학술논문

Centrality, rapidity and transverse momentum dependence of J/Psi suppression in Pb-Pb collisions at root(NN)-N-S=2.76TeV
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Author
Abelev, B.Adam, J.Adamova, D.Aggarwal, M. M.Rinella, G. AglieriAgnello, M.Agocs, A. G.Agostinelliz, A.Agrawal, N.Ahammed, Z.Ahmad, N.Masoodi, A. AhmadAhmed, I.Ahn, S. U.Ahn, S. A.Aimo, I.Aiola, S.Ajaz, M.Akindinov, A.Aleksandrov, D.Alessandro, B.Alexandre, D.Alici, A.Alkin, A.Alme, J.Alt, T.Altini, V.Altinpinar, S.Altsybeev, I.Prado, C. Alves GarciaAndrei, C.Andronic, A.Anguelov, V.Anielski, J.Anticic, T.Antinori, F.Antonioli, P.Aphecetche, L.Appelshauser, H.Arborbr, N.Arcelli, S.Armesto, N.Arnaldi, R.Aronsson, T.Arsene, I. C.Arslandok, M.Augustinus, A.Averbeck, R.Awes, T. C.Azmi, M. D.Bach, M.Badala, A.Baek, Y. W.Bagnasco, S.Bailhache, R.Bairathi, V.Bala, R.Baldisseri, A.Pedrosa, F. Baltasar Dos SantosBan, 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.Batzing, P. C.Baumann, C.Bearden, I. G.Beck, H.Bedda, C.Behera, N. K.Belikov, I.Bellini, F.Bellwied, R.Belmont-Moreno, E.Bencedi, G.Beole, S.Berceanu, I.Bercuci, A.Berdnikov, Y.Berenyi, D.Berger, M. E.Bergognon, A. A. E.Bertens, R. A.Berzano, D.Betev, L.Bhasin, A.Bhati, A. K.Bhattacharjee, B.Bhom, J.Bianchi, L.Bianchi, N.Bianchin, C.Bielcik, J.Bielcikova, J.Bilandzic, A.Bjelogrlic, S.Blanco, F.Blau, D.Blume, C.Bock, F.Boehmer, F. V.Bogdanov, A.Boggild, H.Bogolyubsky, M.Boldizsar, L.Bombara, M.Book, J.Borel, H.Borissov, A.Bornschein, J.Bossu, F.Botje, M.Botta, E.Bottger, S.Braun-Munzinger, P.Bregant, M.Breitner, T.Broker, T. A.Browning, T. A.Broz, M.Bruna, E.Bruno, G. E.Budnikov, D.Buesching, H.Bufalino, S.Buncic, P.Busch, O.Buthelezi, Z.Caffarri, D.Cai, X.Caines, H.Caliva, A.Calvo Villar, E.Camerini, P.Roman, V. CanoaCarena, F.Carena, W.Carminati, F.Diaz, A. CasanovaCastellanos, J. CastilloCasula, E. A. R.Catanescu, V.Cavicchioli, C.Sanchez, C. CeballosCepila, J.Cerello, P.Chang, B.Chapeland, S.Charvet, J. L.Chattopadhyay, S.Cherney, M.Cheshkov, C.Cheynis, B.Barroso, V. ChibanteChinellatodo, 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.Colamaria, F.Colella, D.Collu, A.Colocci, M.Balbastre, G. Conesadel Valle, Z. ConesaConnors, M. E.Contin, G.Contreras, J. G.Cormier, T. M.Morales, Y. CorralesCortese, P.Maldonado, I. CortesCosentino, M. R.Costa, F.Crochet, P.Albino, R. CruzCuautle, E.Cunqueiro, L.Dainese, A.Dang, R.Danu, A.Das, D.Das, I.Das, K.Das, S.Dash, A.Dash, S.De, S.Delagrange, H.Deloff, A.Denes, E.D'Erasmo, G.De Barros, G. O. V.De Carol, A.De Cataldo, G.De Cuvelandan, J.De Falco, A.De Gruttolaac, D.De Marco, N.De Pasquale, S.De Rooij, R.Corchero, M. A. DiazDietel, T.Divia, R.Di Bari, D.Di Liberto, S.Di Mauro, A.Di Nezza, P.Djuvsland, O.Dobrin, A.Dobrowolski, T.imenez, D. DomenicisDonigus, B.Dordic, O.Dorheim, S.Dubey, A. K.Dubla, A.Ducroux, L.Dupieux, P.Majumdar, A. K. DuttaElia, D.Engel, H.Erazmus, B.Erdal, H. A.Eschweiler, D.Espagnon, B.Estienne, M.Esumi, S.Evans, D.Evdokimov, S.Eyyubova, G.Fabris, D.Faivre, J.Falchieri, D.Fantoni, A.Fasel, M.Fehlker, D.Feldkamp, L.Felea, D.Feliciello, A.Feofilov, G.Ferencei, J.Tellez, A. FernandezFerreiro, E. G.Ferretti, A.Festanti, A.Figiel, J.Figueredo, M. A. S.Filchagin, S.Finogeev, D.Fionda, F. M.Fiore, E. M.Floratos, E.