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YFS MC Approach to QCD Soft Gluon Exponentiation | | B.F.L. Ward
; S. Jadach
; | | Date: |
7 May 2002 | | Journal: | Acta Phys.Polon. B33 (2002) 1543-1558 | | Subject: | hep-ph | | Affiliation: | 1 and 2) and S. Jadach (3 and 4) ( Werner-Heisenberg-Institut, Max-Planck-Institut fuer Physik, Muenchen, Germany, Department of Physics and Astronomy, The University of Tennessee, Knoxville, TN, USA, CERN, Theory Division, Geneva, Switzerland, Ins | | Abstract: | We present two things in this discussion. First, we develop and prove the theory of the extension of the YFS Monte Carlo approach to higher order SU_{2L} x U_1 radiative corrections to the analogous higher order QCD radiative corrections. Contact is made with other pioneering soft gluon resummation theories in the literature. Second, semi-analytical results and preliminary explicit Monte Carlo data are presented for the specific example of the processes p-bar p -> t-bar t +n(G)+X at FNAL energies, where G is a soft gluon and the respective event generator, ttp1.0, features realistic, event-by-event simulation of multiple, soft, finite p_T gluon effects in which the infrared singularities are canceled to all orders in alpha_s. We comment briefly on the implications of our results on the CDF/D0 observations and on their possible applications to RHIC physics and to LHC physics. | | Source: | arXiv, hep-ph/0205062 | | Services: | Forum | Review | PDF | Favorites | |
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