What Can We Learn from (Pseudo)Rapidity Distribution in High Energy Collisions?

Abstract

Based on the (pseudo)rapidity distribution of final-state particles produced in proton-proton (pp) collisions at high energy, the probability distributions of momenta, longitudinal momenta, transverse momenta (transverse masses), energies, velocities, longitudinal velocities, transverse velocities, and emission angles of the considered particles are obtained in the framework of a multisource thermal model. The number density distributions of particles in coordinate and momentum spaces and related transverse planes, the particle dispersion plots in longitudinal and transverse coordinate spaces, and the particle dispersion plots in transverse momentum plane at the stage of freeze out in high energyppcollisions are also obtained.

Dihadron Azimuthal Correlations in 200 GeV Au-Au and 2.76 TeV Pb-Pb Collisions

“…The interaction between the two emission coordinates leads to the dihadron azimuthal correlation. In the high-energy collisions, the model has successfully described a variety of observables spectra at final state [9,10,13,14], which reveal a multisource phenomenon in the colliding process. Further discussions on the dihadron azimuthal correlations of other different colliding systems using the model will be of interest.…”

A Description of Transverse Momentum Distributions in p+p Collisions at RHIC and LHC Energies

“…In calculations, the sound speed in hadronic state takes the value of ℎ = 0.35 [47,48]. The critical temperature takes p+p 0.9 TeV p+p 0.9 TeV p+p 2.76 TeV p+p 2.76 TeV p+p 7 TeV p+p 7 TeV The transverse momentum distributions of the identified charged particles (| | < 1) produced in + collisions at √ = 0.9, 2.76, and 7 TeV (from top to bottom).…”