Abstract
It is widely believed that the matter created in p-p collisions exhibits a similar collective behavior as that formed in heavy ion collisions. In this paper, by taking into account the effects of thermal motion, the transverse momentum distributions of identified charged particles are discussed in the scope of the hydrodynamic model including phase transition. The theoretical model gives a good description to the data collected in p-p collisions at LHC energies for the transverse momentum up to about .
Highlights
In the past decades, a number of bulk observables about charged particles, such as the Fourier coefficients vn of azimuth-angle distributions [1] [2], transverse momentum spectra [3]-[8] and pseudorapidity distributions [9] [10], have experienced a series of extensive investigations in both nucleus and hadron collisions
By taking into account the effects of thermal motion, the transverse momentum distributions of identified charged particles are discussed in the scope of the hydrodynamic model including phase transition
The other is that the matter created in nucleus or hadron collisions shows a clear feature of collective flow, expanding
Summary
A number of bulk observables about charged particles, such as the Fourier coefficients vn of azimuth-angle distributions [1] [2], transverse momentum spectra [3]-[8] and pseudorapidity distributions [9] [10], have experienced a series of extensive investigations in both nucleus and hadron collisions. To clarify the role of thermal motion in the expansions of the produced matter in p-p collisions at LHC energies is the major subject of this paper To this end, we may as usual ignore the minor collective flow in the transverse directions.
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