A. Chen

activity

20042023

most citedObservation of a near-threshold omega-J/psi mass enhancement in exclusive B-->K omega J/psi decays

346 citations · 4k across the 96 of their papers we have counts for

collaborators

100 papers

hep-ex2023★ 6 cited

Measurement of the mass and width of the $Λ_{c} (2625)^{+}$ and the branching ratios of $Λ_{c} (2625)^{+} \to Σ_{c}^{0} π^{+}$ and $Λ_{c} (2625)^{+} \to Σ_{c}^{++} π^{-}$

Belle Collaboration, D. Wang, J. Yelton +181

Using the entire data sample of $980 fb^{- 1}$ collected with the Belle detector operating at the KEKB asymmetric-energy collider, we report the measurement of the mass, w…

hep-ex2022★ 9 cited

First observation of $B \to D ˉ_{1} (\to D ˉ π^{+} π^{-}) ℓ^{+} ν_{ℓ}$ and measurement of the $B \to D ˉ^{()} π ℓ^{+} ν_{ℓ}$ and $B \to D ˉ^{()} π^{+} π^{-} ℓ^{+} ν_{ℓ}$ branching fractions with hadronic tagging at Belle

Belle Collaboration, F. Meier, A. Vossen +202

We report measurements of the ratios of branching fractions for $B \to D ˉ^{(*)} π ℓ^{+} ν_{ℓ}$ and $B \to D ˉ^{(*)} π^{+} π^{-} ℓ^{+} ν_{ℓ}$ relative to $B \to \bar{D}^*\ell^+ν_\…

hep-ex2022★ 4 cited

Search for a heavy neutrino in $τ$ decays at Belle

Belle Collaboration, D. Liventsev, I. Adachi +189

We report on a search for a heavy neutrino in the decays $τ^{-} \to π^{-} ν_{h}$ , $ν_{h} \to π^{\pm} ℓ - +$ , $ℓ = e, μ$ . The results are obtained using the full data sample collected wit…

hep-ex2022★ 18 cited

First Observation of $Λ π^{+}$ and $Λ π^{-}$ Signals near the $K ˉ N (I = 1)$ Mass Threshold in $Λ_{c}^{+} \to Λ π^{+} π^{+} π^{-}$ Decay

Belle Collaboration, Y. Ma, J. Yelton +195

Using the data sample of 980 fb $^{- 1}$ collected with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present the results of an investigation of th…

hep-ex2022

Measurement of branching fractions of $Λ_{c}^{+} \to p K_{S}^{0} K_{S}^{0}$ and $Λ_{c}^{+} \to p K_{S}^{0} η$ at Belle

Belle Collaboration, L. K. Li, K. Kinoshita +204

We present a study of a singly Cabibbo-suppressed decay $Λ_{c}^{+} \to p K_{S}^{0} K_{S}^{0}$ and a Cabibbo-favored decay $Λ_{c}^{+} \to p K_{S}^{0} η$ based on 980 $f b^{- 1}$ of data collected by the…

hep-ex2022★ 9 cited

Evidence for the singly Cabibbo-suppressed decay $Ω_{c}^{0} \to Ξ^{-} π^{+}$ and search for $Ω_{c}^{0} \to Ξ^{-} K^{+}$ and $Ω^{-} K^{+}$ decays at Belle

Belle Collaboration, X. Han, S. Jia +170

Using a data sample of 980 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we study for the first time the singly Cabibbo-suppressed de…

Measurement of the mass and width of the Λc​(2625)+ and the branching ratios of Λc​(2625)+→Σc0​π+ and Λc​(2625)+→Σc++​π−

First observation of B→Dˉ1​(→Dˉπ+π−)ℓ+νℓ​ and measurement of the B→Dˉ(∗)πℓ+νℓ​ and B→Dˉ(∗)π+π−ℓ+νℓ​ branching fractions with hadronic tagging at Belle

Search for a heavy neutrino in τ decays at Belle

First Observation of Λπ+ and Λπ− Signals near the KˉN(I=1) Mass Threshold in Λc+​→Λπ+π+π− Decay

Measurement of branching fractions of Λc+​→pKS0​KS0​ and Λc+​→pKS0​η at Belle