We report a determination of the CKM angle ϕ3, also known as γ, from a combination of measurements using samples of up to 711 fb−1 from the Belle experiment and up to 362 fb−1 from the Belle II experiment. We combine results from analyses of B+ → DK+, B+ → Dπ+, and B+ → D∗K+ decays, where D is an admixture of D0 and D0 mesons, in a likelihood fit to obtain ϕ3 = (75.2 ± 7.6)◦. We also briefly discuss the interpretation of this result.
Determination of the CKM angle ϕ3 from a combination of Belle and Belle II results
F. Bianchi;S. Das;M. Destefanis;M. Maggiora;S. Marcello;S. Spataro;
2024-01-01
Abstract
We report a determination of the CKM angle ϕ3, also known as γ, from a combination of measurements using samples of up to 711 fb−1 from the Belle experiment and up to 362 fb−1 from the Belle II experiment. We combine results from analyses of B+ → DK+, B+ → Dπ+, and B+ → D∗K+ decays, where D is an admixture of D0 and D0 mesons, in a likelihood fit to obtain ϕ3 = (75.2 ± 7.6)◦. We also briefly discuss the interpretation of this result.File in questo prodotto:
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