Abstract
In non-identical particle correlations, e.g. pion-kaon femtoscopy, one can obtain information about source size and asymmetry in emission processes of pions and kaons. Such asymmetry give us knowledge of which type of particles is emitted first/second and/or from which region of the source. The studies of non-identical particle femtoscopy for Beam Energy Scan energies give us the opportunity to study how the source size and asymmetry in particle emission depend on the initial conditions of the collision. It also allows one to examine these parameters in the vicinity of the theoretical critical point. In these proceedings, we present STAR results of pion-kaon femtoscopy at mid-rapidity in Au+Au collisions at = 7.7, 19.6 and 39 GeV.
Highlights
IntroductionSAcuan+(ABuESc)olplirsoigornamen,etrhgeieSsT√ARsN (Solenoidal Tracker at RHIC) experiment N = 7.7, 11.5, 14.5, 19.6, 27, 39 GeV
During the Beam Energy collected data at differentSAcuan+(ABuESc)olplirsoigornamen,etrhgeieSsT√ARsN (Solenoidal Tracker at RHIC) experiment N = 7.7, 11.5, 14.5, 19.6, 27, 39 GeV
In the case of non-identical particle correlations the effect occurs due to final state interactions (FSI) - Coulomb force and/or strong interactions
Summary
SAcuan+(ABuESc)olplirsoigornamen,etrhgeieSsT√ARsN (Solenoidal Tracker at RHIC) experiment N = 7.7, 11.5, 14.5, 19.6, 27, 39 GeV. The asonualrycesisasofthdeatfaunfocrtiodniffoerfen√t collision energies gives the opportunity to study features sNN. One of these studies is the femtoscopic analysis of of the created non-identical particles, e.g., pions and kaons [1]. The gies 7.7 following work will and 39 GeV. Results present the for energy fi√rst sN results N = 39 of pion-kaon correlations at center-of-mass enerGeV are presented for the most central collisions c(Ruoepmsutpolats1re0fd%orwoi√fthsthNdeNattao=taat7l .h√7asdGNrNeoVn=ica1rc3er0ofsoGsresdVeactt[ai2o]fn.roomf thmeincoimlliusmio-nb)iaasndcomlliinsiiomnusm(0-b-8ia0s%co).lliTsihoensre(s0u-l8ts0%ar)e
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