Off-shell quark bilinear operator Green’s functions at two loops

Off-shell quark bilinear operator Green’s functions at two loops

We construct the two-loop Green's functions for a quark bilinear operator inserted at nonzero momentum in a quark 2-point function for the most general off-shell configuration. In particular we consider the quark mass operator, vector and tensor currents as well as the second moment of the flav...

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Veröffentlicht in:Physical review. D 2019-06, Vol.99 (12), p.1, Article 125017
1. Verfasser: Gracey, J. A.
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Green's functions
Operators (mathematics)
Quarks
Tensors
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description We construct the two-loop Green's functions for a quark bilinear operator inserted at nonzero momentum in a quark 2-point function for the most general off-shell configuration. In particular we consider the quark mass operator, vector and tensor currents as well as the second moment of the flavor nonsinglet Wilson operator.
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subjects Green's functions
Operators (mathematics)
Quarks
Tensors
title Off-shell quark bilinear operator Green’s functions at two loops
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