Hadron form factors in quantum chromodynamics: factorization and QCD sum rules method

Papers dealing with investigation into elastic hadron form factors at large momentum transfers and analysis of non-perturbating effects using the method of QCD sum rule (SR) are reviewed. Bases of the QCD SR method are given. The problem of the range of Q2 momentum transmission, when QCD SR asymptotical predictions are true, is investigated. The range of moderately large Q2(Q2>=4 GeV2), where behaviour of the pion form factor depends on the form of the wave function is noted to be most interesting. Investigation into hadron form factors at large Q2 can give data on the structure of QCD vacuum. Specification of experimental data for pion and proton form factors is necessary