Transverse Momentum Distributions of Identified Particles in p-Pb Collisions at $\sqrt{{\mathrm{s}}_{\mathrm{NN}}}=5.02\mathrm{TeV}$

Abstract

Transverse momentum ($p_{\mathrm{T}}$) distributions of identified hadrons produced in p-Pb collisions at $\sqrt{{\mathrm{s}}_{\mathrm{NN}}}=5.02\mathrm{TeV}$ have been measured at mid-rapidity (0 $<y_{\mathrm{CMS}}<$ 0.5) by ALICE. Particle tracks are reconstructed using the central barrel detectors. Particle identification is performed via specific energy loss, time-of-flight or their characteristic decay topology over a wide transverse momentum range (0 GeV/c up to 8 GeV/c). Spectral shapes and particle ratios are measured in six multiplicity classes. They are compared with several model calculations and results from Pb-Pb collisions at $\sqrt{{\mathrm{s}}_{\mathrm{NN}}}=2.76\mathrm{TeV}$ and pp collisions at $\sqrt{{\mathrm{s}}_{\mathrm{NN}}}=7\mathrm{TeV}$ at the LHC. The results are discussed with respect to possible collective effects in p--Pb collisions.

4 pages, 4 figures, Proceedings of the Strangeness in Quark Matter Conference (SQM 2013), 22nd - 27th July 2013, published by the Open Access Journal of Physics: Conference Series (JPCS), in the IOP conference series

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