Multiplicity Dependence of Pion, Kaon, Proton and Lambda Production in p--Pb Collisions at sqrt(s_NN) = 5.02 TeV - Archive ouverte HAL Access content directly
Journal Articles Physics Letters B Year : 2014

Multiplicity Dependence of Pion, Kaon, Proton and Lambda Production in p--Pb Collisions at sqrt(s_NN) = 5.02 TeV

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B. Abelev
  • Function : Author
C. Roy
Laurent Aphecetche
Guillaume Batigne
B. Erazmus
  • Function : Author
  • PersonId : 1178907
  • IdRef : 033726485
Magali Estienne
Marie Germain
Gines Martinez Garcia
Philippe Pillot
Alexandre Shabetai
Diego Stocco
B. Cheynis
Maxime Guilbaud

Abstract

In this Letter, comprehensive results on {\pi}+-, K+-, K^0_S, p(antiproton) and {\Lambda} anti-{\Lambda} production at mid-rapidity (0 < y_cms < 0.5) in p-Pb collisions at sqrt(s_NN) = 5.02 TeV, measured by the ALICE detector at the LHC, are reported. The transverse momentum distributions exhibit a hardening as a function of event multiplicity, which is stronger for heavier particles. This behavior is similar to what has been observed in pp and Pb--Pb collisions at the LHC. The measured pT distributions are compared to results at lower energy and with predictions based on QCD-inspired and hydrodynamic models.

Dates and versions

in2p3-00848757 , version 1 (29-07-2013)

Identifiers

Cite

B. Abelev, N. Arbor, G. Conesa Balbastre, J. Faivre, C. Furget, et al.. Multiplicity Dependence of Pion, Kaon, Proton and Lambda Production in p--Pb Collisions at sqrt(s_NN) = 5.02 TeV. Physics Letters B, 2014, 728, pp.25-38. ⟨10.1016/j.physletb.2013.11.020⟩. ⟨in2p3-00848757⟩
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