONI, PIETRO ;LUCCHINI, MARCO TOLIMAN ;Malvezzi, S; MANZONI, RICCARDO ANDREA ;MARTELLI, ARABELLA ;MARZOCCHI, BADDER ;Menasce, D; MORONI, LUIGI ;PAGANONI, MARCO ;Pedrini, D; RAGAZZI, STEFANO ;Redaelli, N; TABARELLI DE FATIS, TOMMASO ;Buontempo, S; Cavallo, N; Di Guida, S; Fabozzi, F; Iorio, A; Lista, L; Meola, S; Merola, M; Paolucci, P; Bellato, M; Bisello, D; Branca, A ;Carlin, R; Checchia, P; Dall'Osso, M; Dorigo, T; Dosselli, U; Galanti, M; Gasparini, F; Gasparini, U; Giubilato, P; Gonella, F; Gozzelino, A; Kanishchev, K; Lacaprara, S; Margoni, M; Meneguzzo, A; Montecassiano, F; Pazzini, J; Pozzobon, N; Ronchese, P; Simonetto, F; Torassa, E; Tosi, M; Zotto, P; Zucchetta, A; Gabusi, M; Ratti, S; Riccardi, C; Salvini, P; Vitulo, P; Biasini, M; Bilei, G; Ciangottini, D; Fanò, L; Lariccia, P; Mantovani, G; Menichelli, M; Romeo, F; Saha, A; Santocchia, A; Spiezia, A; Androsov, K; Azzurri, P; Bagliesi, G; Bernardini, J; Boccali, T; Broccolo, G; Castaldi, R; Ciocci, M; Dell'Orso, R; Donato, S; Fiori, F; Foà, L; Giassi, A; Grippo, M; Ligabue, F; Lomtadze, T; Martini, L; Messineo, A; Moon, C; Palla, F; Rizzi, A; Savoy Navarro, A; Serban, A; Spagnolo, P; Squillacioti, P; Tenchini, R; Tonelli, G; Venturi, A; Verdini, P; Vernieri, C; Barone, L; Cavallari, F; Del Re, D; Diemoz, M; Grassi, M; Jorda, C; Longo, E; Margaroli, F; Meridiani, P; Micheli, F; Nourbakhsh, S; Organtini, G; Paramatti, R; Rahatlou, S; Rovelli, C; Santanastasio, F; Soffi, L; Traczyk, P; Amapane, N; Arcidiacono, R; Argiro, S; Arneodo, M; Bellan, R; Biino, C; Cartiglia, N; Casasso, S; Costa, M; Degano, A; Demaria, N; Finco, L; Mariotti, C; Maselli, S; Migliore, E; Monaco, V; Musich, M; Obertino, M; Ortona, G; Pacher, L; Pastrone, N; Pelliccioni, M; Angioni, G; Potenza, A; Romero, A; Ruspa, M; Sacchi, R; Solano, A; Staiano, A; Tamponi, U; Belforte, S; Candelise, V; Casarsa, M; Cossutti, F; Ricca, G; Gobbo, B; La Licata, C; Marone, M; Montanino, D; Schizzi, A; Umer, T; Zanetti, A; Chang, S; Kropivnitskaya, A; Nam, S; Kim, D; Kim, G; Kim, M; Kong, D; Lee, S; Oh, Y; Park, H; Sakharov, A; Son, D; Kim, J; Song, S; Choi, S; Gyun, D; Hong, B; Jo, M; Kim, H; Kim, Y; Lee, B; Lee, K; Park, S; Roh, Y; Choi, M; Kim, J; Park, I; Park, S; Ryu, G; Ryu, M; Choi, Y; Choi, Y; Goh, J; Kwon, E; Lee, J; Seo, H; Yu, I; Juodagalvis, A; Komaragiri, J; Castilla Valdez, H; De La Cruz Burelo, E; La Cruz, I; Lopez Fernandez, R; Sanchez