Current non-conservation effects in $\hat{I}½$DIS diffraction

Abstract

In the neutrino DIS diffraction the charged current non-conservation gives rise to sizable corrections to the longitudinal structure function, $F_L$. These corrections is a higher twist effect enhanced at small-$x$ by the rapidly growing gluon density. The phenomenon manifests itself in abundant production of charm and strangeness by longitudinally polarized W bosons of moderate virtualities $Q^2\lsim m_c^2$.

Prepared for the Int. Workshop on Diffraction in High-Energy Physics, Diffraction 2008, La Londe-les-Maures, France, Sept. 9-14, 2008