R. van Tonder

activity

20182026

most citedTest of lepton-flavor universality in

B \to K^{*} ℓ^{+} ℓ^{-}

decays at Belle

170 citations · 1.2k across the 93 of their papers we have counts for

collaborators

Showing 2019Show all

12 papers · 1 filter

hep-ex2019★ 1 cited

Measurements of the Branching Fractions $B (B^{-} \to Λ ˉ_{c}^{-} Ξ_{c}^{^{'} 0})$ , $B (B^{-} \to Λ ˉ_{c}^{-} Ξ_{c} (2645)^{0})$ and $B (B^{-} \to Λ ˉ_{c}^{-} Ξ_{c} (2790)^{0})$

Belle Collaboration, Y. Li, Y. B. Li +173

Using the data sample of 711 fb $^{- 1}$ of $Υ (4 S)$ on-resonance data taken by the Belle detector at the KEKB asymmetric-energy electron-positron collider, we present the first measu…

hep-ex2019★ 46 cited

Search for an invisibly decaying $Z^{'}$ boson at Belle II in $e^{+} e^{-} \to μ^{+} μ^{-} (e^{\pm} μ^{\mp})$ plus missing energy final states

Belle II Collaboration, I. Adachi, P. Ahlburg +358

Theories beyond the standard model often predict the existence of an additional neutral boson, the $Z^{'}$ . Using data collected by the Belle II experiment during 2018 at the…

hep-ex2019★ 44 cited

Search for $B^{+} \to μ^{+} ν_{μ}$ and $B^{+} \to μ^{+} N$ with inclusive tagging

M. T. Prim, F. U. Bernlochner, P. Goldenzweig +191

We report the result for a search for the leptonic decay of $B^{+} \to μ^{+} ν_{μ}$ using the full Belle data set of 711 fb $^{- 1}$ of integrated luminosity at the $Υ (4 S)$ resonance.…

hep-ex2019★ 34 cited

Observation of a vector charmoniumlike state in $e^{+} e^{-} \to D_{s}^{+} D_{s 1} (2536)^{-} + c . c .$

Belle Collaboration, S. Jia, C. P. Shen +171

Using a data sample of 921.9 fb $^{- 1}$ collected with the Belle detector, we study the process of $e^{+} e^{-} \to D_{s}^{+} D_{s 1} (2536)^{-} + c . c .$ via initial-state radiation. We report the fi…

hep-ex2019★ 2 cited

Observation of the radiative decays of $Υ (1 S)$ to $χ_{c 1}$

P. Katrenko, I. Adachi, H. Aihara +166

We report the first observation of the radiative decay of the $Υ (1 S)$ into a charmonium state. The statistical significance of the observed signal of $Υ (1 S) \to γ χ_{c 1}$ is 6.3 sta…

hep-ex2019★ 19 cited

Azimuthal asymmetries of back-to-back $π^{\pm} - (π^{0}, η, π^{\pm})$ pairs in $e^{+} e^{-}$ annihilation

Belle Collaboration, H. Li, A. Vossen +126

This work reports the first observation of azimuthal asymmetries around the thrust axis in $e^{+} e^{-}$ annihilation of pairs of back-to-back charged pions in one hemisphere, and $π^{0}$ …

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★ 31 cited

Observation of a new structure near 10.75 GeV in the energy dependence of the $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n = 1, 2, 3$ ) cross sections

R. Mizuk, A. Bondar, I. Adachi +177

We report a new measurement of the $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n = 1, 2, 3$ ) cross sections at energies from 10.52 to 11.02 GeV using data collected with the Belle detector at the KEKB as…

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★ 5 cited

Evidence for the decay $B^{0} \to p p ˉ π^{0}$

Belle Collaboration, B. Pal, I. Adachi +172

We report a search for the charmless baryonic decay $B^{0} \to p p ˉ π^{0}$ with a data sample corresponding to an integrated luminosity of 711~ $f b^{- 1}$ containing $(772\pm 10)\t…

hep-ex2019★ 33 cited

First measurements of absolute branching fractions of the $Ξ_{c}^{+}$ baryon at Belle

Belle Collaboration, Y. B. Li, C. P. Shen +192

We present the first measurements of the absolute branching fractions of $Ξ_{c}^{+}$ decays into $Ξ^{-} π^{+} π^{+}$ and $p K^{-} π^{+}$ final states. Our analysis is based on a data set of $(77…

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…

Measurements of the Branching Fractions B(B−→Λˉc−​Ξc′0​), B(B−→Λˉc−​Ξc​(2645)0) and B(B−→Λˉc−​Ξc​(2790)0)

Search for an invisibly decaying Z′ boson at Belle II in e+e−→μ+μ−(e±μ∓) plus missing energy final states

Search for B+→μ+νμ​ and B+→μ+N with inclusive tagging

Observation of a vector charmoniumlike state in e+e−→Ds+​Ds1​(2536)−+c.c.

Observation of the radiative decays of Υ(1S) to χc1​

Azimuthal asymmetries of back-to-back π±−(π0,η,π±) pairs in e+e− annihilation

Search for B0→X(3872)γ

Observation of a new structure near 10.75 GeV in the energy dependence of the e+e−→Υ(nS)π+π− (n=1,2,3) cross sections

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

Evidence for the decay B0→ppˉ​π0

First measurements of absolute branching fractions of the Ξc+​ baryon at Belle

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