Y. Lai

activity

20132026

most citedThe Belle II Physics Book

570 citations · 2.2k across the 125 of their papers we have counts for

collaborators

Showing 2019Show all

10 papers · 1 filter

hep-ex2019★ 2 cited

Study of $B \to p p ˉ π π$

K. Chu, M. -Z. Wang, I. Adachi +174

Using a data sample of $772 \times 1 0^{6}$ BB pairs collected on the $Υ (4 S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we report the observat…

hep-ex2019★ 236 cited

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, G. Caria, P. Urquijo +188

The experimental results on the ratios of branching fractions $R (D) = B (B ˉ \to D τ^{-} ν ˉ_{τ}) / B (B ˉ \to D ℓ^{-} ν ˉ_{ℓ})$ and $\mathcal{R}(D^…

hep-ex2019★ 36 cited

Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment

Belle II Collaboration, F. Abudinén, I. Adachi +420

From April to July 2018, a data sample at the peak energy of the $Υ (4 S)$ resonance was collected with the Belle~II detector at the SuperKEKB electron-positron collider. This is the…

hep-ex2019

Experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$

The Belle Collaboration, A. Abdesselam, I. Adachi +454

We report an experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$ using 980 fb $^{- 1}$ data in the $e^{+} e^{-}$ annihilation around $s = 10.6$ GeV collected by…

hep-ex2019★ 134 cited

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

S. Choudhury, S. Sandilya, K. Trabelsi +220

We present measurements of the branching fractions for the decays $B \to K μ^{+} μ^{-}$ and $B \to K e^{+} e^{-}$ , and their ratio ( $R_{K}$ ), using a data sample of 711 $f b^{- 1}$ that…

hep-ex2019★ 4 cited

Search for $B^{0} \to X (3872) γ$

Belle Collaboration, P. -C. Chou, P. Chang +191

We report the results of a search for the decay $B^{0} \to X (3872) (\to J / ψ π^{+} π^{-}) γ$ . The analysis is performed on a data sample corresponding to an integrated luminosity of $711\,{…

hep-ex2019★ 68 cited

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, A. Abdesselam, I. Adachi +461

We report a measurement of the ratios of branching fractions $R (D) = B (B ˉ \to D τ^{-} ν ˉ_{τ}) / B (B ˉ \to D ℓ^{-} ν ˉ_{ℓ})$ and $\mathcal{R}(D^{…

hep-ex2019★ 2 cited

Measurement of branching fraction and final-state asymmetry for the $B ˉ^{0} \to K_{S}^{0} K^{\mp} π^{\pm}$ decay

Belle Collaboration, Y. -T. Lai, I. Adachi +184

We report a measurement of the branching fraction and final-state asymmetry for the $B ˉ^{0} \to K_{S}^{0} K^{\mp} π^{\pm}$ decays. The analysis is based on a data sample of 711 $…

hep-ex2019★ 170 cited

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Belle Collaboration, S. Wehle, I. Adachi +179

We present a measurement of $R_{K^{*}}$ , the branching fraction ratio $B (B \to K^{*} μ^{+} μ^{-})$ / $B (B \to K^{*} e^{+} e^{-})$ , for both charged and neutral $B$ meso…

hep-ex2019★ 35 cited

Measurement of the $D^{-}$ polarization in the decay $B^{0} \to D^{-} τ^{+} ν_{τ}$

Belle Collaboration, A. Abdesselam, I. Adachi +457

We report the first measurement of the $D^{*-}$ meson polarization in the decay $B^{0} \to D^{*-} τ^{+} ν_{τ}$ using the full data sample of 772 $\times 1 0^{6}$ $B B ˉ$ pairs recorded…

Study of B→ppˉ​ππ

Measurement of R(D) and R(D∗) with a semileptonic tagging method

Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment

Experimental determination of the isospin of Λc​(2765)+/Σc​(2765)+

Test of lepton flavor universality and search for lepton flavor violation in B→Kℓℓ decays

Search for B0→X(3872)γ

Measurement of R(D) and R(D∗) with a semileptonic tagging method

Measurement of branching fraction and final-state asymmetry for the Bˉ0→KS0​K∓π± decay

Test of lepton-flavor universality in B→K∗ℓ+ℓ− decays at Belle

Measurement of the D∗− polarization in the decay B0→D∗−τ+ντ​

Study of $B \to p p ˉ π π$

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

Experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

Search for $B^{0} \to X (3872) γ$

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

Measurement of branching fraction and final-state asymmetry for the $B ˉ^{0} \to K_{S}^{0} K^{\mp} π^{\pm}$ decay

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Measurement of the $D^{-}$ polarization in the decay $B^{0} \to D^{-} τ^{+} ν_{τ}$