Hernandez, A; Moreno, S; Valencia, F; Pedraza, I; Ibarguen, H; Linares, E; Pineda, A; Krofcheck, D; Butler, P; Reucroft, S; Ahmad, A; Ahmad, M; Hassan, Q; Hoorani, H; Khalid, S; Khan, W; Khurshid, T; Shah, M; Shoaib, M; Bialkowska, H; Bluj, M; Boimska, B; Frueboes, T; Górski, M; Kazana, M; Nawrocki, K; Romanowska Rybinska, K; Szleper, M; Zalewski, P; Brona, G; Bunkowski, K; Cwiok, M; Dominik, W; Doroba, K; Kalinowski, A; Konecki, M; Krolikowski, J; Misiura, M; Olszewski, M; Wolszczak, W; Bargassa, P; Da Cruz E. Silva, C; Faccioli, P; Parracho, P; Gallinaro, M; Nguyen, F; Antunes, J; Seixas, J; Varela, J; Vischia, P; Afanasiev, S; Golutvin, I; Karjavin, V; Konoplyanikov, V; Korenkov, V; Lanev, A; Malakhov, A; Matveev, V; Mitsyn, V; Moisenz, P; Palichik, V; Perelygin, V; Shmatov, S; Skatchkov, N; Smirnov, V; Tikhonenko, E; Yuldashev, B; Zarubin, A; Golovtsov, V; Ivanov, Y; Kim, V; Levchenko, P; Murzin, V; Oreshkin, V; Smirnov, I; Sulimov, V; Uvarov, L; Vavilov, S; Vorobyev, A; Vorobyev, A; Andreev, Y; Dermenev, A; Gninenko, S; Golubev, N; Kirsanov, M; Krasnikov, N; Pashenkov, A; Tlisov, D; Toropin, A; Epshteyn, V; Gavrilov, V; Lychkovskaya, N; Popov, V; Safronov, G; Semenov, S; Spiridonov, A; Stolin, V; Vlasov, E; Zhokin, A; Andreev, V; Azarkin, M; Dremin, I; Kirakosyan, M; Leonidov, A; Mesyats, G; Rusakov, S; Vinogradov, A; Belyaev, A; Boos, E; Dubinin, M; Dudko, L; Ershov, A; Gribushin, A; Klyukhin, V; Kodolova, O; Lokhtin, I; Obraztsov, S; Petrushanko, S; Savrin, V; Snigirev, A; Azhgirey, I; Bayshev, I; Bitioukov, S; Kachanov, V; Kalinin, A; Konstantinov, D; Krychkine, V; Petrov, V; Ryutin, R; Sobol, A; Tourtchanovitch, L; Troshin, S; Tyurin, N; Uzunian, A; Volkov, A; Adzic, P; Dordevic, M; Ekmedzic, M; Milosevic, J; Maestre, J; Battilana, C; Calvo, E; Cerrada, M; Llatas, M; Colino, N; De La Cruz, B; Peris, A; Vázquez, D; Del Valle, A; Bedoya, C; Ramos, J; Flix, J; Fouz, M; Garcia Abia, P; Lopez, O; Lopez, S; Hernandez, J; Josa, M; Merino, G; De Martino, E; Yzquierdo, A; Pelayo, J; Olmeda, A; Redondo, I; Romero, L; Soares, M; Albajar, C; De Trocóniz, J; Missiroli, M; Brun, H; Cuevas, J; Menendez, J; Folgueras, S; Caballero, I; Iglesias, L; Cifuentes, J; Cabrillo, I; Calderon, A; Campderros, J; Fernandez, M; Gomez, G; Graziano, A; Virto, A; Marco, J; Marco, R; Rivero, C; Matorras, F; Sanchez, F; Gomez, J; Rodrigo, T; Rodríguez Marrero, A; Ruiz Jimeno, A; Scodellaro, L; Vila, I; Cortabitarte, R; Abbaneo, D; Auffray, E; Auzinger, G; Bachtis, M; Baillon, P; Ball, A; Barney, D; Benaglia, A; Bendavid, J; Benhabib, L; Benitez, J; Bernet, C; Bianchi, G; Bloch, P; Bocci, A; Bonato, A; Bondu, O; Botta, C; Breuker, H; Camporesi, T; Cerminara, G; Colafranceschi, S; D'Alfonso, M; D'Enterria, D; Dabrowski, A; David, A; De