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The pseudorapidity distributions of charged particles measured in p+p($\rm\overline{p}$) collisions for energies ranging from $\sqrt{s_{NN}}=23.6$ GeV to13 TeV, d+Au collisions at $\sqrt{s_{NN}}=200$ GeV, p+Pb collisions at$\sqrt{s_{NN}}= 5.02$ TeV and A+A collisions at RHIC and LHC are investigatedin the fireball model with Tsallis thermodynamics. We assume that the rapidityaxis is populated with fireballs following q-Gaussian distribution and thecharged particles follow the Tsallis distribution in the fireball. Thetheoretical results are in good agreement with the experimental data for allthe collision systems and centralities investigated. The collision energy andcentrality dependence of the central position $y_0$ and its width $\sigma$ ofthe fireball distribution are also investigated. A possible application of themodel to predict the charged particle pseudorapidity distributions for thesystem size scan program proposed recently for the STAR experiment at RHIC isproposed.

Pseudorapidity distributions of charged particles in pp($\rm\overline{p}$), p(d)A and AA collisions using Tsallis thermodynamics