Systematic study of charged-pion and kaon femtoscopy in Au+Au collisions at √sNN = 200 GeV
Journal Article
·
· Physical Review. C. Nuclear Physics
- Univ. of Colorado, Boulder, CO (United States). et al.
In this paper, we present a systematic study of charged pion and kaon interferometry in Au+Au collisions at √sNN=200 GeV. The kaon mean source radii are found to be larger than pion radii in the outward and longitudinal directions for the same transverse mass; this difference increases for more central collisions. The azimuthal-angle dependence of the radii was measured with respect to the second-order event plane and similar oscillations of the source radii were found for pions and kaons. Finally, hydrodynamic models qualitatively describe the similar oscillations of the mean source radii for pions and kaons, but they do not fully describe the transverse-mass dependence of the oscillations.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Organization:
- PHENIX Collaboration
- Grant/Contract Number:
- SC00112704; AC05-00OR22725
- OSTI ID:
- 1226054
- Alternate ID(s):
- OSTI ID: 1224624; OSTI ID: 1324143
- Report Number(s):
- BNL-108443-2015-JA; KB0201021
- Journal Information:
- Physical Review. C. Nuclear Physics, Vol. 92, Issue 3; ISSN 0556-2813
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 23 works
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