Suppression of ϒ(1S) at forward rapidity in Pb–Pb collisions at sNN=2.76 TeV

Autor: Jean Willy Andre Cleymans, Volker Lindenstruth, Z. Buthelezi, J. Mercado Pérez, P. La Rocca, Alberto Caliva, G. Viesti, F. Carena, Alina Gabriela Grigoras, Taku Gunji, V. Lenti, Deepa Thomas, Myunggeun Song, Gian Michele Innocenti, Jogender Saini, V. Grigoriev, Rudiger Haake, Krzysztof Redlich, Sami Sakari Rasanen, S. P. Sorensen, Y. Corrales Morales, I. Garishvili, B. Grinyov, D. De Gruttola, Håvard Helstrup, Federico Cindolo, Ulrich Fuchs, Corrado Gargiulo, Jubin Mitra, A. K. Dutta Majumdar, E. Fragiacomo, Ian Gardner Bearden, Constantinos Loizides, L. Šándor, A. Nedosekin, Guy Paic, Mihai Petrovici, Anton Alkin, H. Delagrange, T. Dobrowolski, S. Di Liberto, Toralf Bernhard Skaali, D. Elia, O. Villalobos Baillie, Christian Lippmann, J. W. Van Hoorne, Jurgen Schukraft, Federico Antinori, K. Das, Chiara Zampolli, Satyabrata Kar, Rosario Turrisi, D. Miśkowiec, Jørgen André Lien, M. Morando, Bruno Espagnon, A. A. Vinogradov, Chengxin Zhao, S. K. Oh, S. Li, Ramona Lea, Meidana Huang, Alexey Kuryakin, Filimon Roukoutakis, Tuva Ora Herenui Richert, Markus Bernhard Zimmermann, R. A. Soltz, R. A. Ricci, V. P. Kondratiev, Bernd Stefan Windelband, Gerardus Nooren, Jan Musinsky, Ombretta Pinazza, G. Martínez García, Herve Borel, G.F. Segato, D. I. Patalakha, P. González-Zamora, T. Breitner, F. V. Böhmer, Mihai Niculescu, Andrey Vasiliev, Néstor Armesto, Emilia Leogrande, Mohd Danish Azmi, Silvia Arcelli, P. H. S. Y. Jayarathna, Gideon Francois Steyn, Antonio Uras, Julien Faivre, Elisa Meninno, Sidharth Kumar Prasad, Stefania Beole, M. Mohisin Khan, I. Berceanu, Borge Svane Nielsen, Michael Wang, Teodor Siemiarczuk, G. de Cataldo, Enrico Scomparin, M. Kretz, Paolo Camerini, Sergey Voloshin, Premomoy Ghosh, Konstantin Mikhaylov, Aditya Nath Mishra, Roberto Divia, Dimitry Aleksandrov, S. Porteboeuf-Houssais, E. Floratos, Yvonne Chiara Pachmayer, Anton Jusko, Eugen Mudnic, Jorn Henning Putschke, Nikita Agrawal, Bruno Alessandro, Luke David Hanratty, Ivan Kralik, Miroslav Pikna, Mario Sitta, Martijn Reicher, J. Castillo Castellanos, A. Vyushin, Y. Sibiriak, J. Martin Blanco, Stefano Piano, Peter Zahariev Hristov, Theo Alexander Broker, Ali Zaman, Mikhail Malaev, Xiangrong Zhu, B. von Haller, Y. Wang, T. C. Awes, M. Veldhoen, A. Karasu Uysal, G. S. Pappalardo, Alessandra Fantoni, Angela Badala, Iwona Anna Sputowska, R. Dang, Wladyslaw Henryk Trzaska, H. Caines, Sudhir Raniwala, Dario Berzano, Madalina-Gabriela Tarzila, Tatiana Karavicheva, Angelo Rivetti, M. E. Connors, B. S. Nilsen, Peter Malzacher, Alessandro Ferretti, Subikash Choudhury, Satyajit Jena, Alberto Collu, G.S. Shabratova, Paolo Giubellino, Philippe Crochet, Marco Marquard, J. Anielski, S.A. Sadovsky, Maxime Guilbaud, G. Tejeda Muñoz, Sara Vallero, Sudipan De, S. Rohni, Christian Claude Kuhn, Pooja Pareek, Janet Elizabeth Seger, N. Zaviyalov, Artem Shangaraev, T. J. M. Symons, Andrea Agostinelli, Linda