Guio, F ;De Roeck, A; De Visscher, S; Dobson, M; Dupont Sagorin, N; Elliott Peisert, A; Eugster, J; Franzoni, G; Funk, W; Gigi, D; Gill, K; Giordano, D; Girone, M; Glege, F; Guida, R; Gundacker, S; Guthoff, M; Hammer, J; Hansen, M; Harris, P; Hegeman, J; Innocente, V; Janot, P; Kousouris, K; Krajczar, K; Lecoq, P; Lourenço, C; Magini, N; Malgeri, L; Mannelli, M; Marrouche, J; Masetti, L; Meijers, F; Mersi, S; Meschi, E; Moortgat, F; Morovic, S; Mulders, M; Musella, P; Orsini, L; Pape, L; Perez, E; Perrozzi, L; Petrilli, A; Petrucciani, G; Pfeiffer, A; Pierini, M; Pimiä, M; Piparo, D; Plagge, M; Racz, A; Rolandi, G; Rovere, M; Sakulin, H; Schäfer, C; Schwick, C; Sekmen, S; Sharma, A; Siegrist, P; Silva, P; Simon, M; Sphicas, P; Spiga, D; Steggemann, J; Stieger, B; Stoye, M; Treille, D; Tsirou, A; Veres, G; Vlimant, J; Wardle, N; Wöhri, H; Zeuner, W; Bertl, W; Deiters, K; Erdmann, W; Horisberger, R; Ingram, Q; Kaestli, H; König, S; Kotlinski, D; Langenegger, U; Renker, D; Rohe, T; Bachmair, F; Bäni, L; Bianchini, L; Bortignon, P; Buchmann, M; Casal, B; Chanon, N; Deisher, A; Dissertori, G; Dittmar, M; Donegà, M; Dünser, M; Eller, P; Grab, C; Hits, D; Lustermann, W; Mangano, B; Marini, A; Del Arbol, P; Meister, D; Mohr, N; Nägeli, C; Nessi Tedaldi, F; Pandolfi, F; Pauss, F; Peruzzi, M; Quittnat, M; Rebane, L; Rossini, M; Starodumov, A; Takahashi, M; Theofilatos, K; Wallny, R; Weber, H; Amsler, C; Canelli, M; Chiochia, V; De Cosa, A; Hinzmann, A; Hreus, T; Kilminster, B; Mejias, B; Ngadiuba, J; Robmann, P; Ronga, F; Snoek, H; Taroni, S; Verzetti, M; Yang, Y; Cardaci, M; Chen, K; Ferro, C; Kuo, C; Lin, W; Lu, Y; Volpe, R; Yu, S; Chang, P; Chang, Y; Chang, Y; Chao, Y; Chen, K; Chen, P; Dietz, C; Grundler, U; Hou, W; Kao, K; Lei, Y; Liu, Y; Lu, R; Majumder, D; Petrakou, E; Tzeng, Y; Wilken, R; Asavapibhop, B; Srimanobhas, N; Suwonjandee, N; Adiguzel, A; Bakirci, M; Cerci, S; Dozen, C; Dumanoglu, I; Eskut, E; Girgis, S; Gokbulut, G; Gurpinar, E; Hos, I; Kangal, E; Topaksu, A; Onengut, G; Ozdemir, K; Ozturk, S; Polatoz, A; Sogut, K; Cerci, D; Tali, B; Topakli, H; Vergili, M; Akin, I; Bilin, B; Bilmis, S; Gamsizkan, H; Karapinar, G; Ocalan, K; Surat, U; Yalvac, M; Zeyrek, M; Gülmez, E; Isildak, B; Kaya, M; Kaya, O; Bahtiyar, H; Barlas, E; Cankocak, K; Vardarli, F; Yücel, M; Levchuk, L; Sorokin, P; Brooke, J; Clement, E; Cussans, D; Flacher, H; Frazier, R; Goldstein, J; Grimes, M; Heath, G; Heath, H; Jacob, J; Kreczko, L; Lucas, C; Meng, Z; Newbold, D; Paramesvaran, S; Poll, A; Senkin, S; Smith, V; Williams, T; Bell, K; Belyaev, A; Brew, C; Brown, R; Cockerill, D; Coughlan, J; Harder, K; Harper, S; Olaiya, E; Petyt, D; Shepherd