Measurement of psi(2S) meson production in pp collisions at root s = 7 TeV

Aaij, R; Abellan Beteta, C; Adeva, B; Adinolfi, M; Adrover, C; Affolder, A; Ajaltouni, Z; Albrecht, J; Alessio, F; Alexander, M; Alkhazov, G; Alvarez Cartelle, P; Alves, A; Amato, S; Amhis, Y; Anderson, J; Appleby, R; Gutierrez, O; Archilli, F; Arrabito, L; Artamonov, A; Artuso, M; Aslanides, E; Aslanides, G; Bachmann, S; Back, J; Bailey, D; Balagura, V; Baldini, W; Barlow, R; Barschel, C; Barsuk, S; Barter, W; Bates, A; Bauer, C; Bauer, T; Bay, A; Bediaga, I; Belogurov, S; Belous, K; Belyaev, I; Ben Haim, E; Benayoun, M; Bencivenni, G; Benson, S; Benton, J; Bernet, R; Bettler, M; Null, B; Bien, A; Bifani, S; Bird, T; Bizzeti, A; Bjornstad, P; 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; Bozzi, C; Brambach, T; Null, B; Bressieux, J; Brett, D; Britsch, M; Britton, T; Brook, N; Brown, H; Null, B; Buchler Germann, A; Burducea, I; Bursche, A; Buytaert, J; Cadeddu, S; Callot, O; Calvi, M; Gomez, M; Camboni, A; Campana, P; Carbone, A; Carboni, G; Cardinale, R; Cardini, A; Carson, L; Akiba, K; Casse, G; Cattaneo, M; Cauet, C; Charles, M; Charpentier, P; Chiapolini, N; Ciba, K; Vidal, X; Ciezarek, G; Clarke, P; Clemencic, M; Cliff, H; Closier, J; Coca, C; Coco, V; Cogan, J; Collins, P; Comerma Montells, A; Constantin, F; Contu, A; Cook, A; Coombes, M; Corti, G; Couturier, B; Cowan, G; Currie, R; D'Ambrosio, C; David, P; David, P; De Bonis, I; De Capua, S; De Cian, M; De Lorenzi, F; De Miranda, J; De Paula, L; De Simone, P; Decamp, D; Deckenhoff, M; Degaudenzi, H; Del Buono, L; Deplano, C; Derkach, D; Deschamps, O; Dettori, F; Dickens, J; Dijkstra, H; Batista, P; Bonal, F; Donleavy, S; Dordei, F; Suarez, A; Dossett, D; Dovbnya, A; Dupertuis, F; Dzhelyadin, R; Dziurda, A; Easo, S; Egede, U; Egorychev, V; Eidelman, S; Null, E; Eisele, F; Eisenhardt, S; Ekelhof, R; Eklund, L; Elsasser, C; Elsby, D; Pereira, D; Falabella, A; Fanchini, E; Farber, C; Fardell, G; Farinelli, C; Farry, S; Fave, V; Albor, V; Ferro Luzzi, M; Filippov, S; Fitzpatrick, C; Fontana, M; Fontanelli, F; Forty, R; Francisco, O; Frank, M; Frei, C; Frosini, M; Furcas, S; Torreira, A; Galli, D; Gandelman, M; Gandini, P; Gao, Y; Garnier, J; Garofoli, J; Tico, J; Garrido, L; Gascon, D; Gaspar, C; Gauld, R; Gauvin, N; Gersabeck, M; Gershon, T; Ghez, P; Gibson, V; Gligorov, V; Gobel, C; Golubkov, D; Golutvin, A; Gomes, A; Gordon, H; Gandara, M; Diaz, R; Cardoso, L; Grauges, E; Graziani, G; Grecu, A; Greening, E; Gregson, S; Gui, B; Gushchin, E; Guz, Y; Gys, T; Hadjivasiliou, C; Haefeli, G; Haen, C; Haines, S; Hampson, T; Hansmann Menzemer, S; Harji, R; Harnew, N; Harrison, J; Harrison, P; Hartmann, T; He, J; Heijne, V; Hennessy, K; Henrard, P; Morata, J; Null, H; Hicks, E; Holubyev, K; Hopchev, P; Hulsbergen, W; Hunt, P; Huse, T; Huston, R; Hutchcroft, D; Hynds, D; Iakovenko, V; Ilten, P; Imong, J; Jacobsson, R; Jaeger, A; Hussein, M; Jans, E; Jansen, F; Jaton, P; Jean