Vickovic, Elena Rocco, H. Appelshäuser, D. Fabris, Yonghong Zhang, Igor Lakomov, D. Budnikov, Tome Anticic, Ketil Røed, L. Manceau, Attiq Ur Rehman, Manuel Colocci, P. Cerello, HT Yang, Michelangelo Agnello, A. Rodriguez Manso, Sergey Nikolaev, A. Gomez Ramirez, Benjamin Donigus, J. L. Klay, A. R. Reolon, Felix Reidt, Antonin Maire, Andrea Francescon, V. Catanescu, Iosif Legrand, Anand Kumar Dubey, Peter Chochula, Alexander Philipp Kalweit, Motoi Inaba, Eugenio Scapparone, V. Chibante Barroso, Jeremy John Wilkinson, David Dobrigkeit Chinellato, E. López Torres, A. Kolojvari, Alexander Kluge, Satoshi Yano, C. Bedda, L. Vannucci, J. Porter, C. Baumann, Dmitry Blau, C. Roy, Daniel Berenyi, Alessandra Lattuca, P. L. M. Podesta-Lerma, J. L. Charvet, Helmut Oskar Oeschler, Raghunath Sahoo, Valerie Ramillien Barret, Ionut Christian Arsene, B. 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Soramel, Alexis Jean-Michel Mas, Evgeny Karpechev, Ionel Stan, Ajay Kumar Dash, Levente Molnar, Johan Alme, Luciano Ramello, A. K. Bhati, Podist Kurashvili, Y. P. Viyogi, T. Aronsson, Nikolai Smirnov, Anik Gupta, Vit Kucera, Ciprian Mihai Mitu, Paola Gianotti, Raphael Noel Tieulent, M. Masera, C. Søgaard, D. Pant, Paolo Pagano, B. V.K.S. Potukuchi, Bedangadas Mohanty, Tatsuya Chujo, Daniel Michael Muhlheim, Sabyasachi Siddhanta, Rajeev Singh, E. Dénes, J. H. Kang, X. Cai, Klaus Johannes Reygers, Jan Wagner, X. Sanchez Castro, Gilda Scioli, J. de Cuveland, J. Mlynarz, I. Martashvili, Florian Painke, Philippe Rosnet, E. A. R. Casula, Nirbhay Kumar Behera, Ralf Keidel, V. Petráček, Ruben Shahoyan, Sang Un Ahn, Alice Zimmermann, Sedat Altinpinar, T. K. Nayak, A. Szanto de Toledo, Lucile Ronflette, L. Calero Diaz, M. Spacek, Andrei Ionut Herghelegiu, Heiko Engel, Luciano Musa, D. R. Gangadharan, Peter Kalinak, Valery Punin, S.A. Zaporozhets, Adriana Telesca, M. Berger, Tim Schuster, C. Ceballos Sanchez, Jitendra Kumar, Davide Francesco Lodato, Bikash Sinha, Vito Manzari, Viktor Riabov, Cristina Terrevoli, Janka Vrlakova, Yu.N. Pestov, Indranil Das, Andrey Reshetin, T. J. Humanic, Kai Oliver Schweda, Alberto Masoni, Valentina Zaccolo, Sandro Bjelogrlic, Sukalyan Chattopadhyay, Marcello Lunardon, Y. Zoccarato, Hans Rudolf Schmidt, Franco Meddi, Dagmar Adamová, Raphaelle Marie Bailhache, Richa Gupta, N. Grion, T. Pawlak, E. Nappi, K. Šafařík, Sanjib Muhuri, P. Roy, I. E. Yushmanov, Franck Manso, X. G. Lu, V. R. Loggins, Chinorat Kobdaj, Panagiotis Christakoglou, Antonio Rossi, Giacomo Volpe, Hege Austrheim Erdal, S. Vergara Limón, Peter Levai, Ana Maria Marin, Jaroslav Adam, Xiang Zhang, Gennady Zinovjev, Sadhana Dash, Mihaela Gheata, J. Zhu, Vladimir Kaplin, Y. L. Yamaguchi, G. Koyithatta Meethaleveedu, Philipp Johannes Luettig, F. Blanco, Barbara Ewa Erazmus, Maria Nicassio, Zhuo Zhou, Marian Krivda, Thomas Peitzmann, Alexei Khanzadeev, H. Bøggild, D. P. 