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arXiv · 0903.4834

Photon - Jet Correlations and Constraints on Fragmentation Functions

Z. Belghobsi·M. Fontannaz·J. -Ph. Guillet·G. Heinrich·E. Pilon·M. Werlen
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Abstract

We study the production of a large-pT photon in association with a jet in proton-proton collisions. We examine the sensitivity of the jet rapidity distribution to the gluon distribution function in the proton. We then assess the sensitivity of various photon + jet correlation observables to the photon fragmentation functions. We argue that RHIC data on photon-jet correlations can be used to constrain the photon fragmentation functions in a region which was barely accessible in LEP experiments.

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Z. Belghobsi, M. Fontannaz, J. -Ph. Guillet, G. Heinrich, E. Pilon, M. Werlen. 2009-03-27. Photon - Jet Correlations and Constraints on Fragmentation Functions. https://doi.org/10.1103/physrevd.79.114024

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