Abstract
New results are given to two-loop order and for quark masses of arbitrary flavour for the perturbative contribution to the coefficient function of the unit operator in the operator product expansion (OPE) of a vector correlator. A simple transformation of the presented results provides results for axial correlators.
| Original language | English |
|---|---|
| Pages (from-to) | 785-793 |
| Number of pages | 9 |
| Journal | Journal of Physics G |
| Volume | 16 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 1 Jan 1990 |
Keywords
- quark masses
- two-loop order
- vector correlator
- axial correlator
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