K. Cho

activity

19942026

most citedMeasurement of the B -> D^* l nu Branching Fractions and |Vcb|

106 citations · 343 across the 16 of their papers we have counts for

collaborators

16 papers

hep-ex2026

Charged-lepton identification at Belle~II

Belle II Collaboration, M. Abumusabh, I. Adachi +409

Effective particle identification capabilities are a strategic priority for the physics program of the Belle~II experiment. We describe the algorithms used at Belle~II for identify…

hep-ex2026

First evidence of $X (3872) \to π^{0} χ_{c 0} (1 P)$ and search for $X (3915) \to π^{0} χ_{c 1} (1 P)$

Belle, Belle II Collaborations, : +412

We search for the pionic transitions $X (3872) \to π^{0} χ_{c J} (1 P)$ $(J = 0, 1, 2)$ and $X (3915) \to π^{0} χ_{c 1}$ in $B^{+} \to π^{0} χ_{c J} K^{+}$ decays using the Belle and Belle~II data samples c…

hep-ex2026

Measurement of mixing-induced CP violation in the decay $B^{0} \to π^{0} π^{0}$

Belle II Collaboration, M. Abumusabh, I. Adachi +437

Measurements of charge-parity (CP) violation in quark transitions provide stringent tests of the current theory and sensitive probes of particles or interactions beyond it. We repo…

hep-ex2025

Observation of the radiative decay $D_{s} (2317)^{+} \to D_{s}^{*} γ$

Belle II Collaboration, M. Abumusabh, I. Adachi +367

We observe the radiative decay $D_{s 0}^{*} (2317)^{+} \to D_{s}^{*+} γ$ for the first time, with a significance exceeding $10$ standard deviations. The signal is found in the contin…

hep-ex2025★ 2 cited

First measurements of the branching fractions for the decay modes $Ξ_{c}^{0} \to Λ η$ and $Ξ_{c}^{0} \to Λ η^{'}$ and search for the decay $Ξ_{c}^{0} \to Λ π^{0}$ using Belle and Belle II data

Belle, Belle II Collaborations, : +321

Using data samples of 988.4 fb $^{- 1}$ and 427.9 fb $^{- 1}$ collected with the Belle and Belle II detectors, we present a study of the singly Cabibbo-suppressed decays $Ξ_c^{0} \to Λ…

hep-ex2011★ 28 cited

Study of B^{+-} -> K^{+-}(K_S K pi)^0 Decay and Determination of eta_c and eta_c(2S) Parameters

Belle collaboration, A. Vinokurova, A. Kuzmin +143

We report the results of a study of $B^{\pm} \to K^{\pm} η_{c}$ and $B^{\pm} \to K^{\pm} η_{c} (2 S)$ decays followed by $η_{c}$ and $η_{c} (2 S)$ decays to $(K_{S} K π)^{0}$ . The results are obtained f…

hep-ex1997★ 14 cited

A New Measurement of $B \to D^{*} π$ Branching Fractions

G. Brandenburg

The decays Upsilon(4S) -> BB, followed by B -> D* pi and D* -> D pi, permit reconstruction of all kinematic quantities that describe the sequence without reconstruction of the D, w…

hep-ex1997★ 22 cited

Determination of the Michel Parameters and the tau Neutrino Helicity in tau Decay

CLEO Collaboration, J. P. Alexander et al

Using the CLEO II detector at the $e^{+} e^{-}$ storage ring CESR, we have determined the Michel parameters $ρ$ , $ξ$ , and $δ$ in $τ^{\mp} \to l^{\mp} ν ν ˉ$ decay as well as the tau neutrin…

hep-ex1997★ 32 cited

The Inclusive Decays $B \to D X$ and $B \to D^{*} X$

CLEO Collaboration, L. Gibbons

We report new measurements of the differential and total branching ratios for inclusive B decay to D^0, D^+ and D^{*+} and the first measurement of the same quantities for inclusiv…

hep-ex1997★ 54 cited

Measurement of the Decay Amplitudes and Branching Fractions of $B \to J / ψ K^{*}$ and $B \to J / ψ K$ Decays

CLEO Collaboration, C. P. Jessop

Using data taken with the CLEO II detector, we present the first full angular analysis in the color-suppressed modes B0 --> J/psi K*0 and B+ --> J/psi K*+. This leads to a complete…

hep-ex1997★ 6 cited

Study of the B^0 Semileptonic Decay Spectrum at the Upsilon(4S) Resonance

CLEO Collaboration, M. Artuso

We have made a first measurement of the lepton momentum spectrum in a sample of events enriched in neutral B's through a partial reconstruction of B0 --> D*- l+ nu. This spectrum,…

hep-ex1995★ 6 cited

Observation of the $Ξ_{c}^{+}$ Charmed Baryon Decays to $Σ^{+} K^{-} π^{+}$ , $Σ^{+} K ˉ^{* 0}$ , and $Λ K^{-} π^{+} π^{+}$

