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Precocious asymptopia for charm from the running BFKL

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Abstract

The running BFKL equation gives rise to a series of moving poles in the complex j plane. The corresponding eigenfunctions (color dipole cross sections) are oscillatory functions of the color dipole size r. The first nodes for all subleading solutions (color dipole cross sections) are clustered at r 1∼0.1 fm. Therefore the processes dominated by dipole sizes rr 1 are free of subleading BFKL corrections. An example of practical importance is the leptoproduction of charm. Over a wide range of Q 2 the calculated F cc2 (x,Q 2) is exhausted by the leading BFKL pole and gives a perfect description of the experimental data.

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Pis’ma Zh. Éksp. Teor. Fiz. 69, No. 3, 176–180 (10 February 1999)

Published in English in the original Russian journal. Edited by Steve Torstveit.

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Nikolaev, N.N., Zoller, V.R. Precocious asymptopia for charm from the running BFKL. Jetp Lett. 69, 187–191 (1999). https://doi.org/10.1134/1.568004

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  • DOI: https://doi.org/10.1134/1.568004

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