Exclusive processes in position space and the pion distribution amplitude

URN to cite this document:: urn:nbn:de:bvb:355-epub-135598
DOI to cite this document:: 10.5283/epub.13559

Braun, Vladimir M. ; Müller, Dieter

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Date of publication of this fulltext: 15 Mar 2010 13:31

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Abstract

We suggest to carry out lattice calculations of current correlators in position space, sandwiched between the vacuum and a hadron state (e.g. pion), in order to access hadronic light-cone distribution amplitudes (DAs). In this way the renormalization problem for composite lattice operators is avoided altogether, and the connection to the DA is done using perturbation theory in the continuum. As ...