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The Energy Dependence of Antiparticle to Particle Ratios in High Energy Pp Collisions by Wang, Jiang-ling; Chen, Gang; Li, Hai-jun; Li, Di-kai is a scholarly article available to read on EtoBox.

What is The Energy Dependence of Antiparticle to Particle Ratios in High Energy Pp Collisions about?

The energy dependence of antiparticle to particle ratios in pp collisions of high energy is studied using the PACIEA and DCPC model. The yield ratios of antimatter and matter for different masses are measured at various energies. It is found that the yield ratios of antimatter and matter increase with the increase of the c.m energy of pp collisions until they gradually approach to 1 after the c.m energy is more than 200 GeV. The distribution of transverse momentum also has signiffcant dependence on the energy and mass, i.e the average transverse momentum increase when the c.m energy of pp collisions increase. The model results are compatible with the STAR preliminary datum.

Author

Wang, Jiang-ling; Chen, Gang; Li, Hai-jun; Li, Di-kai

Published

2014

Language

EN