Marie, B; Jing, F; John, M; Johnson, D; Jones, C; Jost, B; Kaballo, M; Kandybei, S; Karacson, M; Karbach, T; Keaveney, J; Kenyon, I; Kerzel, U; Ketel, T; Keune, A; Khanji, B; Kim, Y; Knecht, M; Koopman, R; Koppenburg, P; Korolev, M; Kozlinskiy, A; Kravchuk, L; Kreplin, K; Kreps, M; Krocker, G; Krokovny, P; Kruse, F; Kruzelecki, K; Kucharczyk, M; Kvaratskheliya, T; La Thi, V; Lacarrere, D; Lafferty, G; Lai, A; Lambert, D; Lambert, R; Lanciotti, E; Lanfranchi, G; Langenbruch, C; Latham, T; Lazzeroni, C; Le Gac, R; Null, L; Lees, J; Lefevre, R; Leflat, A; Lefrancois, J; Leroy, O; Lesiak, T; Li, L; Li Gioi, L; Lieng, M; Liles, M; Lindner, R; Linn, C; Liu, B; Liu, G; Null, L; Lopes, J; Asamar, E; Lopez March, N; Lu, H; Luisier, J; Mac Raighne, A; Machefert, F; Machikhiliyan, I; Maciuc, F; Maev, O; Magnin, J; Malde, S; Mamunur, R; Manca, G; Mancinelli, G; Mangiafave, N; Marconi, U; Marki, R; Marks, J; Martellotti, G; Martens, A; Martin, L; Sanchez, A; Santos, D; Massafferri, A; Mathe, Z; Matteuzzi, C; Matveev, M; Maurice, E; Maynard, B; Mazurov, A; Mc Gregor, G; Mcnulty, R; Meissner, M; Merk, M; Merkel, J; Messi, R; Miglioranzi, S; Milanes, D; Minard, M; Rodriguez, J; Monteil, S; Moran, D; Morawski, P; Mountain, R; Mous, I; Muheim, F; Muller, K; Muresan, R; Muryn, B; Muster, B; Musy, M; Mylroie Smith, J; Naik, P; Nakada, T; Nandakumar, R; Nasteva, I; Nedos, M; Needham, M; Neufeld, N; Nguyen, A; Nguyen Mau, C; Nicol, M; Niess, V; Nikitin, N; Nomerotski, A; Novoselov, A; Oblakowska Mucha, A; Obraztsov, V; Oggero, S; Ogilvy, S; Okhrimenko, O; Oldeman, R; Orlandea, M; Goicochea, J; Owen, P; Pal, K; Palacios, J; Palano, A; Palutan, M; Panman, J; Papanestis, A; Pappagallo, M; Parkes, C; Parkinson, C; Passaleva, G; Patel, G; Patel, M; Paterson, S; Patrick, G; Patrignani, C; Pavel Nicorescu, C; Alvarez, A; Pellegrino, A; Penso, G; Altarelli, M; Perazzini, S; Perego, D; Trigo, E; Yzquierdo, A; Perret, P; Perrin Terrin, M; Pessina, G; Petrella, A; Petrolini, A; Phan, A; Olloqui, E; Valls, B; Pietrzyk, B; Pilar, T; Pinci, D; Plackett, R; Playfer, S; Casasus, M; Polok, G; Poluektov, A; Polycarpo, E; Popov, D; Popovici, B; Potterat, C; Powell, A; Prisciandaro, J; Pugatch, V; Navarro, A; Qian, W; Rademacker, J; Rakotomiaramanana, B; Rangel, M; Raniuk, I; Raven, G; Redford, S; Reid, M; Null, R; Ricciardi, S; Richards, A; Rinnert, K; Romero, D; Robbe, P; Rodrigues, E; Rodrigues, F; Perez, P; Rogers, G; Roiser, S; Romanovsky, V; Rosello, M; Rouvinet, J; Ruf, T; Ruiz, H; Sabatino, G; Silva, J; Sagidova, N; Sail, P; Saitta, B; Salzmann, C; Sannino, M; Santacesaria, R; Rios, C; Santinelli, R; Santovetti, E; Sapunov, M; Sarti, A; Satriano, C; Satta, A; Savrie, M; Savrina, D; Schaack, P; Schiller, M; Schleich, S; Schlupp, M; Schmelling, M; Schmidt, B; Schneider, O; Schopper, A; Schune, M; 