CLEO Collaboration, T. Bergfeld et al

We have observed two new decay modes of the charmed baryon $Ξ_{c}^{+}$ into $Σ^{+} K^{-} π^{+}$ and $Σ^{+} K ˉ^{* 0}$ using data collected with the CLEO II detector. We also present the firs…

hep-ex1995★ 27 cited

Measurement of the Decay Asymmetry Parameters in $Λ_{c}^{+} \to Λ π^{+}$ and $Λ_{c}^{+} \to Σ^{+} π^{0}$

M. Bishai

We have measured the weak decay asymmetry parameters ($\aLC $) for two \LC\ decay modes. Our measurements are $\aLC = -0.94^{+0.21+0.12}_{-0.06-0.06} $ for the decay mode $Λ_c^+ \t…

hep-ex1994★ 106 cited

Measurement of the B -> D^* l nu Branching Fractions and |Vcb|

The CLEO Collaboration

We study the exclusive semileptonic B meson decays B- -> D*0 l- nu and B0 -> D*+ l- nu using data collected with the CLEO II detector at CESR. We present measurements of the branch…

hep-ph1994★ 33 cited

Two-Photon Production of Charged Pion and Kaon Pairs

The CLEO Collaboration

A measurement of the cross section for the combined two-photon production of charged pion and kaon pairs is performed using 1.2~ $f b^{- 1}$ of data collected by the CLEO~II detec…

hep-ph1994★ 13 cited

A Measurement of $B (D_{s} \to ϕ l^{+} ν) / c a l B (D_{s} \to ϕ π^{+})$

The CLEO Collaboration

Using the CLEO~II detector at CESR, we have measured the ratio of branching fractions $B (D_{s}^{+} \to ϕ e^{+} ν) / B (D_{s}^{+} \to ϕ π^{+}) = 0.54 \pm 0.05 \pm 0.04$ . We use this meas…

Charged-lepton identification at Belle~II

First evidence of X(3872)→π0χc0​(1P) and search for X(3915)→π0χc1​(1P)

Measurement of mixing-induced CP violation in the decay B0→π0π0

Observation of the radiative decay Ds​(2317)+→Ds∗​γ

First measurements of the branching fractions for the decay modes Ξc0​→Λη and Ξc0​→Λη′ and search for the decay Ξc0​→Λπ0 using Belle and Belle II data

Study of B^{+-} -> K^{+-}(K_S K pi)^0 Decay and Determination of eta_c and eta_c(2S) Parameters

A New Measurement of B→D∗π Branching Fractions

Determination of the Michel Parameters and the tau Neutrino Helicity in tau Decay

The Inclusive Decays B→DX and B→D∗X

Measurement of the Decay Amplitudes and Branching Fractions of B→J/ψK∗ and B→J/ψK Decays

Study of the B^0 Semileptonic Decay Spectrum at the Upsilon(4S) Resonance

Observation of the Ξc+​ Charmed Baryon Decays to Σ+K−π+, Σ+Kˉ∗0, and ΛK−π+π+

Measurement of the Decay Asymmetry Parameters in Λc+​→Λπ+ and Λc+​→Σ+π0

Measurement of the B -> D^* l nu Branching Fractions and |Vcb|

Two-Photon Production of Charged Pion and Kaon Pairs

A Measurement of B(Ds​→ϕl+ν)/calB(Ds​→ϕπ+)

First evidence of $X (3872) \to π^{0} χ_{c 0} (1 P)$ and search for $X (3915) \to π^{0} χ_{c 1} (1 P)$

Measurement of mixing-induced CP violation in the decay $B^{0} \to π^{0} π^{0}$

Observation of the radiative decay $D_{s} (2317)^{+} \to D_{s}^{*} γ$

First measurements of the branching fractions for the decay modes $Ξ_{c}^{0} \to Λ η$ and $Ξ_{c}^{0} \to Λ η^{'}$ and search for the decay $Ξ_{c}^{0} \to Λ π^{0}$ using Belle and Belle II data

A New Measurement of $B \to D^{*} π$ Branching Fractions

The Inclusive Decays $B \to D X$ and $B \to D^{*} X$

Measurement of the Decay Amplitudes and Branching Fractions of $B \to J / ψ K^{*}$ and $B \to J / ψ K$ Decays

Observation of the $Ξ_{c}^{+}$ Charmed Baryon Decays to $Σ^{+} K^{-} π^{+}$ , $Σ^{+} K ˉ^{* 0}$ , and $Λ K^{-} π^{+} π^{+}$

Measurement of the Decay Asymmetry Parameters in $Λ_{c}^{+} \to Λ π^{+}$ and $Λ_{c}^{+} \to Σ^{+} π^{0}$

A Measurement of $B (D_{s} \to ϕ l^{+} ν) / c a l B (D_{s} \to ϕ π^{+})$