A Haplousterotic Model for the Nucleon Quark Distribution Amplitude

Physics – High Energy Physics – High Energy Physics - Phenomenology

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Titlepage + 5 pages including figures, postscript, gzipped, uuencoded (ca. 440kb). Hardcopies or ReVTeX sources can be ordered

Scientific paper

Using the criteria of simplicity, positivity, smoothness and process- independence of construction, we find a non-polynomial model for the quark distribution amplitude of the nucleon that is in agreement with QCD sum-rule constraints. This simpler ("haplousterotic") model solves some of the problems connected with the longitudinal momentum dependence of the wave function, whereas the k_T-dependence of the wave function, which is also important, is still left undetermined. The expansion pro- perties of the model into a polynomial series are examined.

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