Authors
Kenneth Aamodt, A Abrahantes Quintana, Dagmar Adamová, AM Adare, Madan Mohan Aggarwal, G Aglieri Rinella, AG Agocs, S Aguilar Salazar, Zubayer Ahammed, Nazeer Ahmad, A Ahmad Masoodi, Sang Un Ahn, Alexander Akindinov, Dmitry Aleksandrov, Bruno Alessandro, R Alfaro Molina, Andrea Alici, Anton Alkin, E Almaráz Aviña, Torsten Alt, V Altini, Sedat Altinpinar, Igor Altsybeev, Cristian Andrei, Anton Andronic, Venelin Anguelov, C Anson, Tome Antičić, Federico Antinori, Pietro Antonioli, Laurent Aphecetche, Harald Appelshäuser, Silvia Arcelli, A Arend, Néstor Armesto, Roberta Arnaldi, T Aronsson, Ionut Cristian Arsene, A Asryan, Andre Augustinus, R Averbeck, TC Awes, J Äystö, Mohd Danish Azmi, Matthias Bach, Angela Badalà, Yong Wook Baek, Stefano Bagnasco, Raphaëlle Bailhache, Remu Bala, R Baldini Ferroli, Alberto Baldisseri, A Baldit, J Bán, Roberto Barbera, Francesco Barile, Gergely Gábor Barnaföldi, Lee Stuart Barnby, Valerie Barret, Jerzy Bartke, Maurizio Basile, Nicole Bastid, Bastian Bathen, Guillaume Batigne, Boris Batyunya, Cédric Baumann, Ian Gardner Bearden, Hans Beck, Iouri Belikov, Francesca Bellini, Rene Bellwied, Ernesto Belmont-Moreno, Stefania Beole, Ionela Berceanu, Alexandru Bercuci, E Berdermann, Yaroslav Berdnikov, Latchezar Betev, Anju Bhasin, Ashok Kumar Bhati, Livio Bianchi, Nicola Bianchi, Chiara Bianchin, Jaroslav Bielčík, Jana Bielčíková, Ante Bilandzic, Emanuele Biolcati, A Blanc, Fernando Blanco, D Blau, Christoph Blume, M Boccioli, N Bock, A Bogdanov, Hans Bøggild, M Bogolyubsky, László Boldizsár, Marek Bombara, C Bombonati, Julian Book, Hervé Borel, C Bortolin, S Bose, Francesco Bossú, Michiel Botje, Stefan Böttger, B Boyer, Peter Braun-Munzinger, L Bravina, Marco Bregant, Timo Breitner, Michal Broz, René Brun, Elena Bruna, Giuseppe Eugenio Bruno, Dmitry Budnikov, Henner Büsching, Oliver Busch, Z Buthelezi, Davide Caffarri, Xiao Cai, H Caines, E Calvo Villar, Paolo Camerini, V Canoa Roman, G Cara Romeo, Francesco Carena, Wisla Carena, F Carminati, A Casanova Díaz, M Caselle, J Castillo Castellanos, V Catanescu, Costanza Cavicchioli, Piergiorgio Cerello, B Chang, Sylvain Chapeland, JL Charvet, S Chattopadhyay, M Cherney, C Cheshkov, Brigitte Cheynis, E Chiavassa, V Chibante Barroso, David Dobrigkeit Chinellato, Peter Chochula, Marek Chojnacki, Panagiotis Christakoglou, Christian Holm Christensen, Peter Christiansen
Publication date
2011/1/24
Journal
Physics Letters B
Volume
696
Issue
1-2
Pages
30-39
Publisher
North-Holland
Description
Inclusive transverse momentum spectra of primary charged particles in Pb–Pb collisions at sNN=2.76 TeV have been measured by the ALICE Collaboration at the LHC. The data are presented for central and peripheral collisions, corresponding to 0–5% and 70–80% of the hadronic Pb–Pb cross section. The measured charged particle spectra in |η|<0.8 and 0.3<pT<20 GeV/c are compared to the expectation in pp collisions at the same sNN, scaled by the number of underlying nucleon–nucleon collisions. The comparison is expressed in terms of the nuclear modification factor RAA. The result indicates only weak medium effects (RAA≈0.7) in peripheral collisions. In central collisions, RAA reaches a minimum of about 0.14 at pT=6–7 GeV/c and increases significantly at larger pT. The measured suppression of high-pT particles is stronger than that observed at lower collision energies, indicating that a very dense …
Total citations
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