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Showing 1 to 2 of 2 for “"radiative B decays"”.
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B → K∗µ+µ− and Form Factors for Semi-Leptonic and Radiative B Decays
… exclusive modes, and of these semi-leptonic and radiative B decays will play a leading role in the search for new physics (NP). A prime example is the rare decay B→K∗(→ Kπ)µ+µ−, where the many measurable quantities offer important new tests of the Standard Model and its extensions. We define sets …
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Observation of b → dγ decays and determination of |V<sub>td</sub>/V<sub>ts</sub>|
The flavor changing neutral current process b → dγ is a sensitive probe to the Standard Model of elementary particle physics. Using a sample of 386 × 10⁶ B meson pairs accumulated by the Belle detector at the KEKB e⁺e⁻ collider, we measure the branching fractions for the exclusive modes B⁻ → ρ⁻γ, …