$B s → K 0 K ¯ 0 $$ {B}_s\to {K}^0{\overline{K}}^0 $$ beyond the Standard Model$

B s → K 0 K ¯ 0 $$ {B}_s\to {K}^0{\overline{K}}^0 $$ beyond the Standard Model

Abstract Within the Standard Model, the branching fraction of the rare decay B s → K 0 K ¯ 0 $$ {B}_s\to {K}^0{\overline{K}}^0 $$ is related to other decay rates and CP asymmetries through the approximate SU(3) flavor symmetry of the strong interactions and the heavy-quark limit. Three such relation...

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Bibliographic Details
Main Authors:	Yuval Grossman, Matthias Neubert, Yosef Nir, Yogev Shpilman, Yehonatan Viernik
Format:	Article
Language:	English
Published:	SpringerOpen 2025-05-01
Series:	Journal of High Energy Physics
Subjects:	Bottom Quarks Rare Decays Effective Field Theories of QCD Flavour Symmetries
Online Access:	https://doi.org/10.1007/JHEP05(2025)210
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