Stefan Meyer Institute for Subatomic Physics

We present the first measurements of branching fractions of rare tau-lepton decays, $τ^{-} \to π^{-} ν_{τ} ℓ^{+} ℓ^{-}$ ( $ℓ = e$ or $μ$ ), using a data sample corresponding t…

nucl-ex2019★ 2 cited

Write-ups for workshop on the project for the hadron experimental facility of J-PARC, Partial collection of LOIs at the extended hadron hall and the related topics

Hadron Hall Users' Association, P. Achenbach, J. K. Ahn +49

This write-up document is a summary of International workshop on the project for the extended hadron experimental facility which was held from March 26 to 28, 2018 at KEK Tokai Cam…

hep-ex2019★ 16 cited

Search for $X (3872)$ and $X (3915)$ decay into $χ_{c 1} π^{0}$ in $B$ decays at Belle

V. Bhardwaj, S. Jia, I. Adachi +190

The Belle experiment searched for the exotic states X(3872) and X(3915) decaying to χc1 π0 in B⁺ → χc1 π0 K⁺ decays and set upper limits on the product branching fractions.

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★ 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…

Observation of τ−→π−ντ​e+e− and search for τ−→π−ντ​μ+μ−

Write-ups for workshop on the project for the hadron experimental facility of J-PARC, Partial collection of LOIs at the extended hadron hall and the related topics

Search for X(3872) and X(3915) decay into χc1​π0 in B decays at Belle

Search for B0→X(3872)γ

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

Evidence for the decay B0→ppˉ​π0

Observation of $τ^{-} \to π^{-} ν_{τ} e^{+} e^{-}$ and search for $τ^{-} \to π^{-} ν_{τ} μ^{+} μ^{-}$

Search for $X (3872)$ and $X (3915)$ decay into $χ_{c 1} π^{0}$ in $B$ decays at Belle

Search for $B^{0} \to X (3872) γ$

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

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