期刊
PHYSICAL REVIEW D
卷 81, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.81.094010
关键词
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资金
- German Federal Ministry for Education and Research BMBF [05H09GUE]
- German Research Foundation DFG [KN 365/7-1]
- Helmholtz Association HGF [HA 101]
- Federal Agency for Education of the Russian Federation [P1338]
- International Center of Fundamental Physics in Moscow
- Dynastiya Foundation
We consider b-jet hadroproduction in the quasi-multi-Regge-kinematics approach based on the hypothesis of gluon and quark Reggeization in t-channel exchanges at high energies. The preliminary data on inclusive b-jet and b (b) over bar -dijet production taken by the CDF Collaboration at the Fermilab Tevatron are well described without adjusting parameters. We find the main contribution to inclusive b-jet production to be the scattering of a Reggeized gluon and a Reggeized b quark to a b quark, which is described by the effective Reggeon-Reggeon-quark vertex. The main contribution to b (b) over bar -pair production arises from the scattering of two Reggeized gluons to a b (b) over bar pair, which is described by the effective Reggeon-Reggeon-quark-quark 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.
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