K. R. Nakamura

collaborators

4 papers

hep-ex2025

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +436

We report measurements of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decays based on a data sample of $(388 \pm 6) \times 1 0^{6}$ $B B ˉ$ events collected at the $Î¥(4…

hep-ex2025

Search for $B^{0} \to K^{* 0} I ¨ ^{+} I ¨ ^{-}$ decays at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +446

We present a search for the rare flavor-changing neutral-current decay $B^{0} \to K^{* 0} I ¨ ^{+} I ¨ ^{-}$ with data collected by the Belle II experiment at the SuperKEKB electron-posit…

hep-ex2024

Search for Rare $b \to d ℓ^{+} ℓ^{-}$ Transitions at Belle

Belle, Belle II Collaborations, : +393

We present the results of a search for the $b \to d ℓ^{+} ℓ^{-}$ flavor-changing neutral-current rare decays $B^{+, 0} \to (I^\cdot, I ¨ , I ¨ ^{+, 0}, I ¨ ^{+, 0}) e^{+} e^{-}$ and $B^{+, 0} \to (…

hep-ex2024

New graph-neural-network flavor tagger for Belle II and measurement of $sin 2 I ¨ _{1}$ in $B^{0} \to J / I ¨ K_{S}^{0}$ decays

Belle II Collaboration, I. Adachi, L. Aggarwal +413

We present GFlaT, a new algorithm that uses a graph-neural-network to determine the flavor of neutral $B$ mesons produced in $I^¥ (4 S)$ decays. It improves previous algorithms by usi…

Measurement of CP asymmetries in B0→KS0​I¨0I^3 decays at Belle II

Search for B0→K∗0I¨+I¨− decays at the Belle II experiment

Search for Rare b→dℓ+ℓ− Transitions at Belle

New graph-neural-network flavor tagger for Belle II and measurement of sin2I¨1​ in B0→J/I¨KS0​ decays

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decays at Belle II

Search for $B^{0} \to K^{* 0} I ¨ ^{+} I ¨ ^{-}$ decays at the Belle II experiment

Search for Rare $b \to d ℓ^{+} ℓ^{-}$ Transitions at Belle

New graph-neural-network flavor tagger for Belle II and measurement of $sin 2 I ¨ _{1}$ in $B^{0} \to J / I ¨ K_{S}^{0}$ decays