English

Inclusive Jets in PHP

High Energy Physics - Experiment 2014-02-25 v1

Abstract

Differential inclusive-jet cross sections have been measured in photoproduction for boson virtualities Q^2 < 1 GeV^2 with the ZEUS detector at HERA using an integrated luminosity of 300 pb^-1. Jets were identified in the laboratory frame using the k_T, anti-k_T or SIScone jet algorithms. Cross sections are presented as functions of the jet pseudorapidity, eta(jet), and the jet transverse energy, E_T(jet). Next-to-leading-order QCD calculations give a good description of the measurements, except for jets with low E_T(jet) and high eta(jet). The cross sections have the potential to improve the determination of the PDFs in future QCD fits. Values of alpha_s(M_Z) have been extracted from the measurements based on different jet algorithms. In addition, the energy-scale dependence of the strong coupling was determined.

Keywords

Cite

@article{arxiv.1310.6296,
  title  = {Inclusive Jets in PHP},
  author = {Philipp Roloff},
  journal= {arXiv preprint arXiv:1310.6296},
  year   = {2014}
}

Comments

To appear in the proceedings of the EPS HEP 2013 conference

R2 v1 2026-06-22T01:52:38.639Z