Study of the Linked Dipole Chain Model in heavy quark production at the Tevatron.pdf
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LU-TP 03-42
hep-ph/yymmnn
Study of the Linked Dipole Chain Model
in heavy quark production at the Tevatron
A.V. Lipatov
Physical Department, M.V. Lomonosov Moscow State University, 119992 Moscow, Russia∗
L. L¨onnblad
3 Dept. of Theoretical Physics, S¨olvegatan 14A, S-223 62 Lund, Sweden†
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N.P. Zotov
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S D.V. Skobeltsyn Institute of Nuclear Physics,
7 M.V. Lomonosov Moscow State University, 119992 Moscow, Russia‡
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1 Abstract
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7 We present calculations of charm and beauty production at Tevatron within the framework of kT -
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2 factorization, using the unintegrated gluon distributions as obtained from the Linked Dipole Chain
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0 model. The analysis covers transverse momentum and rapidity distributions and the azimuthal
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/ correlations between b and b quarks (or rather muons from their decay) which are powerful tests
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p for the different unintegrated gluon distributions. We compare the theoretical results with recent
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e experimental data taken by DØ and CDF collaborations at the Tevatron Run I and II.
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∗Electronic address: lipatov@theory.sinp.msu.ru
†Electronic address: Leif.Lonnblad@thep.lu.se
‡Electronic address: zotov@theory.sinp.msu.ru
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I. INTRODUCTION
It is known that in the description of a given cross sect
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