Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 12, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP12(2018)008
Keywords
Anomalies in Field and String Theories; Renormalization Group
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Funding
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-SC0012704]
- LDRD grant from Brookhaven Science Associates
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We show that, in dimensional regularization in the minimal subtraction scheme, the QCD trace anomaly can be unambiguously decomposed into two parts coming from the renormalized quark and gluon energy momentum tensors. We carry out this decomposition at the two-loop level. The result can be used to constrain the renormalization group properties of the nucleon's twist-four gravitational form factor (C) over bar (qg).
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