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hep-ph2000
Twist-4 quark-quark correlations in the pion from the instanton vacuum
Nam-Young Lee, K. Goeke, C. Weiss
The result for the matrix element A(I=2) = -0.14 F_pi^2 appears to be an artifact of an improper ultraviolet regularization. Paper withdrawn pending resolution of this problem.
hep-ph2000
Quark distribution functions in the chiral quark-soliton model: cancellation of quantum anomalies
K. Goeke, P. V. Pobylitsa, M. V. Polyakov +2
In the framework of the chiral quark-soliton model of the nucleon we investigate the properties of the polarized quark distribution. In particular we analyse the so called anomalou…