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VOLUME 85 | ISSUE 7 | PAGE 387
Color dipoles, PCAC and Adler's theorem
R. Fiore*, V. R. Zoller1) +
*Dipartimento di Fisica, Università della Calabria
*Istituto Nazionale di Fisica Nucleare, Gruppo collegato di Cosenza, I-87036 Rende, Cosenza, Italy
+Institute for Theoretical and Experimental Physics, 117218 Moscow, Russia

PACS: 12.38.-t
Abstract
Being reformulated in the color dipole basis of small-x QCD Adler's theorem establishes a connection between perturbative and non-perturbative descriptions of DIS and quantifies the effect of non-perturbative dynamics on would-be-perturbative observables. In particular, it provides a quantitative measure of the non-perturbative influence on the longitudinal structure function in charged current DIS and imposes stringent constraints on non-perturbative parameters of color dipole models. Our analysis calls for new experimental tests of Adler's theorem in diffractive neutrino scattering.


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