Left-right asymmetry of nuclear shadowing in charged current DIS

Details Left-right asymmetry of nuclear shadowing in charged current DIS Left-right asymmetry of nuclear shadowing in charged current DIS

2005-09-11

arxiv.org/abs/hep-ph/0509097v2

Phys.Lett. B632 (2006) 87-91

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 1 figure, references added

Scientific paper

10.1016/j.physletb.2005.11.010

We study the shadowing effect in highly asymmetric diffractive interactions of left-handed and right-handed W-bosons with atomic nuclei. The target nucleus is found to be quite transparent for the charmed-strange Fock component of the light-cone W^+ in the helicity state \lambda=+1 and rather opaque for the c\bar s dipole with \lambda=-1. The shadowing correction to the structure function \Delta xF_3 = xF_3^{\nu N}-xF_3^{\bar\nu N} extracted from \nu Fe and \bar\nu Fe data is shown to make up about 20% in the kinematical range of CCFR/NuTeV.

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