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Creators/Authors contains: "Miller, C"

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  1. Key Points Mackenzie River biogeochemical discharge decreases the southeastern Beaufort Sea carbon sink Terrestrial dissolved inorganic carbon (DIC) is the primary driver of outgassing events in the SBS, followed by terrestrial DOC Interannual variability in river discharge modulates localized air‐sea CO 2 flux 
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  3. We present a measurement of the branching fraction and fraction of longitudinal polarization of B 0 ρ + ρ decays, which have two π 0 ’s in the final state. We also measure time-dependent C P violation parameters for decays into longitudinally polarized ρ + ρ pairs. This analysis is based on a data sample containing ( 387 ± 6 ) × 10 6 ϒ ( 4 S ) mesons collected with the Belle II detector at the SuperKEKB asymmetric-energy e + e collider in 2019–2022. We obtain B ( B 0 ρ + ρ ) = ( 2.8 9 0.22 + 0.23 0.27 + 0.29 ) × 10 5 , f L = 0.92 1 0.025 + 0.024 0.015 + 0.017 , S = 0.26 ± 0.19 ± 0.08 , and C = 0.02 ± 0.1 2 0.05 + 0.06 , where the first uncertainties are statistical and the second are systematic. We use these results to perform an isospin analysis to constrain the Cabibbo-Kobayashi-Maskawa angle ϕ 2 and obtain two solutions; the result consistent with other Standard Model constraints is ϕ 2 = ( 92.6 4.7 + 4.5 ) ° . Published by the American Physical Society2025 
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    Free, publicly-accessible full text available May 1, 2026