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The Second Moment of the Pion Light Cone Wave Function

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Original languageEnglish
Pages (from-to)416–418
JournalNuclear Physics B - Proceedings Supplements
Publication statusPublished - 21 Nov 2002


We present a preliminary result for second moment of the light cone wave function of the pion. This parameter is the subject of a discrepancy between theoretical predictions (coming from lattice and sum rules) and a recent experimental result (that remarkably agrees with purely perturbative predictions). In this work we exploit lattice hypercubic symmetries to remove power divergences and, moreover, implement a full 1-loop matching for all the contributing operators.

    Research areas

  • hep-lat

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