Y. X. Yang

activity

20052025

Λ

electromagnetic form factors

62 citations · 138 across the 10 of their papers we have counts for

collaborators

10 papers

hep-ex2025★ 4 cited

Study of the electromagnetic Dalitz decay $J / ψ \to e^{+} e^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +640

We report the first measurement of the di-electron invariant mass dependent transition form factor in the electromagnetic Dalitz decay $J / ψ \to e^{+} e^{-} π^{0}$ using $(10087 \pm 44) \ti…

hep-ex2024★ 3 cited

Measurement of Born cross section of $e^{+} e^{-} \to Σ^{0} Σ ˉ^{0}$ at $s = 3.50 - 4.95$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +654

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider at thirty-two center-of-mass energies from 3.50 to 4.95 GeV, corresponding to an integrated…

hep-ex2024★ 1 cited

Study of the light scalar $a_{0} (980)$ through the decay $D^{0} \to a_{0} (980)^{-} e^{+} ν_{e}$ with $a_{0} (980)^{-} \to η π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +654

Using 7.93 $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of 3.773 $GeV$ with the BESIII detector, we present an analysis of the decay $D^{0}…

hep-ex2024★ 5 cited

Search for the massless dark photon with $D^{0} \to ω γ^{'}$ and $D^{0} \to γ γ^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

Using $7.9 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at $s = 3.773$ GeV with the BESIII detector at the BEPCII collider, we search for the massless dark photon with t…

hep-ex2024

Measurement of the branching fraction of $D^{+} \to τ^{+} ν_{τ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +654

By analyzing $e^{+} e^{-}$ collision data with an integrated luminosity of 7.9~fb $^{- 1}$ collected with the BESIII detector at the center-of-mass energy of 3.773~GeV, the branching…

hep-ex2024

Search for $D^{0} \to K^{-} η e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} η e^{+} ν_{e}$ and $D^{+} \to η η e^{+} ν_{e}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +640

By analyzing $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 7.93 fb $^{- 1}$ , collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, w…

hep-ex2024★ 5 cited

Test of lepton universality and measurement of the form factors of $D^{0} \to K^{*} (892)^{-} μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

We report a first study of the semileptonic decay $D^{0} \to K^{-} π^{0} μ^{+} ν_{μ}$ by analyzing an $e^{+} e^{-}$ annihilation data sample of $7.9 fb^{- 1}$ collected at the cente…

hep-ex2020★ 47 cited

Observation of a resonant structure in $e^{+} e^{-} \to K^{+} K^{-} π^{0} π^{0}$

M. Ablikim, M. N. Achasov, P. Adlarson +498

Using $e^{+} e^{-}$ collision data samples with center-of-mass energies ranging from 2.000 to 2.644 GeV, collected by the BESIII detector at the BEPCII collider, and with a total in…

hep-ex2019★ 62 cited

Complete measurement of $Λ$ electromagnetic form factors

M. Ablikim, M. N. Achasov, P. Adlarson +475

The exclusive process $e^{+} e^{-} \to Λ Λ ˉ$ , with $Λ \to p π^{-}$ and $Λ ˉ \to p ˉ π^{+}$ , has been studied at $s =$ 2.396 GeV for measurement of the $Λ$ electric and mag…

hep-ex2005★ 11 cited

Measurements of $J ψ$ decays into $ω π^{0}$ , $ω η$ , and $ω η^{'}$

M. Ablikim

Based on $5.8 \times 1 0^{7} J ψ$ events collected with BESII at the Beijing Electron-Positron Collider (BEPC), the decay branching fractions of $J ψ \to ω π^{0}$ , $ω η$ , and $ω η^{'}$ are measur…

Study of the electromagnetic Dalitz decay J/ψ→e+e−π0

Measurement of Born cross section of e+e−→Σ0Σˉ0 at s​=3.50−4.95 GeV

Study of the light scalar a0​(980) through the decay D0→a0​(980)−e+νe​ with a0​(980)−→ηπ−

Search for the massless dark photon with D0→ωγ′ and D0→γγ′

Measurement of the branching fraction of D+→τ+ντ​

Search for D0→K−ηe+νe​, D+→KS0​ηe+νe​ and D+→ηηe+νe​ decays

Test of lepton universality and measurement of the form factors of D0→K∗(892)−μ+νμ​

Observation of a resonant structure in e+e−→K+K−π0π0

Complete measurement of Λ electromagnetic form factors

Measurements of Jψ decays into ωπ0, ωη, and ωη′

Study of the electromagnetic Dalitz decay $J / ψ \to e^{+} e^{-} π^{0}$

Measurement of Born cross section of $e^{+} e^{-} \to Σ^{0} Σ ˉ^{0}$ at $s = 3.50 - 4.95$ GeV

Study of the light scalar $a_{0} (980)$ through the decay $D^{0} \to a_{0} (980)^{-} e^{+} ν_{e}$ with $a_{0} (980)^{-} \to η π^{-}$

Search for the massless dark photon with $D^{0} \to ω γ^{'}$ and $D^{0} \to γ γ^{'}$

Measurement of the branching fraction of $D^{+} \to τ^{+} ν_{τ}$

Search for $D^{0} \to K^{-} η e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} η e^{+} ν_{e}$ and $D^{+} \to η η e^{+} ν_{e}$ decays

Test of lepton universality and measurement of the form factors of $D^{0} \to K^{*} (892)^{-} μ^{+} ν_{μ}$

Observation of a resonant structure in $e^{+} e^{-} \to K^{+} K^{-} π^{0} π^{0}$

Complete measurement of $Λ$ electromagnetic form factors

Measurements of $J ψ$ decays into $ω π^{0}$ , $ω η$ , and $ω η^{'}$