Axial anomaly at arbitrary virtualities
Journal Article
·
· Physics of Atomic Nuclei
OSTI ID:283099
- Joint Institute for Nuclear Research, Moscow (Russian Federation)
The one-loop analytic expression for the axial-vector triangle diagram involving an anomaly is obtained for arbitrary virtualities of external momenta. The `t Hooft consistency principle is applied to the QCD sum rules for the first moment of the photon spin structure function g{sub l}{sup {gamma}}. It is shown that the contribution of the singlet axial current to the sum rules for g{sub l}{sup {gamma}} vanishes. 19 refs., 1 fig.
- OSTI ID:
- 283099
- Journal Information:
- Physics of Atomic Nuclei, Vol. 58, Issue 12; Other Information: PBD: Dec 1995; TN: Translated from Yadernaya Fizika; 58: No. 12, 2266-2271(1995)
- Country of Publication:
- United States
- Language:
- English
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