One-dimensional pion, kaon, and proton femtoscopy in Pb-Pb collisions at √sNN = 2.76 TeV
ALICE Collaboration. (2015). One-dimensional pion, kaon, and proton femtoscopy in Pb-Pb collisions at √sNN = 2.76 TeV. Physical Review C, 92(5), Article 054908. https://doi.org/10.1103/PhysRevC.92.054908
Julkaistu sarjassa
Physical Review CTekijät
Päivämäärä
2015Tekijänoikeudet
© 2015 CERN, for the ALICE Collaboration. This article is available under the terms of the Creative Commons Attribution 3.0 License.
The size of the particle emission region in high-energy collisions can be deduced using the femtoscopic
correlations of particle pairs at low relative momentum. Such correlations arise due to quantum statistics and
Coulomb and strong final state interactions. In this paper, results are presented from femtoscopic analyses
of π±π±, K±K±, K0
SK0
S, pp, and pp correlations from Pb-Pb collisions at √sNN = 2.76 TeV by the ALICE
experiment at the LHC. One-dimensional radii of the system are extracted from correlation functions in terms of
the invariant momentum difference of the pair. The comparison of the measured radii with the predictions from
a hydrokinetic model is discussed. The pion and kaon source radii display a monotonic decrease with increasing
average pair transverse mass mT which is consistent with hydrodynamic model predictions for central collisions.
The kaon and proton source sizes can be reasonably described by approximate mT scaling.
Julkaisija
American Physical SocietyISSN Hae Julkaisufoorumista
0556-2813Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/25357937
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Ellei muuten mainita, aineiston lisenssi on © 2015 CERN, for the ALICE Collaboration. This article is available under the terms of the Creative Commons Attribution 3.0 License.
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