Themistocleous, C; Thea, A; Tomalin, I; Womersley, W; Worm, S; Baber, M; Bainbridge, R; Buchmuller, O; Burton, D; Colling, D; Cripps, N; Cutajar, M; Dauncey, P; Davies, G; Negra, M; Dunne, P; Ferguson, W; Fulcher, J; Futyan, D; Gilbert, A; Hall, G; Iles, G; Jarvis, M; Karapostoli, G; Kenzie, M; Lane, R; Lucas, R; Lyons, L; Magnan, A; Malik, S; Mathias, B; Nash, J; Nikitenko, A; Pela, J; Pesaresi, M; Petridis, K; Raymond, D; Rogerson, S; Rose, A; Seez, C; Sharp, P; Tapper, A; Acosta, M; Virdee, T; Cole, J; Hobson, P; Khan, A; Kyberd, P; Leggat, D; Leslie, D; Martin, W; Reid, I; Symonds, P; Teodorescu, L; Turner, M; Dittmann, J; Hatakeyama, K; Kasmi, A; Liu, H; Scarborough, T; Charaf, O; Cooper, S; Henderson, C; Rumerio, P; Avetisyan, A; Bose, T; Fantasia, C; Heister, A; Lawson, P; Richardson, C; Rohlf, J; Sperka, D; John, J; Sulak, L; Alimena, J; Berry, E; Bhattacharya, S; Christopher, G; Cutts, D; Demiragli, Z; Ferapontov, A; Garabedian, A; Heintz, U; Jabeen, S; Kukartsev, G; Laird, E; Landsberg, G; Luk, M; Narain, M; Segala, M; Sinthuprasith, T; Speer, T; Swanson, J; Breedon, R; Breto, G; De La Barca Sanchez, M; Chauhan, S; Chertok, M; Conway, J; Conway, R; Cox, P; Erbacher, R; Gardner, M; Ko, W; Lander, R; Miceli, T; Mulhearn, M; Pellett, D; Pilot, J; Ricci Tam, F; Searle, M; Shalhout, S; Smith, J; Squires, M; Stolp, D; Tripathi, M; Wilbur, S; Yohay, R; Cousins, R; Everaerts, P; Farrell, C; Hauser, J; Ignatenko, M; Rakness, G; Takasugi, E; Valuev, V; Weber, M; Babb, J; Burt, K; Clare, R; Ellison, J; Gary, J; Hanson, G; Heilman, J; Rikova, M; Jandir, P; Kennedy, E; Lacroix, F; Liu, H; Long, O; Luthra, A; Malberti, M; Nguyen, H; Shrinivas, A; Sumowidagdo, S; Wimpenny, S; Andrews, W; Branson, J; Cerati, G; Cittolin, S; D'Agnolo, R; Evans, D; Holzner, A; Kelley, R; Klein, D; Lebourgeois, M; Letts, J; Macneill, I; Olivito, D; Padhi, S; Palmer, C; Pieri, M; Sani, M; Sharma, V; Simon, S; Sudano, E; Tadel, M; Tu, Y; Vartak, A; Welke, C; Würthwein, F; Yagil, A; Yoo, J; Barge, D; Bradmiller Feld, J; Campagnari, C; Danielson, T; Dishaw, A; Flowers, K; Sevilla, M; Geffert, P; George, C; Golf, F; Gouskos, L; Incandela, J; Justus, C; Mccoll, N; Richman, J; Stuart, D; To, W; West, C; Apresyan, A; Bornheim, A; Bunn, J; Chen, Y; Di