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General Expression for Three-loop β-functions of N = 1 Supersymmetric Theories with Multiple Gauge Couplings Regularized by Higher Covariant Derivativesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июня 2025 г.
- Автор: Haneychuk O.V.
- Журнал: JETP Letters
- Том: 121
- Номер: 5
- Год издания: 2025
- Издательство: Pleiades Publishing, Ltd
- Местоположение издательства: Road Town, United Kingdom
- Первая страница: 320
- Последняя страница: 323
- DOI: 10.1134/S0021364025600119
- Аннотация: For N = 1 supersymmetric theories with multiple gauge couplings regularized by higher covariantderivatives, a general expression for three-loop gauge β-functions is obtained. For this purpose, using general statements about the validity of the Novikov, Shifman, Vainshtein, and Zakharov (NSVZ) relations, a result is constructed for the β-functions defined in terms of the bare couplings. It is demonstrated that in the particularcase of Minimal Supersymmetric Standard Model (MSSM), it precisely reproduces the known expressions found earlier in another way. For the case where Yukawa couplings are absent, similar expressions for three-loop β-functions are also obtained in terms of the renormalized couplings in an arbitrary subtraction scheme and, inparticular, in the $\overline\mbox{DR}$scheme.
- Добавил в систему: Ханейчук Олеся Васильевна