Meson twist-4 parton distributions in terms of twist-2 distribution amplitudes at large Nc

Details Meson twist-4 parton distributions in terms of twist-2 distribution amplitudes at large Nc Meson twist-4 parton distributions in terms of twist-2 distribution amplitudes at large Nc

2000-11-13

arxiv.org/abs/hep-ph/0011166v1

J.Phys. G27 (2001) L127

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, one figure

Scientific paper

10.1088/0954-3899/27/12/101

We show that in the large N_c limit four-quark twist-4 distributions in the
pion can be expressed in terms of twist-2 pion distribution amplitude. This
allows us to compute the isospin-2 structure function of the pion
F_2^{I=2}(x_B) in the large N_c limit. The method can be easily applied to
other mesons as well.

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