DOI 10.1007/s1005298000876
Heavy quark pair correlations in QCD
Yu.M. Shabelski - A.G. Shuvaev
Petersburg Nuclear Physics Institute,
Gatchina, St.Petersburg, 188350, Russia
(e-mail: SHABEL@VXDESY.DESY.DE,
SHUVAEV@THD.PNPI.SPB.RU)
Received: 7 August 1997 / Revised version: 20 Jauary 1998 / Published online: 6 November 1998
Abstract
The azimuthal correlations of heavy quarks produced in high energy pp
(
) collisions are calculated in the perturbative QCD
without usual assumptions of the parton model. The virtual nature of the
interacting gluons as well as their transverse motion and different
polarizations are taken into account within the framework
of the semihard processes theory describing the parton distributions
in the region of the small Bjorken variable x. We give some predictions
for the azimuthal correlations of charm and beauty hadrons produced at
Tevatron-collider and LHC. Our approach can be of interest also for
HERA energy region, since it shows a difference with the conventional
parton model in the small x domain
Copyright Springer-Verlag
