First measurement of mixing-induced CP violation parameter S in B0 to pi0 pi0 decays yields 0.61 with large uncertainties via a novel quantum-entanglement method at Belle II.
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First observation of B+ → Σc(2455)++ Ξc'− and B0 → Σc(2455)0 Ξc'0 decays with branching fractions (1.68 ± 0.31 ± 0.12 +1.49−0.54)×10−3 and (1.28 ± 0.32 ± 0.10 +0.30−0.21)×10−3.
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Measurement of mixing-induced CP violation in the decay $B^0 \to \pi^0 \pi^0$
First measurement of mixing-induced CP violation parameter S in B0 to pi0 pi0 decays yields 0.61 with large uncertainties via a novel quantum-entanglement method at Belle II.
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Observation of the decays $B^{+} \to \Sigma_{c}(2455)^{++} \bar{\Xi}_{c}^{\prime-}$ and $B^{0} \to \Sigma_{c}(2455)^{0} \bar{\Xi}_{c}^{\prime0}$
First observation of B+ → Σc(2455)++ Ξc'− and B0 → Σc(2455)0 Ξc'0 decays with branching fractions (1.68 ± 0.31 ± 0.12 +1.49−0.54)×10−3 and (1.28 ± 0.32 ± 0.10 +0.30−0.21)×10−3.