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.
| Published in: | Journal of High Energy Physics |
|---|---|
| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2024-02-01
|
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP02(2024)198 |