Nuclear Shadowing in DIS: Numerical Solution of the Evolution Equation for the Green Function

Details Nuclear Shadowing in DIS: Numerical Solution of the Evolution Equation for the Green Function Nuclear Shadowing in DIS: Numerical Solution of the Evolution Equation for the Green Function

2003-01-08

arxiv.org/abs/hep-ph/0301043v2

Phys.Rev. C68 (2003) 035206

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages including 3 figures; a small revision of the text

Scientific paper

10.1103/PhysRevC.68.035206

Within a light-cone QCD formalism based on the Green function technique incorporating color transparency and coherence length effects we study nuclear shadowing in deep-inelastic scattering at moderately small Bjorken x_{Bj}. Calculations performed so far were based only on approximations leading to an analytical harmonic oscillatory form of the Green function. We present for the first time an exact numerical solution of the evolution equation for the Green function using realistic form of the dipole cross section and nuclear density function. We compare numerical results for nuclear shadowing with previous predictions and discuss differences.

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