Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-09-12
J.Phys.G28:2597-2616,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
19 pages, 19 figures
Scientific paper
10.1088/0954-3899/28/10/306
The QCD improved parton model is a very successful concept to treat processes in hadronic interactions, whenever large partonic transverse momenta are involved. However, cross sections diverge in the limit p_T -> 0, and the usual treatment is the definition of a lower cutoff p_T_min, such that processes with a smaller p_T -- so-called soft processes -- are simply ignored, which is certainly not correct for example at RHIC energies. A more consistent procedure amounts to introduce a technical parameter Q_0^2, referred to as soft virtuality scale, which is nothing but an artificial borderline between soft and hard physics. We will discuss such a formalism, which coincides with the improved parton model for high p_T processes and with the phenomenological treatment of soft scattering, when only small virtualities are involved. The most important aspect of our approach is that it allows to obtain a smooth transition between soft and hard scattering, and therefore no artificial dependence on a cutoff parameter should appear.
Drescher Hans-Joachim
Liu Fa-Min
Ostapchenko Sergey
Pierog Tanguy
Werner Kirstin
No associations
LandOfFree
Consistent Treatment of Soft and Hard Processes in Hadronic Interactions does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Consistent Treatment of Soft and Hard Processes in Hadronic Interactions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Consistent Treatment of Soft and Hard Processes in Hadronic Interactions will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-611269