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机译:Instanton contribution to the Sivers function
Univ Cagliari, Dipartimento Fis, I-09042 Monserrato, CA, Italy;
Ist Nazl Fis Nucl, Sez Cagliari, I-09042 Monserrato, CA, Italy;
Ruhr Univ Bochum, Inst Theoret Phys 2, D-44780 Bochum, GermanyBogoliubov Lab Theoret Phys, Joint Inst Nucl Res, Dubna 141980, Russia;
DEEP-INELASTIC SCATTERING; FINAL-STATE INTERACTIONS; SINGLE-SPIN ASYMMETRIES; PARTON DISTRIBUTIONS; HARD-SCATTERING; HIGH-ENERGY; QCD; MODEL; LEPTOPRODUCTION; GAUGE;