Measurement of J/ψ production in pp collisions at s√=2.76TeV

The production of J/ψ mesons is studied with the LHCb detector using data from pp collisions at s√=2.76s=2.76 TeV corresponding to an integrated luminosity of 71 nb[superscript −1]. The differential cross-section for inclusive J/ψ production is measured as a function of its transverse momentum pT....

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Main Authors: Aaij, R., Beteta, C. A, Adametz, A., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. A, Alves, A. A, Amato, S., Amhis, Y., Anderlini, L., Anderson, J., Andreassen, R., Appleby, R. B, Gutierrez, O. A, Archilli, F., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Bachmann, S., Back, J. J, Baesso, C., Balagura, V., Baldini, W., Barlow, R. J, Barschel, C., Barsuk, S., Barter, W., Bates, A., Bauer, Th., Bay, A., Beddow, J., Bediaga, I., Belogurov, S., Belous, K., Belyaev, I., Ben-Haim, E., Benayoun, M., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bettler, M.-O., van Beuzekom, M., Bien, A., Bifani, S., Bird, T., Bizzeti, A., Bjørnstad, P. M, Blake, T., Blanc, F., Blanks, C., Blouw, J., Blusk, S., Bobrov, A., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borgia, A., Bowcock, T. J V, Bowen, E., Bozzi, C., Brambach, T., van den Brand, J., Bressieux, J., Brett, D., Britsch, M., Britton, T., Brook, N. H, Brown, H., Büchler-Germann, A., Burducea, I., Bursche, A., Buytaert, J., Cadeddu, S., Callot, O., Calvi, M., Gomez, M. C, Camboni, A., Campana, P., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carranza-Mejia, H., Carson, L., Akiba, K. C, Casse, G., Cattaneo, M., Cauet, Ch., Charles, M., Charpentier, Ph., Chen, P., Chiapolini, N., Chrzaszcz, M., Ciba, K., Vidal, X. C, Ciezarek, G., Clarke, P. E L, Clemencic, M., Cliff, H. V, Closier, J., Coca, C., Coco, V., Cogan, J., Cogneras, E., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Corti, G., Couturier, B., Cowan, G. A, Craik, D., Cunliffe, S., Currie, R., D’Ambrosio, C., David, P., David, P. N Y, De Bonis, I., De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M, De Paula, L., De Silva, W., De Simone, P., Decamp, D., Deckenhoff, M., Degaudenzi, H., Del Buono, L., Deplano, C., Derkach, D., Deschamps, O., Dettori, F., Di Canto, A., Dickens, J., Dijkstra, H., Batista, P. D, Dogaru, M., Bonal, F. D, Donleavy, S., Dordei, F., Suárez, A. D, Dossett, D., Dovbnya, A., Dupertuis, F., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., van Eijk, D., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., El Rifai, I., Elsasser, Ch., Elsby, D., Falabella, A., Färber, C., Fardell, G., Farinelli, C., Farry, S., Fave, V., Ferguson, D., Albor, V. F, Rodrigues, F. F, Ferro-Luzzi, M., Filippov, S., Fitzpatrick, C., Fontana, M., Fontanelli, F., Forty, R., Francisco, O., Frank, M., Frei, C., Frosini, M., Furcas, S., Furfaro, E., Torreira, A. G, Galli, D., Gandelman, M., Gandini, P., Gao, Y., Garofoli, J., Garosi, P., Tico, J. G, Garrido, L., Gaspar, C., Gauld, R., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gibson, V., Gligorov, V. V, Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gordon, H., Gándara, M. G, Diaz, R. G, Cardoso, L. A G, Graugés, E., Graziani, G., Grecu, A., Greening, E., Gregson, S., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C, Hall, S., Hampson, T., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T, Harrison, J., Harrison, P. F, Hartmann, T., He, J., Heijne, V., Hennessy, K., Henrard, P., Morata, J. A H, van Herwijnen, E., Hicks, E., Hill, D., Hoballah, M., Hombach, C., Hopchev, P., Hulsbergen, W., Hunt, P., Huse, T., Hussain, N., Hutchcroft, D., Hynds, D., Iakovenko, V., Ilten, P., Imong, J., Jacobsson, R., Jaeger, A., Jans, E., Jansen, F., Jaton, P., Jing, F., John, M., Johnson, D., Jones, C. R, Jost, B., Kaballo, M., Kandybei, S., Karacson, M., Karbach, T. M, Kenyon, I. R, Kerzel, U., Ketel, T., Keune, A., Khanji, B., Kochebina, O., Komarov, I., Koopman, R. F, Koppenburg, P., Korolev, M., Kozlinskiy, A., Kravchuk, L., Kreplin, K., Kreps, M., Krocker, G., Krokovny, P., Kruse, F., Kucharczyk, M., Kudryavtsev, V., Kvaratskheliya, T., La Thi, V. N, Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lambert, R. W, Lanciotti, E., Lanfranchi, G., Langenbruch, C., Latham, T., Lazzeroni, C., Le Gac, R., van Leerdam, J., Lees, J.-P., Lefèvre, R., Leflat, A., Lefrançois, J., Leroy, O., Li, Y., Gioi, L. L, Liles, M., Lindner, R., Linn, C., Liu, B., Liu, G., von Loeben, J., Lopes, J. H, Asamar, E. L, Lopez-March, N., Lu, H., Luisier, J., Luo, H., Raighne, A. M, Machefert, F., Machikhiliyan, I. V, Maciuc, F., Maev, O., Malde, S., Manca, G., Mancinelli, G., Mangiafave, N., Marconi, U., Märki, R., Marks, J., Martellotti, G., Martens, A., Martin, L., Sánchez, A. M, Martinelli, M., Santos, D. M, Tostes, D. M, Massafferri, A., Matev, R., Mathe, Z., Matteuzzi, C., Matveev, M., Maurice, E., Mazurov, A., McCarthy, J., McNulty, R., Meadows, B., Meier, F., Meissner, M., Merk, M., Milanes, D. A, Minard, M.