Refine
Year of publication
Language
- English (436)
Has Fulltext
- yes (436)
Is part of the Bibliography
- no (436)
Keywords
- Heavy Ion Experiments (13)
- Hadron-Hadron scattering (experiments) (11)
- LHC (7)
- Heavy-ion collision (5)
- ALICE experiment (3)
- Hadron-Hadron Scattering (3)
- pp collisions (3)
- ALICE (2)
- Beauty production (2)
- Particle and resonance production (2)
Institute
- Physik (436) (remove)
We present a study of the inclusive charged-particle transverse momentum (pT) spectra as a function of charged-particle multiplicity density at mid-pseudorapidity, dNch/dη, in pp collisions at s√=5.02 and 13 TeV covering the kinematic range |η|<0.8 and 0.15<pT<20 GeV/c. The results are presented for events with at least one charged particle in |η|<1 (INEL>0). The pT spectra are reported for two multiplicity estimators covering different pseudorapidity regions. The pT spectra normalized to that for INEL>0 show little energy dependence. Moreover, the high-pT yields of charged particles increase faster than the charged-particle multiplicity density. The average pT as a function of multiplicity and transverse spherocity is reported for pp collisions at s√=13 TeV. For low- (high-) spherocity events, corresponding to jet-like (isotropic) events, the average pT is higher (smaller) than that measured in INEL>0 pp collisions. Within uncertainties, the functional form of ⟨pT⟩(Nch) is not affected by the spherocity selection. While EPOS LHC gives a good description of many features of data, PYTHIA overestimates the average pT in jet-like events.