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Article
Report number arXiv:1211.3288
Title Meson and baryon femtoscopy in heavy-ion collisions at ALICE
Author(s) Szymanski, Maciej Pawel (Warsaw U. of Tech.)
Collaboration for the ALICE collaboration
Publication 2013
Imprint 15 Nov 2012
Number of pages 4
Note 4 pages, 6 figures, proceedings for Quark Matter 2012, Washington D.C., August 13-18, 2012
In: Nucl. Phys. A 904-905 (2013) pp.447c-450c
In: 23rd International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Washington, DC, USA, 13 - 18 Aug 2012, pp.447c-450c
DOI 10.1016/j.nuclphysa.2013.02.045
Subject category Nuclear Physics - Experiment
Accelerator/Facility, Experiment CERN LHC ; ALICE
Abstract We present results of femtoscopic analysis with K0s-K0s, Kch-Kch, p-p, pbar-pbar, p-pbar and lambda-antilambda in Pb-Pb collisions at sqrt{s_NN}=2.76 TeV and K0s-K0s in pp collisions at sqrt{s}=7 TeV registered by ALICE at the LHC. The femtoscopic radius is extracted from the one-dimensional correlation functions. The analysis reveals that the emission source sizes of pions, kaons and protons measured in heavy-ion collisions exhibit approximate transverse mass scaling which is consistent with hydrodynamic collectivity prediction. Furthermore, baryon-antibaryon correlations are investigated to study the influence of Final State Interactions (annihilation). It may contribute to lower multiplicities of protons observed at LHC energies, with respect to predictions from thermal models.
Copyright/License CERN (License: arXiv nonexclusive-distrib. 1.0)



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 Record created 2012-11-16, last modified 2024-05-08


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