Anomalous dimension of the heavy-light quark current in HQET up to four loops
Abstract The anomalous dimension of the heavy-light quark current in HQET is calculated up to four loops. The N3LL perturbative correction to f B /f D is obtained.
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| Format: | Article |
| Language: | English |
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SpringerOpen
2024-02-01
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| Series: | Journal of High Energy Physics |
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| Online Access: | https://doi.org/10.1007/JHEP02(2024)198 |