Charged kaon femtoscopic correlations in pp collisions at $\sqrt{s}=7$ TeV

Abstract : Correlations of two charged identical kaons (Kch Kch) are measured in pp collisions at sqrt{s}=7 TeV by the ALICE experiment at the Large Hadron Collider (LHC). One-dimensional Kch Kch correlation functions are constructed in three multiplicity and four transverse momentum ranges. The Kch Kch femtoscopic source parameters R and lambda are extracted. The Kch Kch correlations show a slight increase of femtoscopic radii with increasing multiplicity and a slight decrease of radii with increasing transverse momentum. These trends are similar to the ones observed for pi pi and Ks0 Ks0 correlations in pp and heavy-ion collisions. However, the observed one dimensional correlation radii for charged kaons are larger at high multiplicities than those for pions in contrast to what was observed in heavy-ion collisions at RHIC.
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Physical Review D, American Physical Society, 2013, 87, pp.052016. 〈10.1103/PhysRevD.87.052016〉
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http://hal.in2p3.fr/in2p3-00769524
Contributeur : Emmanuelle Vernay <>
Soumis le : mercredi 2 janvier 2013 - 09:46:05
Dernière modification le : jeudi 7 février 2019 - 14:56:19

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B. Abelev, N. Arbor, G. Conesa Balbastre, J. Faivre, C. Furget, et al.. Charged kaon femtoscopic correlations in pp collisions at $\sqrt{s}=7$ TeV. Physical Review D, American Physical Society, 2013, 87, pp.052016. 〈10.1103/PhysRevD.87.052016〉. 〈in2p3-00769524〉

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