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Title: NLO evolution of color dipoles in N=4 SYM

Journal Article · · Nuclear Physics. B
 [1];  [1]
  1. Old Dominion Univ., Norfolk, VA (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Here, high-energy behavior of amplitudes in a gauge theory can be reformulated in terms of the evolution of Wilson-line operators. In the leading logarithmic approximation it is given by the conformally invariant BK equation for the evolution of color dipoles. In QCD, the next-to-leading order BK equation has both conformal and non-conformal parts, the latter providing the running of the coupling constant. To separate the conformally invariant effects from the running-coupling effects, we calculate the NLO evolution of the color dipoles in the conformal $${\cal N}$$=4 SYM theory. We define the "composite dipole operator" with the rapidity cutoff preserving conformal invariance.

Research Organization:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-06OR23177
OSTI ID:
979627
Report Number(s):
JLAB-THY--09-961; DOE/OR/23177--0660
Journal Information:
Nuclear Physics. B, Journal Name: Nuclear Physics. B Journal Issue: 1-2 Vol. 822; ISSN 0550-3213
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Solution of the NLO BFKL Equation and a Strategy for Solving the All-Order BFKL Equation text January 2013
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