Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-11-13
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 4 figures. Talk presented at the International Conference "Quarks-2010", 6-12 June, 2010, Kolomna, Russia
Scientific paper
We consider inclusive hadroproduction of jets, prompt photons, b-jets, and D-mesons in the quasi-multi-Regge-kinematics approach based on the hypothesis of gluon and quark Reggeization in t-channel exchanges at high energies. The data taken by the CDF and D0 Collaborations at the Fermilab Tevatron are well described without adjusting parameters. We find the main contribution to inclusive jet production to be the scattering of two Reggeized gluons, described by the effective Reggeon-Reggeon-gluon vertex, and to b-jet and D-meson production --- the scattering of a Reggeized gluon and a Reggeized quark to an ordinary quark, being expressed in terms of the Reggeon-Reggeon-quark vertex. The main contribution to prompt photon production arises from Reggeized quark-Reggeized antiquark annihilation, which is described by the effective Reggeon-Reggeon-photon vertex. Our analysis is based on the Kimber-Martin-Ryskin prescription for unintegrated gluon and quark distribution functions using as input the Martin-Roberts-Stirling-Thorne collinear parton distribution functions of the proton.
Saleev V. A.
Shipilova A. V.
Yatsenko E. V.
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