Quantum corrections to the Weizsaecker-Williams gluon distribution function at small {ital x}
- School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455 (United States)
- Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195 (United States)
We compute the quantum corrections to the gluon distribution function in the background of a non-Abelian Weizsaecker-Williams field. These corrections are valid to all orders in the effective coupling {alpha}{sub {ital s}}{mu}, where {mu}{sup 2} denotes the average valence quark color charge squared per unit area. We find ln(1/{ital x}) logarithmic corrections to the classical gluon distribution function. The one-loop corrections to the classical Weizsaecker-Williams field do not contribute to these singular terms in the distribution function. Their effect is to cause the running of {alpha}{sub {ital s}}. {copyright} {ital 1995 The American Physical Society.}
- Research Organization:
- University of Minnesota
- DOE Contract Number:
- AC02-83ER40105; FG02-87ER40328; FG06-90ER40561
- OSTI ID:
- 253527
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 1 Vol. 53; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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