Nnlo Soft and Virtual Corrections For
نویسنده
چکیده
with σ the physical cross section, σ̂ the partonic cross section, φf/hi the parton distribution for parton f in hadron hi, and μF , μR the factorization and renormalization scales, respectively. The perturbatively calculable σ̂ includes soft and virtual corrections from soft-gluon emission and virtual diagrams. These corrections appear as plus distributions and delta functions in σ̂. In single-particle-inclusive (1PI) kinematics the plus distributions areDl(s4) ≡ [ln(s4/M)/s4]+ with s4 = s+t+u− ∑ m, where s, t, u are kinematical invariants and m the masses of the particles in the
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تاریخ انتشار 2003