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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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Contributor : Emmanuelle Vernay <>
Submitted on : Wednesday, January 2, 2013 - 9:46:05 AM
Last modification on : Thursday, February 25, 2021 - 10:58:31 AM

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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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