Heavy Pair Production Currents with General Quantum Numbers in Dimensionally Regularized NRQCD

Details Heavy Pair Production Currents with General Quantum Numbers in Dimensionally Regularized NRQCD Heavy Pair Production Currents with General Quantum Numbers in Dimensionally Regularized NRQCD

2006-09-15

arxiv.org/abs/hep-ph/0609151v2

Phys.Rev.D74:114016,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

39 pages, 2 tables, 10 figures; typos corrected, published version

Scientific paper

10.1103/PhysRevD.74.114016

We discuss the form and construction of general color singlet heavy particle-antiparticle pair production currents for arbitrary quantum numbers, and issues related to evanescent spin operators and scheme-dependences in nonrelativistic QCD (NRQCD) in n=3-2epsilon dimensions. The anomalous dimensions of the leading interpolating currents for heavy quark and colored scalar pairs in arbitrary (2S+1)L_J angular-spin states are determined at next-to-leading order in the nonrelativistic power counting.

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