Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-06-23
PoSLHC07:029,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages, 12 figures, a talk presented at International Workshop on High-pT physics at LHC, Jyvaskyla, Finland, March 23-27 200
Scientific paper
We compare results of $k_t$-factorization approach and next-to-leading order collinear-factorization approach for photon-jet correlations in $pp$ and $p \bar p$ collisions at RHIC, Tevatron and LHC energies. We discuss correlations in azimuthal angle as well as in two-dimensional space of transverse momenta of photon and jet. Different unintegrated parton distributions (UPDF) are included in the $k_t$-factorization approach. The results depend on UPDFs used. The results of NLO collinear-factorization are shown for comparison.
Pietrycki Tomasz
Szczurek Antoni
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