Study of the neutral mesons in Pb-Pb collisions at √SNN=2.76 TeV in the ALICE experiment at LHC

被引：0
|
作者：
Leardini, Lucia [1 ]
机构：
[1] Heidelberg Univ, Phys Inst, D-69115 Heidelberg, Germany
来源：
HOT QUARKS 2014: WORKSHOP FOR YOUNG SCIENTISTS ON THE PHYSICS OF ULTRARELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS | 2015年 / 612卷
关键词：
PROTON-PROTON COLLISIONS; LENGTH; PION;
D O I：
10.1088/1742-6596/612/1/012005
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The pi(0) and eta meson production in Pb-Pb collisions at root(NN)-N-S=2.76 TeV is studied with the ALICE experiment at the LHC. The 7 meson invariant yields and nuclear modification factor RAA are presented here in six centrality classes. The results are obtained using the Photon Conversion Method (PCM) and utilizing the PHOS detector, for the transverse momentum range 0.4 < PT < 12 GeV/c. The pi(0) meson RAA is studied in different centrality classes and compared with results from experiments at lower energies, as a function of transverse momentum. The eta meson production is studied using the PCM and utilizing the EMCal detector. The combination of these two independent methods will make possible the measurement of the eta differential invariant cross section as a function of transverse momentum from 1 to 22 GeV/c in different centrality classes.
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页数：4
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