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Andrei, C.; Antičić, T.; Arnaldi, R.; Bailhache, R.; Bellini, F.; Bercuci, A.; Berdnikov, Y.; Betev, L.; Bock, N.; Bombonati, C.; Brun, R.; Bugaiev, K.; Cavicchioli, C.; Chattopadhyay, S.; Christiansen, P.; Chung, S. U.; Cifarelli, L.; Colella, D.; Cormier, T. M.; Crochet, P.; Dash, S.; De Marco, N.; De Pasquale, S.; Dietel, T.; Dobrowolski, T.; Dubey, A. K.; Ducroux, L.; Esumi, S.; Eyyubova, G.; Faivre, J.; Ferretti, R.; Fiore, E. M.; Floris, M.; Foka, P.; Fusco Girard, M.; Grabski, V.; Grelli, A.; Grion, N.; Guerra Gutierrez, C.; Haiduc, M.; Hamagaki, H.; Ivanov, V.; Ivanytskyi, O.; Jangal, S.; Jena, S.; Kisiel, A.; Klein-Bösing, C.; Konevskikh, A.; Krivda, M.; Kushpil, S.; León Monzón, I.; Lippmann, C.; Loo, K. K.; López Torres, E.; Luettig, P.; Mamonov, A.; Mas, A.; Masciocchi, S.; Matthews, Z. L.; Matyja, A.; Moreira De Godoy, D. A.; Nania, R.; Nazarov, G.; Nyatha, A.; Pagano, P.; Pal, S. K.; Palmeri, A.; Rak, J.; Raniwala, S.; Räsänen, S. S.; Real, J. S.; Reygers, K.; Ronchetti, F.; Rui, R.; Sambyal, S.; Santo, R.; Sarkamo, J.; Schmidt, H. R.; Schweda, K.; Selyuzhenkov, I.; Shigaki, K.; Shtejer, K.; Siemiarczuk, T.; Sinha, B. C.; Sitta, M.; Smakal, R.; Soos, C.; Stefanini, G.; Subieta Vásquez, M. A.; Šumbera, M.; Susa, T.; Telesca, A.; Vajzer, M.; Vande Vyvre, P.; Voloshin, K.; Voloshin, S.; Wang, M.; Williams, M. C. S.; Zichichi, A.; Zoccarato, Y.
Physical review letters, 3/2012, Letnik: 108, Številka: 9Journal Article
The yield of charged particles associated with high-p{sub t} trigger particles (8 < p{sub t} < 15 GeV/c) is measured with the ALICE detector in Pb-Pb collisions at {radical}s{sub NN} = 2.76 TeV relative to proton-proton collisions at the same energy. The conditional per-trigger yields are extracted from the narrow jetlike correlation peaks in azimuthal dihadron correlations. In the 5% most central collisions, we observe that the yield of associated charged particles with transverse momenta p{sub t} > 3 GeV/c on the away side drops to about 60% of that observed in pp collisions, while on the near side a moderate enhancement of 20%-30% is found.