Marco, E; Duarte, J; Mott, A; Newman, H; Pena, C; Rogan, C; Spiropulu, M; Timciuc, V; Wilkinson, R; Xie, S; Zhu, R; Azzolini, V; Calamba, A; Ferguson, T; Iiyama, Y; Paulini, M; Russ, J; Vogel, H; Vorobiev, I; Cumalat, J; Drell, B; Ford, W; Gaz, A; Lopez, E; Nauenberg, U; Smith, J; Stenson, K; Ulmer, K; Wagner, S; Alexander, J; Chatterjee, A; Chu, J; Dittmer, S; Eggert, N; Mirman, N; Kaufman, G; Patterson, J; Ryd, A; Salvati, E; Skinnari, L; Sun, W; Teo, W; Thom, J; Thompson, J; Tucker, J; Weng, Y; Winstrom, L; Wittich, P; Winn, D; Abdullin, S; Albrow, M; Anderson, J; Apollinari, G; Bauerdick, L; Beretvas, A; Berryhill, J; Bhat, P; Burkett, K; Butler, J; Cheung, H; Chlebana, F; Cihangir, S; Elvira, V; Fisk, I; Freeman, J; Gottschalk, E; Gray, L; Green, D; Grünendahl, S; Gutsche, O; Hanlon, J; Hare, D; Harris, R; Hirschauer, J; Hooberman, B; Jindariani, S; Johnson, M; Joshi, U; Kaadze, K; Klima, B; Kreis, B; Kwan, S; Linacre, J; Lincoln, D; Lipton, R; Liu, T; Lykken, J; Maeshima, K; Marraffino, J; Outschoorn, V; Maruyama, S; Mason, D; Mcbride, P; Mishra, K; Mrenna, S; Musienko, Y; Nahn, S; Newman Holmes, C; O'Dell, V; Prokofyev, O; Sexton Kennedy, E; Sharma, S; Soha, A; Spalding, W; Spiegel, L; Taylor, L; Tkaczyk, S; Tran, N; Uplegger, L; Vaandering, E; Vidal, R; Whitbeck, A; Whitmore, J; Yang, F; Acosta, D; Avery, P; Bourilkov, D; Carver, M; Cheng, T; Curry, D; Das, S; De Gruttola, M; Di Giovanni, G; Field, R; Fisher, M; Furic, I; Hugon, J; Konigsberg, J; Korytov, A; Kypreos, T; Low, J; Matchev, K; Milenovic, P; Mitselmakher, G; Muniz, L; Rinkevicius, A; Shchutska, L; Skhirtladze, N; Snowball, M; Yelton, J; Zakaria, M; Hewamanage, S; Linn, S; Markowitz, P; Martinez, G; Rodriguez, J; Adams, T; Askew, A; Bochenek, J; Diamond, B; Haas, J; Hagopian, S; Hagopian, V; Johnson, K; Prosper, H; Veeraraghavan, V; Weinberg, M; Baarmand, M; Hohlmann, M; Kalakhety, H; Yumiceva, F; Adams, M; Apanasevich, L; Bazterra, V; Berry, D; Betts, R; Bucinskaite, I; Cavanaugh, R; Evdokimov, O; Gauthier, L; Gerber, C; Hofman, D; Khalatyan, S; Kurt, P; Moon, D; O'Brien, C; Silkworth, C; Turner, P; Varelas, N; Albayrak, E; Bilki, B; Clarida, W; Dilsiz, K; Duru, F; Haytmyradov, M; Merlo, J; Mermerkaya, H; Mestvirishvili, A; Moeller, A; Nachtman, J; Ogul, H; Onel, Y; Ozok, F; Penzo, A; Rahmat, R; Sen, S; Tan, P; Tiras, E; Wetzel, J; Yetkin, T; Yi, K; Barnett, B; Blumenfeld, B; Bolognesi, S; Fehling, D; Gritsan, A; Maksimovic, P; Martin, C; Swartz, M; Baringer, P; Bean, A; Benelli, G; Bruner, C; Gray, J; Kenny, R; Malek, M; Murray, M; Noonan, D; Sanders, S; Sekaric, J; Stringer, R; Wang, Q; Wood, J; Barfuss, A; Chakaberia, I; Ivanov, A; Khalil, S; Makouski, M; Maravin, Y; Saini, L; Shrestha, S; Svintradze, I; Gronberg, J; Lange, D; Rebassoo, F; Wright, D; Baden, A; Calvert, B; Eno, S; Gomez, J; Hadley, N; Kellogg, R; Kolberg, T; Lu, Y; Marionneau, M; Mignerey, A; Pedro, K; Skuja, A; Tonjes, M; Tonwar, S; Apyan, A; Barbieri, R; Bauer, G; Busza, W; Cali, I; Chan, M; Di