# Production of leading charged particles and leading charged-particle jets at small transverse momenta in $pp$ collisions at $\sqrt{s}=8 TeV$

CMS Collaboration; Khachatryan, V; Sirunyan, A M; Tumasyan, A; Aarrestad, T K; Amsler, C; Canelli, F; Chiochia, V; De Cosa, A; Hinzmann, A; Hreus, T; Kilminster, B; Lange, C; Ngadiuba, J; Pinna, D; Robmann, P; Ronga, F J; Taroni, S; Yang, Y; et al (2015). Production of leading charged particles and leading charged-particle jets at small transverse momenta in $pp$ collisions at $\sqrt{s}=8 TeV$. Physical Review D (Particles, Fields, Gravitation and Cosmology), 92:112001.

## Abstract

The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given pminT threshold starting at pminT=0.8 and 1 GeV, respectively, is studied in pp collisions at $\sqrt{s}=8 TeV$. The particles and the jets are measured in the pseudorapidity ranges $\mid \eta \mid$ < 2.4 and 1.9, respectively. The data are sensitive to the momentum scale at which parton densities saturate in the proton, to multiple partonic interactions, and to other key aspects of the transition between the soft and hard QCD regimes in hadronic collisions.

## Abstract

The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given pminT threshold starting at pminT=0.8 and 1 GeV, respectively, is studied in pp collisions at $\sqrt{s}=8 TeV$. The particles and the jets are measured in the pseudorapidity ranges $\mid \eta \mid$ < 2.4 and 1.9, respectively. The data are sensitive to the momentum scale at which parton densities saturate in the proton, to multiple partonic interactions, and to other key aspects of the transition between the soft and hard QCD regimes in hadronic collisions.

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Item Type: Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics English 19 February 2015 18 Feb 2016 13:24 14 Feb 2018 11:22 American Physical Society 1550-7998 Hybrid https://doi.org/10.1103/PhysRevD.92.112001 arXiv:1507.00233v2