Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-07-24
Proc. XXXV PNPI Winter School, Repino, St.Petersburg, Russia, 19-25 Feb., 2001, ed: V.A.Gordeev et al.,pp. 259-278 (St.Petersb
Physics
High Energy Physics
High Energy Physics - Phenomenology
Presented at XXXXV PNPI Winter School, Repino, St.Petersburg, Russia, 19-25 Feb., 2001; Latex, 16 pages, 5 figures
Scientific paper
In this lecture the next-to-leading order (NLO) corrections to the QCD Pomeron intercept obtained from the Balitsky-Fadin-Kuraev-Lipatov (BFKL) equation are discussed. It is shown that the BFKL Pomeron intercept when evaluated in non-Abelian physical renormalization schemes with Brodsky-Lepage-Mackenzie (BLM) optimal scale setting does not exhibit the serious problems encountered in the modified minimal subtraction (bar{MS}) scheme. The results obtained provide an opportunity for applications of the NLO BFKL resummation to high-energy phenomenology. One of such applications for virtual gamma-gamma total cross section shows a good agreement with preliminary data at CERN LEP.
Fadin Victor S.
Kim Victor T.
Lipatov Lev N.
Pivovarov Grigorii B.
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