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 |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP02(2024)198 |
| _version_ | 1797276074683400192 |
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| author | Andrey Grozin |
| author_facet | Andrey Grozin |
| author_sort | Andrey Grozin |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-03-07T15:23:07Z |
| format | Article |
| id | doaj.art-a0c19ad7474d4bb18d8a94e25bc4a268 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-03-07T15:23:07Z |
| publishDate | 2024-02-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-a0c19ad7474d4bb18d8a94e25bc4a2682024-03-05T17:29:50ZengSpringerOpenJournal of High Energy Physics1029-84792024-02-012024211510.1007/JHEP02(2024)198Anomalous dimension of the heavy-light quark current in HQET up to four loopsAndrey Grozin0Budker Institute of Nuclear PhysicsAbstract 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.https://doi.org/10.1007/JHEP02(2024)198Effective Field Theories of QCDHigher-Order Perturbative Calculations |
| spellingShingle | Andrey Grozin Anomalous dimension of the heavy-light quark current in HQET up to four loops Journal of High Energy Physics Effective Field Theories of QCD Higher-Order Perturbative Calculations |
| title | Anomalous dimension of the heavy-light quark current in HQET up to four loops |
| title_full | Anomalous dimension of the heavy-light quark current in HQET up to four loops |
| title_fullStr | Anomalous dimension of the heavy-light quark current in HQET up to four loops |
| title_full_unstemmed | Anomalous dimension of the heavy-light quark current in HQET up to four loops |
| title_short | Anomalous dimension of the heavy-light quark current in HQET up to four loops |
| title_sort | anomalous dimension of the heavy light quark current in hqet up to four loops |
| topic | Effective Field Theories of QCD Higher-Order Perturbative Calculations |
| url | https://doi.org/10.1007/JHEP02(2024)198 |
| work_keys_str_mv | AT andreygrozin anomalousdimensionoftheheavylightquarkcurrentinhqetuptofourloops |