H. Wei

collaborators

21 papers

hep-ex2025

Measurement of the space-like $π^{0}$ transition form factor

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at a center-of-mass energy of $3.773 GeV$ , the two-photon fusion process $e^+e^-\t…

hep-ex2025

Helicity amplitude and branching fraction measurement of $χ_{c J} \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Utilizing $2712.4 \pm 14.3$ million $ψ (3686)$ events accumulated by the BESIII experiment, we perform a partial wave analysis of $ψ (3686) \to γ χ_{c J} \to γ Λ Λ ˉ$ decay…

hep-ex2025

Search for $χ_{c 1} \to π^{+} π^{-} η_{c}$ via $ψ (3686) \to γ χ_{c 1}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Utilizing $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we search for the hadronic transition process $χ_{c1} \to π^+π…

hep-ex2025

Search for the lepton number violating process $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we search for the lepton number violating decay $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$ for the first tim…

hep-ex2025

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} π^{0}$ , $D^{+} \to K^{+} η$ and $D^{+} \to K^{+} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Using $20.3 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of 3.773\,GeV with the BESIII detector, we present the measurements of the absolute branch…

hep-ex2025

Observation of $D^{+} \to K_{S}^{0} π^{0} μ^{+} ν_{μ}$ , Test of Lepton Flavor Universality and First Angular Analysis of $D^{+} \to K ˉ^{*} (892)^{0} ℓ^{+} ν_{ℓ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

We report a study of the semileptonic decays $D^{+} \to K_{S}^{0} π^{0} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ ) based on $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-m…

Measurement of the space-like π0 transition form factor

Helicity amplitude and branching fraction measurement of χcJ​→ΛΛˉ

Search for χc1​→π+π−ηc​ via ψ(3686)→γχc1​

Search for the lepton number violating process J/ψ→K+K+e−e−+c.c.

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays D+→K+π0, D+→K+η and D+→K+η′

Observation of D+→KS0​π0μ+νμ​, Test of Lepton Flavor Universality and First Angular Analysis of D+→Kˉ∗(892)0ℓ+νℓ​

Measurement of the space-like $π^{0}$ transition form factor

Helicity amplitude and branching fraction measurement of $χ_{c J} \to Λ Λ ˉ$

Search for $χ_{c 1} \to π^{+} π^{-} η_{c}$ via $ψ (3686) \to γ χ_{c 1}$

Search for the lepton number violating process $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} π^{0}$ , $D^{+} \to K^{+} η$ and $D^{+} \to K^{+} η^{'}$

Observation of $D^{+} \to K_{S}^{0} π^{0} μ^{+} ν_{μ}$ , Test of Lepton Flavor Universality and First Angular Analysis of $D^{+} \to K ˉ^{*} (892)^{0} ℓ^{+} ν_{ℓ}$