Centrality dependence of charged particle production at large transverse momentum in PbaPb collisions at

• Published in: Physics letters. B Vol. 720; no. 1-3; pp. 52 - 62
• Main Authors: Abelev, B, Adam, J, Adamova, D, Adare, A M, Aggarwal, M M, Aglieri Rinella, G, Agocs, A G, Agostinelli, A, Aguilar Salazar, S, Ahammed, Z, Ahmad, N, Ahmad Masoodi, A, Ahn, SA, Ahn, SU, Akindinov, A, Aleksandrov, D, Alessandro, B, Alfaro Molina, R, Alici, A, Alkin, A, Almaraz Avina, E, Alme, J, Alt, T, Altini, V, Altinpinar, S, Altsybeev, I, Andrei, C, Andronic, A, Anguelov, V, Anielski, J, Anson, C, Anticic, T, Antinori, F, Antonioli, P, Aphecetche, L, Appelshaeuser, H, Arbor, N, Arcelli, S, Arend, A, Armesto, N, Arnaldi, R, Aronsson, T, Arsene, I C, Arslandok, M, Asryan, A, Augustinus, A, Averbeck, R, Awes, T C, Aeystoe, J, Azmi, MD, et. al
• Format: Journal Article
• Language: English
• Published: 13-03-2013
• Subjects: Charged particles; Collisions; Elementary particles; Mathematical models; Transverse momentum
• ISSN: 0370-2693

The inclusive transverse momentum (p T) distributions of primary charged particles are measured in the pseudo-rapidity range | IDT | 30 GeV / c . In peripheral collisions (70a80%), only moderate suppression (R A A = 0.6 a 0.7) and a weak p T dependence is observed. The measured nuclear modification factors are compared to other measurements and model calculations.