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.Gallio, M.Gangadharan, D. R.Ganoti, P.Garabatos, C.Garcia-Solis, E.Gargiulo, C.Garishvili, I.Gerhard, J.Germain, M.Gheata, A.Gheata, M.Ghidini, B.Ghosh, P.Ghosh, S. K.Gianotti, P.Giubellino, P.Gladysz-Dziadus, E.Glassel, P.Gomez, R.Gonzalez-Zamora, P.Gorbunov, S.Gorlich, L.Gotovac, S.Graczykowski, L. K.Grajcarek, R.Grelli, A.Grigoras, A.Grigoras, C.Grigoriev, V.Grigoryan, A.Grigoryan, S.Grinyov, B.Grion, N.Grosse-Oetringhaus, J. F.Grossiord, J. -Y.Grosso, R.Guber, F.Guernane, R.Guerzoni, B.Guilbaud, M.Gulbrandsen, K.Gulkanyan, H.Gunji, T.Gupta, A.Gupta, R.Khan, K. H.Haake, R.Haaland, O.Hadjidakis, C.Haiduc, M.Hamagaki, H.Hamar, G.Hanratty, L. D.Hansen, A.Harris, J. W.Hartmann, H.Harton, A.Hatzifotiadou, D.Hayashi, S.Hayrapetyan, A.Heckel, S. T.Heide, M.Helstrup, H.Herghelegiu, A.Corral, G. HerreraHess, B. A.Hetland, K. F.Hicks, B.Hippolyte, B.Hladky, J.Hristov, P.Huang, M.Humanic, T. J.Hutter, D.Hwang, D. S.Ianigro, J. -C.Ilkaev, R.Ilkiv, I.Inaba, M.Incani, E.Innocenti, G. M.Ionita, C.Ippolitov, M.Irfan, M.Ivanov, M.Ivanov, V.Ivanytskyi, O.Jacholkowski, A.Jahnke, C.Jang, H. J.Janik, M. A.Jayarathna, P. H. S. Y.Jena, S.Bustamante, R. T. JimenezJones, P. G.Jung, H.Jusko, A.Kalcher, S.Kalinak, P.Kalweit, A.Kamin, J.Kang, J. H.Kaplin, V.Kar, S.KarasuUysal, A.Karavichev, O.Karavicheva, T.Karpechev, E.Kebschull, U.Keidel, R.Ketzer, B.Khan, M. M.Khan, P.Khan, S. A.Khanzadeev, A.Kharlov, Y.Kileng, B.Kim, B.Kim, D. W.Kim, D. J.Kim, J. S.Kim, M.Kim, S.Kim, T.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Kiss, G.Klay, J. L.Klein, J.Klein-Bosing, C.Kluge, A.Knichel, M. L.Knospe, A. G.Kobdaj, C.Kohler, M. K.Kollegger, T.Kolojvari, A.Kondratiev, V.Kondratyeva, N.Konevskikh, A.Kovalenko, V.Kowalski, M.Kox, S.Meethaleveedu, G. KoyithattaKral, J.Kralik, I.Kramer, F.Kravcakova, A.Krelina, M.Kretz, M.Krivda, M.Krizek, F.Krus, M.Kryshen, E.Krzewicki, M.Kucera, V.Kucheriaev, Y.Kugathasan, T.Kuhn, C.Kuijer, P. G.Kulakov, I.Kumar, J.Kurashvili, P.Kurepin, A.Kurepin, A. B.Kuryakin, A.Kushpil, S.Kushpil, V.Kweon, M. J.Kwon, Y.de Guevara, P. LadronFernandes, C. LaganaLakomov, I.Langoy, R.Lara, C.Lardeux, A.Lattuca, A.La Pointe, S. L.La Rocca, P.Lea, R.Lee, G. R.Legrand, I.Lehnert, J.Lemmon, R. 