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

Abstract

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.

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

References in corpus (4)

• Color Transparency versus Quantum Coherence in Electroproduction of Vector Mesons off Nuclei
• Gluon Shadowing and Heavy Flavor Production off Nuclei
• Nuclear effects in the Drell-Yan process at very high energies
• Incoherent Production of Charmonia off Nuclei As a Good Tool for Study of Color Transparency

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• Quantum-mechanical description of in-medium fragmentation
• Production of Polarized Vector Mesons off Nuclei
• Diffractive neutrino-production of pions on nuclei: Adler relation within the color-dipole description
• DDVCS on nucleons and nuclei
• Drell-Yan process in $pA$ collisions: the exact treatment of coherence effects
• Shadowing in Compton scattering on nuclei
• Nuclear shadowing in deep inelastic scattering on nuclei: a closer look
• Coherent photo- and electroproduction of charmonia on nuclear targets revisited: Green function formalism
• Nuclear Suppression of Dileptons at Large xF
• Nuclear suppression of dileptons at forward rapidities
• Coherence length and nuclear shadowing for transverse and longitudinal photons