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Heavy quark distribution function in hadrons

Authors
  • Oganesian, A. G.
Type
Preprint
Publication Date
Sep 19, 2008
Submission Date
Sep 19, 2008
Source
arXiv
License
Yellow
External links

Abstract

The moments of the heavy quark-parton distribution functions in a heavy pseudoscalar meson, obtained in QCD sum rules, are expanded in the inverse heavy quark. Comparison with the finite mass results reveals that while the heavy mass expansion works reasonably well for the $b$ quark, one has to take into account terms of higher than $(1/m_c)^2$ order for the $c$ quark.

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