Centrality, rapidity and transverse momentum dependence of J/Psi suppression in Pb-Pb collisions at sqrt(sNN)=2.76TeV

Betty Bezverkhny Abelev, L D Hanratty,Jungyu Yi, E Garciasolis,Jovan Milosevic,M Bregant,Massimiliano Marchisone,Pierre Vande Vyvre,Catia Petta,M Planinic,Mario Fusco Girard,Bernhard Skaali,A Rachevski, T Alt, R Raniwala,V Altini,Henrik Qvigstad,F Meddi,Greeshma Koyithatta Meethaleveedu,L Sandor,Xiaoming Zhang,C Kuhn,G Paic, Bogdan Theodor Rascanu,C H Christensen,E G Ferreiro,P Dupieux,M Krzewicki,M Morando, Martin Rudolf Wilde,Jeremy John Wilkinson, Alberto Caliva,Minwoo Kim,Ketil Roeed,Andrea Rossi,L Aphecetche, J Bartke,Nestor Armesto Perez,C Oppedisano,S Gotovac,A B Kurepin,G Feofilov, Hans Martin Ljunggren,Zaida Conesa Del Valle,Vladimir Kovalenko,Yasser Corrales Morales, F Cindolo,F Carminati,Janusz Oleniacz,Goran Simatovic,Marco Van Leeuwen,Z Vilakazi, S Bjelogrlic,Carlos Alberto Salgado Lopez,A S Vodopyanov,A Menchacarocha,A Nedosekin,J Pluta,Maria Nicassio,D Budnikov,G Puddu, P Antonioli,D Adamova,Mikhail Malaev,G Shabratova,W Riegler,U Frankenfeld,R Arnaldi,D Silvermyr,Jihyun Bhom, A Herghelegiu,P Luettig,Sun Kun Oh, Igor Kulakov,F Soramel, Artem Shangaraev,Graham Richard Lee, Radiy Ilkaev,Satyajit Jena, A Morreale,N Bastid,Pasquale Di Nezza,S Bagnasco,K Ullaland,Antonio Carlos Oliveira Da Silva,A Pop,R Rui, Z Ahammed,C Cavicchioli,Daniel Berenyi,A Jusko, Sergey Kiselev,Dirk Hutter,Sudipan De,Se Yong Kim,M Janik,R Guernane, Jeanluc Fernand Charvet,Y W Baek,Sanjeev Singh Sambyal,M Guilbaud,R A Ricci, J Putschke,Leticia Cunqueiro Mendez, A W Rauf,S Gorbunov,V Barret,Myunggeun Song,Eugen Mudnic, Laszlo Olah, Manuel Colocci,Rune Langoy,D Falchieri, Ara Grigoryan,O Djuvsland,J Mlynarz, Jan Musinsky,B Batyunya, R Grosso, Marco Leoncino,Dmitry Patalakha,D Lohner,A Maevskaya, M Zyzak,M Sitta,L Musa,Jiri Mares, B Hippolyte,G Batigne,Somnath Kar,E M Fiore,I E Yushmanov, M A Lisa,Astkhik Terminasyan,C Pruneau,A Reshetin,C Zach,F Antinori, Rudiger Haake,Peter Levai, A Vinogradov,L Ducroux, S Dorheim,P Pillot,F Rettig,A Hayrapetyan,A Jacholkowski, R Smakal, Edith Zinhle Buthelezi,Rishat Sultanov,Sandra Moretto, Jochen Ulrich, E Scapparone,M Bombara,C Cheshkov,K Schweda,Gergely Gabor Barnafoldi, J Stachel,Youngil Kwon,Jinsook Kim,A Mastroserio, Rebecca Michelle Scott,S Foertsch, Jacobus Willem Van Hoorne, J Alme,B V K S Potukuchi,M Haiduc, Katherin Shtejer Diaz,O Pinazza,A Deloff,Changzhou Xiang,T Peitzmann, A Mischke,D Rohr,Supriya Das,Barthelemy Von Haller,G Usai,J Lehnert,Rakesh Mazumder, J Hladky,T S Tveter,J Gerhard,Jiebin Luo,K Voloshin,Paola Pagano,S P Sorensen, P Reichelt,M Krivda, H Hamagaki, J Bielcik,C Blume,J Rak,R A Soltz,Stefan Boettger,Haeng Jin Jang,Alberto Collu, Dmitry Malkevich,M D Azmi,C Zampolli, Mario Ivan Martinez Hernandez, Elena Rogochaya,V Lenti,M