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机译:The virtual photon-gluon impact factor with massive quarks and exact gluon kinematics
Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England;
CEA Saclay, Serv Phys Theor, F-91191 Gif Sur Yvette, France;
Univ Coll London, Dept Phys & Astron, London WC1E 6BT, England;
HEAVY FLAVOR PRODUCTION; SPLITTING FUNCTIONS; SMALL-X; FACTORIZATION; SINGULARITY; MESON; QCD;