Journal
COMMUNICATIONS IN THEORETICAL PHYSICS
Volume 54, Issue 3, Pages 495-498Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0253-6102/54/3/23
Keywords
QCD sum rule; glueball; Fermion correction
Categories
Funding
- National Natural Science Foundation of China [10775073]
- Education Ministry of China [20070055037]
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Contributions of fermions to the mass of the scalar glueball 0(++) are calculated at two-loop level in the framework of QCD sum rules. Its lightly changes the coefficients in the operator product expansion (OPE) and shifts the mass of glueball to 1.72 +/- 0.07 GeV.
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