The Tsallis distribution in proton–proton collisions at $\sqrt{s}$ = 0.9 TeV at the LHC
J. CleymansUCT-CERN Research Centre, Department of Physics, University of Cape Town, Rondebosch 7701, South AfricaD. WorkuUCT-CERN Research Centre, Department of Physics, University of Cape Town, Rondebosch 7701, South Africa
2012en
ABI
Annotatsiya
The Tsallis distribution has been used recently to fit the transverse momentum distributions of identified particles by the STAR and PHENIX collaborations at the Relativistic Heavy Ion Collider and by the ALICE and CMS collaborations at the Large Hadron Collider. Theoretical issues are clarified concerning the thermodynamic consistency of the Tsallis distribution in the particular case of relativistic high energy quantum distributions. An improved form is proposed for describing the transverse momentum distribution and fits are presented together with estimates of the parameter $q$ and the temperature $T$.
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