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| — | preprints:1997:ttp97-33 [2016/03/17 11:03] (current) – created - external edit 127.0.0.1 |
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| | ====== TTP97-33 Non-Abelian Dipole Radiation and the Heavy Quark Expansion ====== |
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| | <hidden TTP97-33 Non-Abelian Dipole Radiation and the Heavy Quark Expansion > Dipole radiation in QCD is derived to the second order in |
| | $\alpha_s$. A power-like evolution of the spin-singlet heavy quark |
| | operators is obtained to the same accuracy. We give an ${\cal |
| | O}(\alpha_s^2)$ relation between the short-distance low-scale running |
| | heavy quark mass and the $\overline{\rm MS}$ mass. We discuss the |
| | properties of an effective QCD coupling $\alpha_s^{(d)}(E)$ which |
| | governs the dipole radiation. We argue that this coupling is |
| | advantageous for describing heavy quark physics. |
| | </hidden> |
| | |**Andrzej Czarnecki, Kirill Melnikov, and Nikolai Uraltsev** | |
| | |** Phys. Rev. Lett. 80 3189 1998 ** | |
| | | {{preprints:1997:ttp97-33.pdf|PDF}} {{preprints:1997:ttp97-33.ps|PostScript}} [[http://arxiv.org/abs/hep-ph/9708372|arXiv]] | |
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