标题:Transverse Momentum and Pseudorapidity Distributions of Charged Particles and Spatial Shapes of Interacting Events in Pb-Pb Collisions at 2.76 TeV
摘要:The transverse momentum and pseudorapidity distributions of charged
particles produced in Pb-Pb collisions with different centrality intervals at center-of-mass
energy per nucleon pair TeV have been analyzed by using the improved
multisource thermal model in which the whole interacting system and then the sources
are described by the Tsallis statistics. The modelling results are in agreement with experimental data of the ALICE Collaboration. The rapidity distributions of charged particles are obtained according to the extracted parameter values. The shapes of interacting
events (the dispersion plots of charged particles) are given in the momentum, rapidity,
velocity, and coordinate spaces. Meanwhile, the event shapes in different spaces consisted
by different transverse quantities and longitudinal quantities are presented.