-N., Rodriguez, J. M, Monteil, S., Moran, D., Morawski, P., Mountain, R., Mous, I., Muheim, F., Müller, K., Muresan, R., Muryn, B., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nasteva, I., Needham, M., Neufeld, N., Nguyen, A. D, Nguyen, T. D, Nguyen-Mau, C., Nicol, M., Niess, V., Niet, R., Nikitin, N., Nikodem, T., Nisar, S., Nomerotski, A., Novoselov, A., Oblakowska-Mucha, A., Obraztsov, V., Oggero, S., Ogilvy, S., Okhrimenko, O., Oldeman, R., Orlandea, M., Goicochea, J. M O, Owen, P., Pal, B. K, Palano, A., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Parkes, C., Parkinson, C. J, Passaleva, G., Patel, G. D, Patel, M., Patrick, G. N, Patrignani, C., Pavel-Nicorescu, C., Alvarez, A. P, Pellegrino, A., Penso, G., Altarelli, M. P, Perazzini, S., Perego, D. L, Trigo, E. P, Yzquierdo, A. P, Perret, P., Perrin-Terrin, M., Pessina, G., Petridis, K., Petrolini, A., Phan, A., Olloqui, E. P, Pietrzyk, B., Pilař, T., Pinci, D., Playfer, S., Casasus, M. P, Polci, F., Polok, G., Poluektov, A., Polycarpo, E., Popov, D., Popovici, B., Potterat, C., Powell, A., Prisciandaro, J., Pugatch, V., Navarro, A. P, Qian, W., Rademacker, J. H, Rakotomiaramanana, B., Rangel, M. S, Raniuk, I., Rauschmayr, N., Raven, G., Redford, S., Reid, M. M, dos Reis, A. C, Ricciardi, S., Richards, A., Rinnert, K., Molina, V. R, Romero, D. A R, Robbe, P., Rodrigues, E., Perez, P. R, Rogers, G. J, Roiser, S., Romanovsky, V., Vidal, A. R, Rouvinet, J., Ruf, T., Ruiz, H., Sabatino, G., Silva, J. J S, Sagidova, N., Sail, P., Saitta, B., Salzmann, C., Sedes, B. S, Sannino, M., Santacesaria, R., Rios, C. S, Santovetti, E., Sapunov, M., Sarti, A., Satriano, C., Satta, A., Savrie, M., Savrina, D., Schaack, P., Schiller, M., Schindler, H., Schleich, S., Schlupp, M., Schmelling, M., Schmidt, B., Schneider, O., Schopper, A., Schune, M.-H., Schwemmer, R., Sciascia, B., Sciubba, A., Seco, M., Semennikov, A., Senderowska, K., Sepp, I., Serra, N., Serrano, J., Seyfert, P., Shapkin, M., Shapoval, I., Shatalov, P., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, O., Shevchenko, V., Shires, A., Coutinho, R. S, Skwarnicki, T., Smith, N. A, Smith, E., Smith, M., Sobczak, K., Sokoloff, M. D, Soler, F. J P, Soomro, F., Souza, D., De Paula, B. S, Spaan, B., Sparkes, A., Spradlin, P., Stagni, F., Stahl, S., Steinkamp, O., Stoica, S., Stone, S., Storaci, B., Straticiuc, M., Straumann, U., Subbiah, V. K, Swientek, S., Syropoulos, V., Szczekowski, M., Szczypka, P., Szumlak, T., T’Jampens, S., Teklishyn, M., Teodorescu, E., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tonelli, D., Topp-Joergensen, S., Torr, N., Tournefier, E., Tourneur, S., Tran, M. T, Tresch, M., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Garcia, M. U, Ukleja, A., Urner, D., Uwer, U., Vagnoni, V., Valenti, G., Gomez, R. V, Regueiro, P. V, Vecchi, S., Velthuis, J. J, Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Vilasis-Cardona, X., Vollhardt, A., Volyanskyy, D., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., Voss, H., Waldi, R., Wallace, R., Wandernoth, S., Wang, J., Ward, D. R, Watson, N. K, Webber, A. D, Websdale, D., Whitehead, M., Wicht, J., Wiedner, D., Wiggers, L., Wilkinson, G., Williams, M. P, Wilson, F. F, Wishahi, J., Witek, M., Witzeling, W., Wotton, S. A, Wright, S., Wu, S., Wyllie, K., Xie, Y., Xing, F., Xing, Z., Yang, Z., Young, R., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, F., Zhang, L., Zhang, W. C, Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., Zvyagin, A., Williams, Michael
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:English
Published: Springer Berlin Heidelberg 2016
Online Access:http://hdl.handle.net/1721.1/105778
https://orcid.org/0000-0001-8285-3346
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Summary:The production of J/ψ mesons is studied with the LHCb detector using data from pp collisions at s√=2.76s=2.76 TeV corresponding to an integrated luminosity of 71 nb[superscript −1]. The differential cross-section for inclusive J/ψ production is measured as a function of its transverse momentum pT. The cross-section in the fiducial region 0 < pT  < 12 GeV/c and rapidity 2.0 < yy < 4.5 is measured to be 5.6 ± 0.1 (stat) ± 0.4 (syst) μb, with the assumption of unpolarised J/ψ production. The fraction of J/ψ production from b-hadron decays is measured to be (7.1 ± 0.6 (stat) ± 0.7 (syst))%.