A Yu Umnikov

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The nuclear effects in the spin-dependent structure function g1 of the deuteron are studied in the kinematics of future experiments at CEBAF, (ν ≤ 3 GeV, Q2 ≤ 2 GeV 2). The magnitude of the nuclear effects is found to be significantly larger than the one occurring in deep inelastic scattering (ν → ∞, Q2 → ∞). We discuss the mechanism leading to large(More)
A theoretical approach to the investigation of spin-dependent structure functions in deep inelastic scattering of polarized leptons off polarized nuclei, based on the effective meson-nucleon theory and operator product expansion method, is proposed and applied to deuteron and 3He. The explicit forms of the moments of the deuteron and 3He spin-dependent(More)
A covariant field theoretical approach to deep inelastic scattering on the deuteron is presented. The deuteron structure function is calculated in terms of the BetheSalpeter amplitude. Numerical calculations for the nucleon contribution are made with a realistic model of the NN -interaction, including π-, ρ-, ω-, η-, δand σ-mesons, and results are compared(More)
Nuclear effects in the spin-dependent structure function g1 of the deuteron are studied in the kinematics of future experiments at CEBAF, (ν ≤ 3 GeV, Q2 ≤ 2 GeV 2). The magnitude of nuclear effects is found to be significantly larger than the one occurring in deep inelastic scattering (ν → ∞, Q2 → ∞). A possibility to measure the neutron structure functions(More)