Deep inelastic beauty production at HERA in thekT-factorization approach | Zendy

A. V. Lipatov | Zendy; N. P. Zotov | Zendy

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Deep inelastic beauty production at HERA in thek_T-factorization approach

Author(s) -

A. V. Lipatov,

N. P. Zotov

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/08/043

Subject(s) - hera , zeus (particle detector) , physics , deep inelastic scattering , particle physics , factorization , gluon , collider , dglap , quark , proton , production (economics) , nuclear physics , cross section (physics) , quantum chromodynamics , scattering , inelastic scattering , computer science , algorithm , quantum mechanics , economics , macroeconomics , optics

We calculate the cross section of beauty production in electron-proton deepinelastic scattering at HERA collider in the framework of the kt-factorizationapproach. The unintegrated gluon distributions in a proton are obtained fromthe full CCFM, from unified BFKL-DGLAP evolution equations as well as from theKimber-Martin-Ryskin prescription. We investigate different production ratesand study the b-quark contribution to the inclusive proton structure functionF2(x,Q2) at small x and at moderate and high values of Q2. Our theoreticalresults are compared with the recent experimental data taken by the H1 and ZEUScollaborations. We demonstrate the importance of leading ln 1/x contributionsin description of the HERA data.Comment: 26 pages, 11 figures, 2 table

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