Skip to content

Model Independent Results for SU(3) Violation in Light-Cone Distribution Functions

Jiunn-Wei Chen, Iain W. Stewart

hep-pharXiv:hep-ph/0311285

Abstract

Using chiral symmetry we investigate the leading SU(3) violation in light-cone distribution functions phiM(x) of the pion, kaon, and eta. It is shown that terms non-analytic in the quark masses do not affect the shape, and only appear in the decay constants. Predictive power is retained including the leading analytic mq operators. With the symmetry violating corrections we derive useful model independent relations between phipi, phieta, and phiK. Using the soft-collinear effective theory we discuss how factorization generates the subleading chiral coefficients.

Create a lesson