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Venaruzzo, D. Eschweiler, Boris Wagner, Tyler Allen Browning, J. G. Contreras, Shinichi Hayashi, Alla Maevskaya, Naghmeh Mohammadi, C. E. Pérez Lara, Alexander Borissov, M. I. Martínez, Michal Krelina, Sven Gotovac, R. de Rooij, Mirko Planinic, Arturo Alejandro Menchaca-Rocha, Leonardo Milano, L. Aphecetche, C.J. Schmidt, E. Calvo Villar, Stefan Kirsch, S. Schuchmann, Sergey Nikulin, Vladimir Ivanov, Prabhat Ranjan Pujahari, Peter Strmen, Luciana Bianchi, Didier Alexandre, G. L. Usai, Vladimir Vechernin, Kristjan Herlache Gulbrandsen, Johannes Peter Wessels, Alessandro Grelli, R. Cruz Albino, Siegfried Valentin Foertsch, S. K. Basu, Jaime Norman, M. Pachr, A. C. Oliveira Da Silva, Nicola Bianchi, Madan M. Aggarwal, S. Dørheim, Wisla Carena, Martino Gagliardi, Ken Oyama, Jean-Yves Grossiord, Cenek Zach, Andrea Alici, Dai-Mei Zhou, Yves Roland Schutz, Cristian Andrei, Venelin Anguelov, Nazeer Ahmad, D. Di Bari, S. Esumi, M. Irfan, Martin Vala, S. U. Chung, A. Tarazona Martinez, Lee Stuart Barnby, Xavier Bernard Lopez, Jaroslav Bielcik, Elena Rogochaya, M. Kim, P. I. Loenne, Anton Andronic, H. J. Jang, Jan Hladky, Baldo Sahlmuller, S. Sharma, A. De Caro, J. Van Der Maarel, P. Di Nezza, Raimond Snellings, S. K. Ghosh, Jihyun Bhom, A. M. Gago, Y. J. Kwon, Leonid Vinogradov, Gabor Kiss, D. W. Kim, Johanna Stachel, Jiuzhou Song, M. Bach, Cvetan Valeriev Cheshkov, Radiy Ilkaev, Boris Batyunya, M. Sano, D. Domenicis Gimenez, J. Pluta, Evgeny Ryabinkin, Jussi Samuli Viinikainen, Dmitry Finogeev, Subhash Singha, Rene Bellwied, Annika Passfeld, Dirk Hutter, M. Rodríguez Cahuantzi, Roy Crawford Lemmon, Andrea Festanti, Jana Bielcikova, Sebastian Kalcher, Bjarte Kileng, Rama Chandra Baral, Peter Graham Jones, Smbat Grigoryan, Rainer Martin Schicker, Andrzej Deloff, D. Felea, J. Book, Andre Augustinus, E. Botta, M. A. Tangaro, Roberto Preghenella, Marek Chojnacki, I. Ilkiv, E. Serradilla, M. Bogolyubsky, M. Gumbo, Marie Germain, Ulrich Michael Frankenfeld, Maksym Zyzak, Alexander Vodopyanov, Alexandr Tumkin, Markus Konrad Kohler, Carlos A. Salgado, Christophe Furget, Tomoya Tsuji
Rok vydání: 2014
Předmět:
Zdroj: Physics Letters B. 738:361-372
ISSN: 0370-2693
Popis: We report on the measurement of the inclusive Υ (1S) production in Pb–Pb collisions at √sNN = 2.76 TeV carried out at forward rapidity (2.5 < y < 4) and down to zero transverse momentum using its μ+μ− decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression of the inclusive Υ (1S) yield is observed with respect to pp collisions scaled by the number of independent nucleon– nucleon collisions. The nuclear modification factor, for events in the 0–90% centrality range, amounts to 0.30 ± 0.05(stat) ± 0.04(syst). The observed Υ (1S) suppression tends to increase with the centrality of the collision and seems more pronounced than in corresponding mid-rapidity measurements. Our results are compared with model calculations, which are found to underestimate the measured suppression and fail to reproduce its rapidity dependence.
Databáze: OpenAIRE