학술논문

Coherent J/psi photoproduction in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV
Document Type
Author
Abelev, B.Adam, J.Adamova, D.Adare, A. M.Aggarwal, M. M.Rinella, G. AglieriAgnello, M.Agocs, A. G.Agostinelli, A.Aguilar Salazar, S.Ahammed, Z.Masoodi, A. AhmadAhmad, N.Ahn, S. A.Ahn, S. U.Akindinov, A.Aleksandrov, D.Alessandro, B.Molina, R. AlfaroAlici, A.Alkin, A.Almaraz Avina, E.Alme, J.Alt, T.Altini, V.Altsybeev, I.Andrei, C.Andronic, A.Anguelov, V.Anielski, J.Anson, C.Anticic, T.Antinori, F.Antonioli, P.Aphecetche, L.Appelshaeuser, H.Arbor, N.Arcelli, S.Arend, A.Armesto, N.Arnaldi, R.Aronsson, T.Arsene, I. C.Arslandok, M.Asryan, A.Augustinus, A.Averbeck, R.Awes, T. C.Aysto, J.Azmi, M. D.Bach, M.Badala, A.Baek, Y. W.Bailhache, R.Bala, R.Ferroli, R. BaldiniBaldisseri, A.Dos Santos Pedrosa, F. BaltasarBan, J.Baral, R. C.Barbera, R.Barile, F.Barnafoldi, G. G.Barnby, L. S.Barret, V.Bartke, J.Basile, M.Bastid, N.Basu, S.Bathen, B.Batigne, G.Batyunya, B.Baumann, C.Bearden, I. G.Beck, H.Behera, N. K.Belikov, I.Bellini, F.Bellwied, R.Belmont-Moreno, E.Bencedi, G.Beole, S.Berceanu, I.Bercuci, A.Berdnikov, Y.Berenyi, D.Bergognon, A. A. E.Berzano, D.Betev, L.Bhasin, A.Bhati, A. K.Bhom, J.Bianchi, N.Bianchi, L.Bianchin, C.Bielcik, J.Bielcikova, J.Bilandzic, A.Bjelogrlic, S.Blanco, F.Blau, D.Blume, C.Boccioli, M.Bock, N.Boettger, S.Bogdanov, A.Boggild, H.Bogolyubsky, M.Boldizsar, L.Bombara, M.Book, J.Borel, H.Borissov, A.Bossu, F.Botje, M.Botta, E.Boyer, B.Braidot, E.Braun-Munzinger, P.Bregant, M.Breitner, T.Browning, T. A.Broz, M.Brun, R.Bruna, E.Bruno, G. E.Budnikov, D.Buesching, H.Bufalino, S.Busch, O.Buthelezi, Z.Orduna, D. CaballeroCaffarri, D.Cai, X.Caines, H.Villar, E. CalvoCamerini, P.Roman, V. CanoaRomeo, G. CaraCarena, W.Carena, E.Carlin Filho, N.Carminati, F.Diaz, A. CasanovaCastellanos, J. CastilloHernandez, J. F. CastilloCasula, E. A. R.Catanescu, V.Cavicchioli, C.Sanchez, C. CeballosCepila, J.Cerello, P.Chang, B.Chapeland, S.Charvet, J. L.Chattopadhyay, S.Chawla, I.Chernev, M.Cheshkov, C.Cheynis, B.Barroso, V. ChibanteChinellato, D. D.Chochula, P.Chojnacki, M.Choudhury, S.Christakoglou, P.Christensen, C. H.Christiansen, PeterChujo, T.Chung, S. U.Cicalo, C.Cifarelli, L.Cindolo, F.Cleymans, J.Coccetti, F.Colamaria, F.Colella, D.Balbastre, G. Conesadel Valle, Z. ConesaContin, G.Contreras, J. G.Cormier, T. M.Morales, Y. CorralesCortese, P.Maldonado, I. CortesCosentino, M. R.Costa, F.Cotallo, M. E.Crescio, E.Crochet, P.Alaniz, E. CruzCuautle, E.Cunqueiro, L.Dainese, A.Dalsgaard, H. H.Danu, A.Das, D.Das, K.Das, I.Dash, A.Dash, S.De, S.de Barros, G. O. V.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gruttola, D.Delagrange, H.Deloff, A.De Marco, N.Denesi, E.De Pasquale, S.Deppman, A.Erasmo, G. D.de Rooij, R.Corchero, M. A. DiazDi Bari, D.Dietel, T.Di Giglio, C.Di Liberto, S.Di Mauro, A.Di Nezza, P.Divia, R.Djuvsland, O.Dobrin, AlexandruDobrowolski, T.Dominguez, I.Doenigus, B.Dordic, O.Driga, O.Dubey, A. K.Dubla, A.Ducroux, L.Dupieux, P.Majumdar, A. K. DuttaMajumdar, M. R. DuttaElia, D.Emschermann, D.Engel, H.Erazmus, B.Erdal, H. A.Espagnon, B.Estienne, M.Esumi, S.Evans, D.Eyyubova, G.Fabris, D.Faivre, J.Falchieri, D.Fantoni, A.Fasel, M.Fearick, R.Fehlker, D.Feldkamp, L.Felea, D.Feliciello, A.Fenton-Olsen, B.Feofilov, G.Fernandez