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Charged kaon femtoscopic correlations in pp collisions at s√=7  TeV

(ALICE Collaboration) Abelev, B.; Antičić, Tome; Gotovac, Sven; Mudnić, Eugen; Planinić, Mirko; Poljak, Nikola; Simatović, Goran; Šuša, Tatjana; Vicković, Linda; Zyzak, M. (2013) Charged kaon femtoscopic correlations in pp collisions at s√=7  TeV. Physical review. D, Particles and fields, 87 (5). 052016/1-052016/12. ISSN 0556-2821

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Correlations of two charged identical kaons (KchKch) are measured in pp collisions at s√=7  TeV by the ALICE experiment at the Large Hadron Collider (LHC). One-dimensional KchKch correlation functions are constructed in three multiplicity and four transverse momentum ranges. The KchKch femtoscopic source parameters R and λ are extracted. The KchKch 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 ππ and K0sK0s correlations in pp and heavy-ion collisions. However at high multiplicities, there is an indication that the one-dimensional correlation radii for charged kaons are larger than those for pions in contrast to what was observed in heavy-ion collisions at the Relativistic Heavy-Ion Collider.

Item Type: Article
Uncontrolled Keywords: kaon; correlation; ALICE
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Project titleProject leaderProject codeProject type
Study of hadronic systems using relativistic projectiles (Istraživanje hadronskih sustava upotrebom relativističkih projektila)Mirko Planinić119-0982887-1006MZOS
Experimental physics at LHC energies (Eksperimentalna fizika na LHC energijama)Krešo Kadija098-0982887-2878MZOS
Depositing User: Tome Antičić
Date Deposited: 04 Apr 2016 13:21
DOI: 10.1103/PhysRevD.87.052016

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