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; Skwarnicki, T; Smith, N; Smith, E; Sobczak, K; Soler, F; Solomin, A; Soomro, F; De Paula, B; Spaan, B; Sparkes, A; Spradlin, P; Stagni, F; Stahl, S; Steinkamp, O; Stoica, S; Stone, S; Storaci, B; Straticiuc, M; Straumann, U; Subbiah, V; Swientek, S; Szczekowski, M; Szczypka, P; Szumlak, T; T'Jampens, S; Teodorescu, E; Teubert, F; Thomas, C; Thomas, E; Null, T; Tisserand, V; Tobin, M; Topp Joergensen, S; Torr, N; Tournefier, E; Tourneur, S; Tran, M; Tsaregorodtsev, A; Tuning, N; Garcia, M; Ukleja, A; Urquijo, P; Uwer, U; Vagnoni, V; Valenti, G; Gomez, R; Regueiro, P; Vecchi, S; Velthuis, J; Veltri, M; Viaud, B; Videau, I; Vieira, D; Vilasis Cardona, X; Visniakov, J; Vollhardt, A; Volyanskyy, D; Voong, D; Vorobyev, A; Voss, H; Wandernoth, S; Wang, J; Ward, D; Watson, N; Webber, A; Websdale, D; Whitehead, M; Wiedner, D; Wiggers, L; Wilkinson, G; Williams, M; Williams, M; Wilson, F; Wishahi, J; Witek, M; Witzeling, W; Wotton, S; Wyllie, K; Xie, Y; Xing, F; Xing, Z; Yang, Z; Young, R; Yushchenko, O; Zangoli, M; Zavertyaev, M; Zhang, F; Zhang, L; Zhang, W; Zhang, Y; Zhelezov, A; Zhong, L; Zvyagin, A

doi:10.1140/epjc/s10052-012-2100-4

The differential cross-section for the inclusive production of psi(2S) mesons in pp collisions at &RADIC s = 7 TeV has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity of 36 pb(-1). The psi(2S) mesons are reconstructed in the decay channels psi(2S)-> mu(+)mu(-) and psi(2S) -> J/psi&PI+&PI-, with the J/psi meson decaying into two muons. Results are presented both for promptly produced psi(2S) mesons and for those originating from b-hadron decays. In the kinematic range pT(psi(2S)) <= 16 GeV/c and 2 < y(psi(2S)) <= 4.5 we measure sigma(prompt)(psi(2S)) = 1.44 +/- 0.01 (stat) +/- 0.12 (syst)(-0.40)(+0.20) (pol) mu b, &SIGMA(b)(psi(2S)) = 0.25 +/- 0.01 (stat) +/- 0.02 (syst) mu b, where the last uncertainty on the prompt cross-section is due to the unknown psi(2S) polarization. Recent QCD calculations are found to be in good agreement with our measurements. Combining the present result with the LHCb J/psi measurements we determine the inclusive branching fraction B (b ->psi(2S)X) = (2.73 +/- 0.06 (stat) +/- 0.16 (syst) +/- 0.24 (BF))* 10(-3), where the last uncertainty is due to the B(b -> J/psi X), B(J/psi -> mu(+)mu(-) and B(psi(2S) -> e(+)e(-)) branching fraction uncertainties.

Aaij, R., Abellan Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2012). Measurement of psi(2S) meson production in pp collisions at root s = 7 TeV. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 72(8) [10.1140/epjc/s10052-012-2100-4].