L Kowalski,C Cicalo,G Derasmo,Adrian Sevcenco,N Bianchi,M Ajaz,Jianhui Zhu,V R Loggins, Jeewon Seo,Martin Schulc, Michal Meres,D Finogeev,Sabyasachi Siddhanta, P Chochula, L Betev,G Segato,J Faivre,Jan Wagner,A Palmeri,A Kisiel,Paola La Rocca,M Lenhardt,V Anguelov,J Vrlakova, Sandun Pahula Hewage,Vahedeh Razazi,Anatoly Kolozhvari,D Caffarri, Sergey Evdokimov,Massimo Venaruzzo, R P Scharenberg,Sumit Basu,Andrey Zarochentsev,A Tauro,S Ghosh,C Andrei,A Kuryakin,Boris Wagner,Andrea Festanti, Rosi Jan Reed,Felix Reidt,Yury Ryabov,T Susa,R Bailhache, P G Jones,F Guber, Yury Pestov,T Breitner, Tinku Sarkar Sinha,Sergey Filchagin,Francesco Barile,S Kushpil,Ernesto Lopez Torres,C Luzzi, Felix Valentin Boehmer,Indranil Das, Marian Ivanov,Gustavo Conesa Balbastre,I Garishvili, Rohni Sharma, E Stenlund,Jiri Kral,R Divia,M Gallio, Jacobus Onderwaater,T Schuster,Camilo Ernesto Lara Martinez,Oleg Karavichev,I Aimo,I Belikov,D Vranic, Yury Vinogradov,Giacinto De Cataldo, Alexander Nyanin,Shiming Yang,J Kamin,Cristina Bedda,Martin Poghosyan, Hugo Denis Antonio Pereira Da Costa,K Reygers,C Silvestre,Raghunath Sahoo, P Jacobs, T Aronsson, F Colamaria,Igor Pshenichnov,Michal Krelina,Taesoo Kim,R Bala,O Dordic,M Arslandok,D Felea, S Bufalino,Rongrong Ma,G Scioli,Christoph Mayer,I Szarka,Chengxin Zhao, C Sanchez,R Bellwied, Chris G Yaldo,Antonio Juan Rubio Montero,Giacomo Volpe,Maria Vasileiou,G Bruno,M Inaba,A Alici,Salvatore De Pasquale,Svein Lindal,Bjarte Kileng,D Elia,S Altinpinar, Liudmila Malinina,D R Gangadharan,A Pesci,C Nattrass, Shuaib Ahmad Khan,Subhash Singha,Yury Sibiryak,Martin Vala,Premomoy Ghosh,Mengliang Wang, Valerii Kondratev,H Boggild,D P Mahapatra,H P Beck,Antonio Ortiz Velasquez, Bernard Hicks,Carlos Pajares Vales,P Riedler, Iwona Anna Sputowska,K Shigaki,B Sitar,A Rivetti,Hongyan Yang,Ali Zaman,Sean Murray,Johannes Hendrik Stiller,M Zhalov,R Shahoyan,Livio Bianchi,G V Margagliotti,Ernesto Calvo Villar, Divyash Pant,Bedangadas Mohanty, Valery Punin,M Gheata, T Richert,Sarah Louise La Pointe, Sergey Nikulin,Jogender Saini, Viktor Riabov,A Dainese,Matthias Jakob Bach, L S Barnby,Shinichi Hayashi,H Delagrange,Fan Zhang, T M Cormier,Alexander Hansen, Crispin Williams,F Manso,You Zhou, C Hadjidakis, Pedro Gonzalez Zamora,Vladimir Vechernin,J Book,A Danu,Orlando Villalobos Baillie,Costin Ionita,B Erazmus,B S Nilsen,Diego Stocco,A Marin,Suhurk Chung, Nicole Alice Martin,Xitzel Sanchez Castro,A Akindinov, M K Kohler,A Khanzadeev, Austin Vincent Harton,J Schukraft,R Tieulent,A Fantoni,P Foka,R Keidel,I Selyuzhenkov,A Rakotozafindrabe,T Anticic, Attilio Tarantola Peloni, Helvi Hartmann,M Krus,Vladimir Kaplin, M G Munhoz,Javier Martin Blanco,H Oeschler,C Baumann,Andrea Dubla,V Wagner, J Anielski,P Ganoti, T Sugitate,K Gulbrandsen, W Peryt,Daniele De Gruttola,P Christiansen,A Sandoval,M