Münster 2002 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 41: Heavy Ions V

HK 41.3: Talk

Thursday, March 14, 2002, 14:45–15:00, E

Investigation of the event anisotropy with the CERES/NA45 experiment — •Jana Slivova and Jovan Milosevic — Physikalisches Institut der Universität Heidelberg, Philosophenweg 12, 69120 Heidelberg

Using the data obtained at the CERES/NA45 experiment the elliptic event anisotropy was studied in Pb+Au collisions at 40, 80, and 158 AGeV/c. This anisotropy is quantified by the second Fourier coefficient (v₂). Results are obtained both for identified pions and for charged particles. We will compare values of v₂ obtained using different methods - standard flow analysis with respect to the reaction plane, two-particle correlations, and preliminary results from the recently introduced method of cumulants (Phys. Rev. C 63, 054906 (2001)).