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  • Study of high-p T charged p...
    Chatrchyan, S.; Cornelis, T.; Walsh, S.; Giammanco, A.; Xiao, H.; Luetic, J.; Fedi, G.; Karimäki, V.; Kinnunen, R.; Bianchini, L.; Brom, J.-M.; Collard, C.; Drouhin, F.; Mercier, D.; Beaupere, N.; Hebbeker, T.; Stahl, A.; Dammann, D.; Lutz, B.; Gebbert, U.; Schmidt, A.; Dierlamm, A.; Markou, A.; Hajdu, C.; Kohli, J. M.; Naimuddin, M.; Ranjan, K.; Dugad, S.; Castro, A.; Meneghelli, M.; Gallo, E.; Pedrini, D.; Merola, M.; Torassa, E.; Lariccia, P.; Nappi, A.; Ligabue, F.; Barone, L.; Migliore, E.; Chang, S.; Park, S. K.; Sim, K. S.; Asghar, M. I.; Shoaib, M.; Górski, M.; Belotelov, I.; Kamenev, A.; Kirsanov, M.; Kossov, M.; Gribushin, A.; Obraztsov, S.; Sarycheva, L.; Dremin, I.; Kachanov, V.; Adzic, P.; Arce, P.; Diez Pardos, C.; Chuang, S. H.; Lobelle Pardo, P.; Scodellaro, L.; Bocci, A.; Govoni, P.; Hegner, B.; Schwick, C.; Kaestli, H. C.; Dittmar, M.; Nessi-Tedaldi, F.; Pauss, F.; Lei, Y. J.; Yalvac, M.; Heath, G. P.; Womersley, W. J.; Lyons, L.; Petridis, K.; Farrell, C.; Kelley, R.; Lebourgeois, M.; Flowers, K.; Yang, Y.; Smith, J. G.; Spiegel, L.; Whitmore, J.; Muniz, L.; Betts, R. R.; Newsom, C. R.; Norbeck, E.; Sen, S.; Eskew, C.; Stringer, R.; Makouski, M.; Paus, C.; Cooper, S. I.; Claes, D. R.; Hebda, P.; Stickland, D.; Kress, M.; Boulahouache, C.; Gilmore, J.; Issah, M.; Francis, B.

    The European physical journal. C, Particles and fields, 3/2012, Letnik: 72, Številka: 3
    Journal Article

    The transverse momentum spectra of charged particles have been measured in pp and PbPb collisions at sqrt(sNN) = 2.76 TeV by the CMS experiment at the LHC. In the transverse momentum range pt = 5-10 GeV/c, the charged particle yield in the most central PbPb collisions is suppressed by up to a factor of 5 compared to the pp yield scaled by the number of incoherent nucleon-nucleon collisions. At higher pt, this suppression is significantly reduced, approaching roughly a factor of 2 for particles with pt in the range pt=40-100 GeV/c.