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pro vyhledávání: '"Asatryan, Hrachya H."'
In a recent work, we calculated all three-loop diagrams contributing to the decay amplitude for $b \to s \gamma$ where none of the gluons touch the $b$-leg. In the present paper, we complete the calculation by working out all remaining three-loop dia
Externí odkaz:
http://arxiv.org/abs/2407.17270
Autor:
Asatrian, Hrachia M., Asatryan, Hrachya H., Hovhannisyan, Artyom, Nierste, Ulrich, Tumasyan, Sergey, Yeghiazaryan, Arsen
Publikováno v:
Phys. Rev. D 102, 033007 (2020)
We present new contributions to the decay matrix element $\Gamma_{12}^q$ of the $B_q$-$\bar B_q$ mixing complex, where $q=d$ or $s$. Our new results constitute the order $\alpha_s^2 N_f$ corrections to the penguin contributions to the Wilson coeffici
Externí odkaz:
http://arxiv.org/abs/2006.13227
Akademický článek
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Publikováno v:
Journal of High Energy Physics; Nov2024, Vol. 2024 Issue 11, p1-16, 16p
Autor:
Asatrian, Hrachia M., Asatryan, Hrachya H., Hovhannisyan, Artyom, Nierste, Ulrich, Tumasyan, Sergey, Yeghiazaryan, Arsen
Publikováno v:
Physical Review
We present new contributions to the decay matrix element Γ12q of the Bq−B¯q mixing complex, where q=d or s. Our new results constitute the order αs2Nf corrections to the penguin contributions to the Wilson coefficients entering Γ12q with full d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3000::336fe3f2f75dd8f147ee6de4eed6c114
http://repo.scoap3.org/api
http://repo.scoap3.org/api
Autor:
Asatrian, Hrachia M., Asatryan, Hrachya H., Hovhannisyan, Artyom, Nierste, Ulrich, Tumasyan, Sergey, Yeghiazaryan, Arsen
Publikováno v:
Physical review / D, 102 (3), Art.-Nr.: 033007
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2826a493797665a07ee335243b853e6b
Autor:
Asatrian, Hrachia M.1 hrachia@yerphi.am, Asatryan, Hrachya H.2 hrachasatryan48@gmail.com, Hovhannisyan, Artyom1 artyom@yerphi.am, Nierste, Ulrich3 ulrich.nierste@kit.edu, Tumasyan, Sergey2 sergey.tumasyan@gmail.com, Yeghiazaryan, Arsen1 arsen.yeghiazaryan@gmail.com
Publikováno v:
Physical Review D: Particles, Fields, Gravitation & Cosmology. 8/1/2020, Vol. 102 Issue 3, p1-1. 1p.