W. Qian

activity

20102022

most citedHeavy quarkonium: progress, puzzles, and opportunities

1.8k citations · 2.7k across the 28 of their papers we have counts for

collaborators

54 papers

hep-ph2022

Summary of Working Group 4: Mixing and mixing-related $C P$ violation in the $B$ system: $Δ m$ , $ΔΓ$ , $ϕ_{s}$ , $ϕ_{1} / β$ , $ϕ_{2} / α$ , $ϕ_{3} / γ$

Veronika Chobanova, Matthew Wingate, Yosuke Yusa +12

This summary reviews contributions to the CKM 2021 workshop in Working Group 4. In particular, theoretical and experimental progress in determining $B$ meson mixing properties are…

hep-ex2021

Measurement of the branching fraction of leptonic decay $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} π^{0} ν ˉ_{τ}$

M. Ablikim, M. N. Achasov, P. Adlarson +503

By analyzing $6.32 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass energies between 4.178 and 4.226\,GeV with the BESIII detector, we determine the…

hep-ex2021

Amplitude analysis and branching-fraction measurement of \boldmath $D_{s}^{+} \to K_{S}^{0} π^{+} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +484

Utilizing a data set corresponding to an integrated luminosity of 6.32~ $f b^{- 1}$ , recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226~GeV, we per…

hep-ex2021

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

The electromagnetic process $e^{+} e^{-} \to p p ˉ$ is studied with the initial-state-radiation technique using 7.5 fb $^{- 1}$ of data collected by the BESIII experiment at seven e…

hep-ex2021

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +506

We report new measurements of the branching fraction $B (D_{s}^{+} \to ℓ^{+} ν)$ , where $ℓ^{+}$ is either $μ^{+}$ or $τ^{+} (\to π^{+} ν ˉ_{τ})$ , based on $6.32$ fb $^{- 1}$ of electron-posit…

hep-ex2021

Search for new decay modes of the $ψ_{2} (3823)$ and the process $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

M. Ablikim, M. N. Achasov, P. Adlarson +502

The decays $ψ_{2} (3823) \to γ χ_{c 0, 1, 2}, π^{+} π^{-} J / ψ, π^{0} π^{0} J / ψ, η J / ψ$ , and $π^{0} J / ψ$ are searched for using the reaction $e^{+} e^{-} \to π^{+} π^{-} ψ_{2} (3823)$ in a 19 fb $^{- 1}$ data…

Summary of Working Group 4: Mixing and mixing-related CP violation in the B system: Δm, ΔΓ, ϕs​, ϕ1​/β, ϕ2​/α, ϕ3​/γ

Measurement of the branching fraction of leptonic decay Ds+​→τ+ντ​ via τ+→π+π0νˉτ​

Amplitude analysis and branching-fraction measurement of \boldmath Ds+​→KS0​π+π0

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

Measurement of the absolute branching fractions for purely leptonic Ds+​ decays

Search for new decay modes of the ψ2​(3823) and the process e+e−→π0π0ψ2​(3823)

Summary of Working Group 4: Mixing and mixing-related $C P$ violation in the $B$ system: $Δ m$ , $ΔΓ$ , $ϕ_{s}$ , $ϕ_{1} / β$ , $ϕ_{2} / α$ , $ϕ_{3} / γ$

Measurement of the branching fraction of leptonic decay $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} π^{0} ν ˉ_{τ}$

Amplitude analysis and branching-fraction measurement of \boldmath $D_{s}^{+} \to K_{S}^{0} π^{+} π^{0}$

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays

Search for new decay modes of the $ψ_{2} (3823)$ and the process $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$