Tellez, A.Ferretti, A.Ferretti, R.Festanti, A.Figiel, J.Figueredo, M. A. S.Filchagin, S.Finogeev, D.Fionda, F. M.Fiore, E. M.Floris, M.Foertsch, S.Foka, P.Fokin, S.Fragiacomo, E.Francescon, A.Frankenfeld, U.Fuchs, U.Furget, C.Girard, M. FuscoGaardhoje, J. J.Gagliardi, M.Gago, A.Gallio, M.Gangadharan, D. R.Ganoti, P.Garabatos, C.Garcia-Solis, E.Garishvili, I.Gerhard, J.Germain, M.Geuna, C.Gheata, A.Gheata, M.Ghosh, P.Gianotti, P.Girard, M. R.Giubellino, P.Gladysz-Dziadus, E.Glaessel, P.Gomez, R.Ferreiro, E. G.Gonzalez-Trueba, L. H.Gonzalez-Zamora, P.Gorbunov, S.Goswami, A.Gotovac, S.Grabski, V.Graczykowski, L. K.Grajcarek, R.Grelli, A.Grigoras, C.Grigoras, A.Grigoriev, V.Grigoryan, A.Grigoryan, S.Grinyov, B.Grion, N.Gros, PhilippeGrosse-Oetringhaus, J. F.Grossiord, J-YGrosso, R.Guber, F.Guernane, R.Guerra Gutierrez, C.Guerzoni, B.Guilbaud, M.Gulbrandsen, K.Gulkanyan, H.Gunji, T.Gupta, A.Gupta, R.Haaland, O.Hadjidakis, C.Haiduc, M.Hamagaki, H.Hamar, G.Han, B. H.Hanratty, L. D.Hansen, A.Harmanova-Tothova, Z.Harris, J. W.Hartig, M.Harton, A.Hasegan, D.Hatzifotiadou, D.Hayrapetyan, A.Heckel, S. T.Heide, M.Helstrup, H.Herghelegiu, A.Herrera Corral, G.Herrmann, N.Hess, B. A.Hetland, K. F.Hicks, B.Hippolyte, B.Hori, Y.Hristov, P.Hrivnacova, I.Huang, M.Humanic, T. J.Hwang, D. S.Ichou, R.Ilkaev, R.Ilkiv, I.Inaba, M.Incani, E.Innocenti, G. M.Innocenti, P. G.Ippolitov, M.Irfan, M.Ivan, C.Ivanov, V.Ivanov, A.Ivanov, M.Ivanytskyi, O.Jacholkowski, A.Jacobs, P. M.Jang, H. J.Janik, R.Janik, M. A.Jayarathna, P. H. S. Y.Jena, S.Jha, D. M.Jimenez Bustamante, R. T.Jones, P. G.Jung, H.Jusko, A.Kaidalov, A. B.Kalcher, S.Kalinak, P.Kalliokoski, T.Kalweit, A.Kang, J. H.Kaplin, V.Uysal, A. KarasuKaravichev, O.Karavicheva, T.Karpechev, E.Kazantsev, A.Kebschull, U.Keidel, R.Khan, S. A.Khan, P.Khan, M. M.Khanzadeev, A.Kharlov, Y.Kileng, B.Kim, M.Kim, S.Kim, D. J.Kim, D. W.Kim, J. H.Kim, J. S.Kim, T.Kim, B.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Klay, J. L.Klein, J.Klein-Boesing, C.Kliemant, M.Kluge, A.Knichel, M. L.Knospe, A. G.Koch, K.Koehler, M. K.Kollegger, T.Kolojvari, A.Kondratiev, V.Kondratyeva, N.Konevskikh, A.Kour, R.Kowalski, M.Kox, S.Koyithatta Meethaleveedu, G.Kral, J.Kralik, I.Kramer, F.Kravcakova, A.Krawutschke, T.Krelina, M.Kretz, M.Krivda, M.Krizek, F.Krus, M.Kryshen, E.Krzewicki, M.Kucheriaev, Y.Kugathasan, T.Kuhn, C.Kuijer, P. G.Kulakov, I.Kumar, J.Kurashvili, P.Kurepin, A. B.Kurepin, A.Kuryakin, A.Kushpil, S.Kushpil, V.Kvaerno, H.Kweon, M. J.Kwon, Y.Ladron de Guevara, P.Lakomov, I.Langoy, R.La Pointe, S. L.Lara, C.Lardeux, A.La Rocca, P.Lea, R.Lechman, M.Lee, K. S.Lee, G. 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Source
Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. 718(4-5):1273-1283
Subject
Naturvetenskap
Fysik
Subatomär fysik
Natural Sciences
Physical Sciences
Subatomic Physics
Language
English
ISSN
0370-2693
Abstract
The ALICE Collaboration has made the first measurement at the LHC of J/psi photoproduction in ultra-peripheral Pb-Pb collisions at root s(NN) = 2.76 TeV. The J/psi is identified via its dimuon decay in the forward rapidity region with the muon spectrometer for events where the hadronic activity is required to be minimal. The analysis is based on an event sample corresponding to an integrated luminosity of about 55 mu b(-1). The cross section for coherent J/psi production in the rapidity interval -3.6 < y < -2.6 is measured to be d sigma(coh)(J/psi)/dy = 1.00 +/- 0.18(stat)(-0.26)(+0.24)(syst) mb. The result is compared to theoretical models for coherent J/psi production and found to be in good agreement with those models which include nuclear gluon shadowing. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.