Matteo, L; Dutta, V; Ceballos, G; Goncharov, M; Gulhan, D; Klute, M; Lai, Y; Lee, Y; Levin, A; Luckey, P; Ma, T; Paus, C; Ralph, D; Roland, C; Roland, G; Stephans, G; Stöckli, F; Sumorok, K; Velicanu, D; Veverka, J; Wyslouch, B; Yang, M; Zanetti, M; Zhukova, V; Dahmes, B; Gude, A; Kao, S; Klapoetke, K; Kubota, Y; Mans, J; Pastika, N; Rusack, R; Singovsky, A; Tambe, N; Turkewitz, J; Acosta, J; Oliveros, S; Avdeeva, E; Bloom, K; Bose, S; Claes, D; Dominguez, A; Suarez, R; Keller, J; Knowlton, D; Kravchenko, I; Lazo Flores, J; Malik, S; Meier, F; Snow, G; Dolen, J; Godshalk, A; Iashvili, I; Kharchilava, A; Kumar, A; Rappoccio, S; Alverson, G; Barberis, E; Baumgartel, D; Chasco, M; Haley, J; Massironi, A ;Morse, D; Nash, D; Orimoto, T; Trocino, D; Wang, R; Wood, D; Zhang, J; Hahn, K; Kubik, A; Mucia, N; Odell, N; Pollack, B; Pozdnyakov, A; Schmitt, M; Stoynev, S; Sung, K; Velasco, M; Won, S; Brinkerhoff, A; Chan, K; Drozdetskiy, A; Hildreth, M; Jessop, C; Karmgard, D; Kellams, N; Lannon, K; Luo, W; Lynch, S; Marinelli, N; Pearson, T; Planer, M; Ruchti, R; Valls, N; Wayne, M; Wolf, M; Woodard, A; Antonelli, L; Brinson, J; Bylsma, B; Durkin, L; Flowers, S; Hill, C; Hughes, R; Kotov, K; Ling, T; Puigh, D; Rodenburg, M; Smith, G; Vuosalo, C; Winer, B; Wolfe, H; Wulsin, H; Driga, O; Elmer, P; Hebda, P; Hunt, A; Koay, S; Lujan, P; Marlow, D; Medvedeva, T; Mooney, M; Olsen, J; Piroué, P; Quan, X; Saka, H; Stickland, D; Tully, C; Werner, J; Zenz, S; Zuranski, A; Brownson, E; Mendez, H; Vargas, J; Alagoz, E; Barnes, V; Benedetti, D; Bolla, G; Bortoletto, D; De Mattia, M; Hu, Z; Jha, M; Jones, M; Jung, K; Kress, M; Leonardo, N; Pegna, D; Maroussov, V; Merkel, P; Miller, D; Neumeister, N; Radburn Smith, B; Shi, X; Shipsey, I; Silvers, D; Svyatkovskiy, A; Wang, F; Xie, W; Xu, L; Yoo, H; Zablocki, J; Zheng, Y; Parashar, N; Stupak, J; Adair, A; Akgun, B; Ecklund, K; Geurts, F; Li, W; Michlin, B; Padley, B; Redjimi, R; Roberts, J; Zabel, J; Betchart, B; Bodek, A; Covarelli, R; De Barbaro, P; Demina, R; Eshaq, Y; Ferbel, T; Garcia Bellido, A; Goldenzweig, P; Han, J; Harel, A; Khukhunaishvili, A; Miner, D; Petrillo, G; Vishnevskiy, D; Ciesielski, R; Demortier, L; Goulianos, K; Lungu, G; Mesropian, C; Arora, S; Barker, A; Chou, J; Contreras