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| + | ====== TTP00-08 The three-loop on-shell renormalization of QCD and QED ====== | ||
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| + | < | ||
| + | and QED at the three loop level. Explicit results for the fermion mass | ||
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| + | wave function renormalization constant Z2 in QCD becomes gauge dependent | ||
| + | also in the on-shell scheme, thereby disproving the ``gauge-independence'' | ||
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| + | an O(alpha_s^3) contribution to the anomalous dimension of the heavy quark | ||
| + | field in HQET. | ||
| + | </ | ||
| + | |**Kirill Melnikov and Timo van Ritbergen** | ||
| + | |** Nucl. Phys. B591 515-546 2000 ** | | ||
| + | | {{preprints: | ||
| + | | | | ||