Fermion correction to the mass of the scalar glueball in QCD sum rule
arXiv:0911.0806 · doi:10.1088/0253-6102/54/3/23
Abstract
Contributions of fermions to the mass of the scalar glueball are calculated at two-loop level in the framework of QCD sum rules. It obviously changes the coefficients in the operator product expansion (OPE) and shifts the mass of glueball.
5 pages, 2 figures