Associated photon and heavy quark production at high energy within k_T-factorization

A.V. Lipatov; M.A. Malyshev; N.P. Zotov

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Associated photon and heavy quark production at high energy within k_T-factorization

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arxiv 1301.6515 v1 pith:CHTKJVJV submitted 2013-01-28 hep-ph

N.P. Zotov , A.V. Lipatov , M.A. Malyshev This is my paper · ORCID

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keywords alphaenergiesheavyhighproductionquarkt-factorizationamplitudes

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In the framework of the k_T-factorization approach, the production of prompt photons in association with a heavy (charm or beauty) quarks at high energies is studied. The consideration is based on the O(\alpha \alpha_s^2) off-shell amplitudes of gluon-gluon fusion and quark-(anti)quark interaction subprocesses. The unintegrated parton densities in a proton are determined using the Kimber-Martin-Ryskin prescription. Our numerical predictions are compared with the D0 and CDF experimental data. Also we extend our results to LHC energies.

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