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| — | preprints:2009:ttp09-17 [2016/03/17 11:03] (current) – created - external edit 127.0.0.1 |
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| | ====== TTP09-17 Reconstruction of heavy quark current correlators at O(α<sub>s</sub><sup>3</sup>) ====== |
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| | <hidden TTP09-17 Reconstruction of heavy quark current correlators at O(α<sub>s</sub><sup>3</sup>) > We construct approximate formulas for the O(α<sub>s</sub><sup>3</sup>) QCD contributions to |
| | vector, axial-vector, scalar and pseudo-scalar quark current correlators, which are valid for |
| | arbitrary values of momenta and masses. The derivation |
| | is based on conformal mapping and the Padé approximation procedure and |
| | incorporates known expansions in the low energy, threshold and high energy |
| | regions. We use our results to estimate additional terms in |
| | these expansions. |
| | </hidden> |
| | |**Y. Kiyo, A. Maier, P. Maierhöfer, P. Marquard** | |
| | |** Nuclear Physics B 823 269-287 2009 ** | |
| | | {{preprints:2009:ttp09-17.pdf|PDF}} {{preprints:2009:ttp09-17.ps|PostScript}} [[http://arxiv.org/abs/0907.2120|arXiv]] [[http://ttp.kit.edu/Progdata/ttp09/ttp09-17|Programs and Data]] | |
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