Chojnacki,Eleazar Cuautle Flores,C Furget, P Braunmunzinger,B Ghidini,M Weber,P Gianotti,G Nooren,G Wilk,E Gladyszdziadus,Annika Passfeld, Mohammed Mohisin Khan,S Aiola, X Lopez,G Eyyubova, T C Awes,Antonin Maire,Arshad Ahmad,E Scomparin,Inkwon Yoo,Fernando Baltasar Dos Santos Pedrosa,P Glassel,Jun Takahashi,Xu Cai,S Nikolaev, Jeansebastien Real,Jan Cepila,Danthasinghe Piyarathna,P Hristov,Ranbir Singh,Yifei Wang, Tyler Allen Browning,Adam Szczepankiewicz,N Poljak,Vipul Bairathi,F Bellini,Antonio Di Mauro,A G Knospe, A Andronic,Frederick Kramer,Raghava Varma,L Vinogradov,Christian Lippmann, L Cifarelli,Nazeer Ahmad, Michal Vajzer,Mariana Petris,Vasilij Kushpil,H Caines,R Preghenella,S Beole,Thanushan Kugathasan,A Bhasin, B Srivastava,Davide Francesco Lodato,Evgeny Kryshen,Jochen Klein,Aditya Nath Mishra,M A S Figueredo,F Prino,C Lara,Riccardo Russo,David Evans,Hongsheng Zhu,Linus Feldkamp,T Pawlak, Maciej Pawel Szymanski, A Baldisseri,M Germain,Shinichi Esumi,P Zavada,A Dobrin, Ismael Cortes Maldonado,S G Grigoryan,N Grion,Hyungtaik Jung, L Gorlich,Sami Sakari Rasanen,Deepa Thomas, C Markert,Alexander Philipp Kalweit,W H Trzaska,Ramni Gupta,Gianluca Aglieri Rinella,S L Fokin,M R Cosentino,Fernando Blanco,Pradip Kumar Sahu,R Snellings,Tomoya Tsuji,Konstantin Mikhaylov,A Bilandzic,Meidana Huang,M Verweij,A Bercuci,K H Khan, Nikolay Zavyalov,Cristina Terrevoli,Antoine Xavier Lardeux,Joerg Bornschein, Jeanpierre Revol, Y Miake,D Alexandre,H Engel,Buddhadeb Bhattacharjee,Vitaly Loginov,J Wiechula,H W Muller, K I Oyama,A Mas, Anais Annick Erica Bergognon,J Ulery,A K Dubey,Beomsu Chang, Alexey Vyushin,Oliver Busch, Joel Anthony Mazer,Linda Vickovic,Marcoantonio Tangaro, L Boldizsar,S Prasad, Carsten Soegaard, Mikhail Bogolyubskiy,A Shabetai, Amaya Ofelia Casanova Diaz,Y Yamaguchi,A Feliciello, Sergio Vergara Limon,Jan Fiete Grosseoetringhaus, Jens Joergen Gaardhoeje,Attiq Ur Rehman,R Schicker,Michael Linus Knichel,A Bogdanov,H Appelshaeuser,Xianguo Lu,Ruina Dang, Jihye Song,K Skjerdal,B Cheynis,Alessandra Maria Mazzoni, Abhee Kanti Dutt Mazumder,M Richter,Michael Andreas Winn,G Luparello,Sergio Di Liberto,Sona Pochybova, Natalia Kondratyeva,Masato Sano,Elienos Pereira De Oliveira Filho,Alberto Masoni,Magnus Mager, F Rodriguez,V Petracek,Oleksii Ivanytskyi, R Jefferson Porter,Y Martynov, Caio Lagana Fernandes,Jan De Cuveland, J H Kang,Alessandro De Falco,Krzysztof Redlich,Beomkyu Kim,A Matyja,M Connors,F M 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PHYSICS LETTERS B(2014)

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摘要
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.
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Relativistic heavy ion collisions,Quark gluon plasma,Quarkonium,J/Psi suppression,Experimental results
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