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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/21961
Single-inclusive production of large-pT charged particles in hadronic collisions at TeV energies and perturbative QCD predictions
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The single inclusive spectrum of charged particles with transverse momenta pT = 3 – 150 GeV/c measured at midrapidity by the CDF experiment in proton-antiproton \( \left( {p - \bar{p}} \right) \) collisions at \( \sqrt {s} = 1.96{\text{ TeV}} \) is compared to next-to-leading order (NLO) perturbative QCD calculations using the most recent parametrizations of the parton distributions and parton-to-hadron fragmentation functions. Above pT ≈ 20 GeV/c, there is a very sizeable disagreement of the Tevatron data compared to the NLO predictions and to xT-scaling expectations, suggesting a problem in the experimental data. We also present the predictions for the pT-differential charged hadron spectra and the associated theoretical uncertainties for proton-proton (p-p) collisions at LHC energies \( \left( {\sqrt {s} = 0.9 - 14{\text{ TeV}}} \right) \). Two procedures to estimate the charged hadron spectra at LHC heavy-ion collision energies \( \left(\sqrt {s} = 2.76 \right) \), 5.5 TeV) from p-p measurements are suggested.
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ARLEO, François, ENTERRIA I ADAN, David G. d' and YOON, Andre S. Single-inclusive production of large-pT charged particles in hadronic collisions at TeV energies and perturbative QCD predictions. Journal of High Energy Physics. 2010. Vol. 6, num. 35. ISSN 1029-8479. [consulted: 10 of August of 2026]. Available at: https://hdl.handle.net/2445/21961