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| + | ====== TTP06-25 Decoupling of heavy quarks in HQET ====== | ||
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| + | <hidden TTP06-25 | ||
| + | The decoupling coefficients for the HQET heavy-quark field | ||
| + | and the heavy-light quark current are calculated with the three-loop accuracy. | ||
| + | The last result can be used to improve the accuracy | ||
| + | of extracting f_B from HQET lattice simulations | ||
| + | | ||
| + | The decoupling coefficient for the flavour-nonsinglet QCD current | ||
| + | with n antisymmetrized \gamma-matrices is also obtained at three loops; | ||
| + | the result for the tensor current (n=2) is new. | ||
| + | </ | ||
| + | |**A.G. Grozin, A.V. Smirnov, V.A. Smirnov** | ||
| + | |** JHEP 11 022 2006 ** | | ||
| + | | {{preprints: | ||
| + | | | | ||