Hints on the power corrections from current correlators in x-space

Details Hints on the power corrections from current correlators in x-space Hints on the power corrections from current correlators in x-space

2001-10-10

arxiv.org/abs/hep-ph/0110141v2

Phys.Lett. B522 (2001) 266-272

Physics

High Energy Physics

High Energy Physics - Phenomenology

Some misprints corrected. 8 pages including 2 tables and 2 figures

Scientific paper

10.1016/S0370-2693(01)01274-6

We consider an interpretation of the recent lattice data on the current-current correlators in the x-space. The data indicate rather striking difference between (axial)vector and (pseudo)scalar channels which goes beyond the predictions of the standard non-perturbative models. We argue that if the difference is to be explained by power corrections, there is a unique choice of the form of the correction. We discuss the emerging picture of the power corrections.

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