Scaling behavior of charged hadron pₜ distributions in pp and pp collisions
Zhang, W. C. · Yang, C. B.
Original · EN
We report on a scaling behaviour in the transverse momentum (pₜ) distributions for charged hadrons produced in proton-proton (pp) collisions with different center of mass energies (√s = 0.9, 2.76 and 7 TeV) at the Compact Muon Solenoid (CMS) detector. This scaling behaviour appears when the pₜ is replaced by pₜ/K, where K is a parameter and depends on √s. A similar scaling behaviour is observed in the pₜ distributions of charged hadrons produced in proton-antiproton (pp) collisions with √s = 0.63, 1.8 and 1.96 TeV at the Collider Detector at Fermilab (CDF). The particle production mechanism behind the scaling behaviour in the pp or pp collisions could be explained by the model of percolation of strings.
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