Campana, C; Contreras Campana, E; Duggan, D; Ferencek, D; Gershtein, Y; Gray, R; Halkiadakis, E; Hidas, D; Lath, A; Panwalkar, S; Park, M; Patel, R; Rekovic, V; Salur, S; Schnetzer, S; Seitz, C; Somalwar, S; Stone, R; Thomas, S; Thomassen, P; Walker, M; Rose, K; Spanier, S; York, A; Bouhali, O; Eusebi, R; Flanagan, W; Gilmore, J; Kamon, T; Khotilovich, V; Krutelyov, V; Montalvo, R; Osipenkov, I; Pakhotin, Y; Perloff, A; Roe, J; Rose, A; Safonov, A; Sakuma, T; Suarez, I; Tatarinov, A; Akchurin, N; Cowden, C; Damgov, J; Dragoiu, C; Dudero, P; Faulkner, J; Kovitanggoon, K; Kunori, S; Lee, S; Libeiro, T; Volobouev, I; Appelt, E; Delannoy, A; Greene, S; Gurrola, A; Johns, W; Maguire, C; Mao, Y; Melo, A; Sharma, M; Sheldon, P; Snook, B; Tuo, S; Velkovska, J; Arenton, M; Boutle, S; Cox, B; Francis, B; Goodell, J; Hirosky, R; Ledovskoy, A; Li, H; Lin, C; Neu, C; Wood, J; Gollapinni, S; Harr, R; Karchin, P; Don, C; Lamichhane, P; Sturdy, J; Belknap, D; Carlsmith, D; Cepeda, M; Dasu, S; Duric, S; Friis, E; Hall Wilton, R; Herndon, M; Hervé, A; Klabbers, P; Lanaro, A; Lazaridis, C; Levine, A; Loveless, R; Mohapatra, A; Ojalvo, I; Perry, T; Pierro, G; Polese, G; Ross, I; Sarangi, T; Savin, A; Smith, W; Woods, N.
2014
Abstract
Production of prompt J/ψ meson pairs in proton-proton collisions at s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb-1. The two J/ψ mesons are fully reconstructed via their decays into μ +μ -pairs. This observation provides for the first time access to the high-transverse-momentum region of J/ψ pair production where model predictions are not yet established. The total and differential cross sections are measured in a phase space defined by the individual J/ψ transverse momentum (p TJ/ψ) and rapidity (|y J/ψ|): |y J/ψ| < 1.2 for p TJ/ψ> 6.5 GeV/c; 1.2 < |y J/ψ| < 1.43 for a p Tthreshold that scales linearly with |y J/ψ| from 6.5 to 4.5 GeV/c; and 1.43 < |y J/ψ| < 2.2 for p TJ/ψ> 4.5 GeV/c. The total cross section, assuming unpolarized prompt J/ψ pair production is 1.49 ± 0.07 (stat) ±0.13 (syst) nb. Different assumptions about the J/ψ polarization imply modifications to the cross section ranging from -31% to +27%. [Figure not available: see fulltext.]
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
Sei sicuro che questo prodotto debba essere cancellato?
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande. La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 598/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.