Anisotropic flow measured in Pb-Pb collisions with the NA49 and NA61/SHINE experiments at CERN SPS

被引：0
|
作者：
Golosov, Oleg [1 ]
Klochkov, Viktor [2 ,3 ]
Kashirin, Evgeny [1 ]
Selyuzhenkov, Ilya [1 ,2 ]
机构：
[1] Natl Res Nucl Univ, Moscow Engn Phys Inst, Moscow, Russia
[2] GSI Helmholtzzentrum Schwerionenforsch, Darmstadt, Germany
[3] Goethe Univ Frankfurt, Frankfurt, Germany
来源：
4TH INTERNATIONAL CONFERENCE ON PARTICLE PHYSICS AND ASTROPHYSICS (ICPPA-2018) | 2019年 / 1390卷
关键词：
D O I：
10.1088/1742-6596/1390/1/012014
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Results are presented for directed flow vi of negatively charged pions measured relative to the spectator plane in Pb+Pb collisions at the beam energy 40A GeV recorded by the NA49 experiment at CERN. The measurements were performed as a function of rapidity and transverse momentum in two classes of collision centrality. The projectile spectator symmetry plane is estimated using the transverse segmentation of the forward hadron calorimeters. Analysis details related to event selection and particle identification are provided along with a description of the procedure used to apply corrections for the limited detection efficiency. Additionally a systematic study of effects due to detector non-uniformity on pion directed flow measurement is presented.
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页数：6
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