Transverse momentum spectra of charged hadrons in jets at the Tevatron

2008/08/12 by Redamy Perez Ramos, Ramos, Redamy Perez
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph

paper · pdf · doi:10.48550/arxiv.0808.1689

Contributed to Hard Probes 2008, Illa da Toxa (Galicia, Spain). 6 pages and 6 figures submitted to EPJC

arxiv created 2008/08/12 · arxiv updated 2009/12/01

Abstract

The hadronic \kt-spectrum inside a high energy jet is determined including corrections of relative magnitude \cO√(α_s) with respect to the Modified Leading Logarithmic Approximation (MLLA), in the limiting spectrum approximation (assuming an infrared cut-off Q₀ =\lqcd) and beyond (Q₀≠\lqcd). The results in the limiting spectrum approximation are found to be, after normalization, in impressive agreement with measurements by the CDF collaboration. A new integral representation for the "hump-backed" plateau is also reported.

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• Collider Jets in Perturbation Theory