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

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

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...

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Veröffentlicht in:Physics letters. B 2013-03, Vol.720 (1-3), p.52-62
Hauptverfasser: 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: Artikel
Sprache:eng
Schlagworte:
Charged particles
Collisions
Elementary particles
Mathematical models
Transverse momentum
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Zusammenfassung: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.
ISSN:0370-2693