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RodriguezRoed, K.Rogochaya, E.Rohni, S.Rohr, D.Rohrich, D.Romita, R.Ronchetti, F.Ronflette, L.Rosnet, P.Rossegger, S.Rossi, A.Roy, A.Roy, C.Roy, P.Montero, A. J. RubioRuix, R.Russ, R.Ryabinkin, E.Ryabov, Y.Rybicki, A.Sadovsky, S.Safarik, K.Sahlmuller, B.Sahoo, R.Sahu, P. K.Saini, J.Salgado, C. A.Salzwedel, J.Sambyal, S.Samsonov, V.Castro, X. SanchezRodriguez, F. J. SanchezSandor, L.Sandoval, A.Sano, M.Santagati, G.Sarkar, D.Scapparone, E.Scarlassara, F.Scharenberg, R. P.Schiaua, C.Schicker, R.Schmidt, C.Schmidt, H. R.Schuchmann, S.Schukraft, J.Schulc, M.Schuster, T.Schutz, Y.Schwarz, K.Schweda, K.Scioli, G.Scomparin, E.Scott, P. A.Scott, R.Segato, G.Seger, J. E.Selyuzhenkov, I.Seo, J.Serradilla, E.Sevcenco, A.Shabetai, A.Shabratova, G.Shahoyan, R.Shangaraev, A.Sharma, N.Sharma, S.Shigaki, K.Shtejer, K.Sibiriak, Y.Siddhanta, S.Siemiarczuk, T.Silvermyr, D.Silvestre, C.Simatovic, G.Singaraju, R.Singh, R.Singha, S.Singhal, V.Sinha, B. C.Sinha, T.Sitar, B.Sitta, M.Skaali, T. 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W.Van Leeuwen, M.Vargas, A.Varma, R.Vasileiou, M.Vasiliev, A.Vechernin, V.Veldhoen, M.Venaruzz, M.Vercellin, E.Limon, S. VergaraVernet, R.Verweij, M.Vickovic, L.Viesti, G.Viinikainen, J.Vilakazi, Z.Baillie, O. VillalobosVinogradov, A.Vinogradov, L.Vinogradov, Y.Virgili, T.Viyogi, Y. P.Vodopyanov, A.Volkl, M. A.Voloshin, K.Voloshin, S. A.Volpe, G.Vonhaller, B.Vorobyev, I.Vranic, D.Vrlakova, J.Vulpescu, B.Vyushin, A.Wagner, B.Wagner, J.Wagner, V.Wang, M.Wang, Y.Watanabe, D.Weber, M.Wessels, J. P.Westerhoff, U.Wiechula, J.Wikne, J.Wilde, M.Wilk, G.Wilkinson, J.Williams, M. C. S.Windelband, B.Winn, M.Xiang, C.Yaldo, C. G.Yamaguchi, Y.Yang, H.Yang, P.Yang, S.Yano, S.Yasnopolskiy, S.Yic, J.Yin, Z.Yoo, I. -K.Yushmanov, I.Zaccolo, V.Zach, C.Zaman, A.Zampolli, C.Zaporozhets, S.Zarochentsev, A.Zavada, P.Zaviyalov, N.Zbroszczyk, H.Zgurabi, I. S.Zhalov, M.Zhang, F.Zhang, H.Zhang, X.Zhang, Y.Zhao, C.Zhou, D.Zhou, F.Zhou, Y.Zhu, H.Zhu, J.Zhu, X.Zichichi, A.Zimmermann, A.Zimmermann, M. B.Zinovjev, G.Zoccarato, Y.Zynovyev, M.Zyzak, M.
Source
Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. 734:314-327
Subject
Relativistic heavy ion collisions
Quark gluon plasma
Quarkonium
J/Psi
suppression
Experimental results
Naturvetenskap
Fysik
Subatomär fysik
Natural Sciences
Physical Sciences
Subatomic Physics
Language
English
ISSN
0370-2693
Abstract
The inclusive J/.nuclear modification factor (R-AA) in Pb-Pb collisions at root(NN)-N-S = 2.76TeVhas been measured by ALICE as a function of centrality in the e+ e-decay channel at mid-rapidity (| y| < 0.8) and as a function of centrality, transverse momentum and rapidity in the + -decay channel at forward-rapidity (2.5 < y < 4). The J/.yields measured in Pb-Pb are suppressed compared to those in ppcollisions scaled by the number of binary collisions. The RAAintegrated over a centrality range corresponding to 90% of the inelastic Pb-Pb cross section is 0.72 - 0.06(stat.) - 0.10(syst.) at mid-rapidity and 0.58 - 0.01(stat.) - 0.09(syst.) at forward-rapidity. At low transverse momentum, significantly larger values of RAAare measured at forward-rapidity compared to measurements at lower energy. These features suggest that a contribution to the J/.yield originates from charm quark (re) combination in the deconfined partonic medium. (C) 2014 The Authors. Published by Elsevier B. V.