U. Wiedner

activity

20202026

most citedMeasurement of the Born cross sections for

e^{+} e^{-} \to η^{'} π^{+} π^{-}

at center-of-mass energies between

2.00

and

3.08

GeV

26 citations · 48 across the 19 of their papers we have counts for

collaborators

20 papers

hep-ph2026

Mass creation by the strong interaction: Glueballs -- status and perspectives

Ulrich Wiedner

Glueballs represent a fascinating aspect of the strong interaction in nature. Gluons that serve as the mediators of the strong interaction are massless particles, but they possess…

hep-ex2025

Study of $K ˉ^{*} (892)^{0} η$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} π^{0} η$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +666

We perform an amplitude analysis of the decay $D^{0} \to K_{S}^{0} π^{0} η$ and measure its absolute branching fraction to be $(1.016 \pm 0.013_{\text {stat.}} \pm 0.014_{\text {syst.}})\%…

hep-ex2025★ 1 cited

Evidence for the semileptonic decays $Λ_{c}^{+} \to Σ^{\pm} π^{\mp} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +680

Using $4.5 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies between $4.600$ and $4.699 G e V$ , we search for the semileptonic decays…

hep-ex2025

Measurement of Born Cross Sections and Effective Form Factors of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ from $s$ = 3.7 to 4.7 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 22.7 fb $^{- 1}$ , collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detector at…

hep-ex2025★ 2 cited

Measurement of the branching fractions of the Cabibbo-favored decays $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ and $Λ_{c}^{+} \to Ξ^{0} K_{S}^{0} π^{+}$ and search for $Λ_{c}^{+} \to Σ^{0} K_{S}^{0} K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +664

Based on $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of about 4.5 fb $^{- 1}$ collected at center-of-mass energies between 4599.53 MeV and 4698.82 MeV with…

hep-ex2025

Measurement of the $η$ transition form factor through $η^{'} \to π^{+} π^{-} η$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Based on a sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected at BESIII, the transition form factor of the $η$ meson is extracted by analyzing $J/ψ\toγη',~η'\toπ^+π^…

hep-ex2025

Study of $f_{1} (1420)$ and $η (1405)$ in the decay $J / ψ \to γ π^{0} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

A partial-wave analysis is performed on the decay $J / ψ \to γ π^{0} π^{0} π^{0}$ within the $π^{0} π^{0} π^{0}$ invariant-mass region below 1.6 GeV $/ c^{2}$ , using $(10.09~\pm~0.04)\times10…

hep-ex2025

Improved Measurements of $D^{+} \to η e^{+} ν_{e}$ and $D^{+} \to η μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using 20.3 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we measure the branching fractions of $D^{+} \to η e^{+} ν_{e}$ …

hep-ex2025

Observation of $χ_{c J} \to 3 K_{S}^{0} K^{\pm} π^{\mp}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

By analyzing $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays $χ_{c 0, 1, 2} \to 3 K_{S}^{0} K^{\pm} π^{\mp}$ are obse…

hep-ex2025★ 7 cited

Test of local realism via entangled $Λ Λ ˉ$ system

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The non-locality of quantum correlations is a fundamental feature of quantum theory. The Bell inequality serves as a benchmark for distinguishing between predictions made by quantu…

hep-ex2025★ 2 cited

First measurement of $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ cross sections via $Σ^{+}$ -nucleus scattering at an electron-positron collider

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring, the reactions $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ …

hep-ex2025

Measurement of branching fractions of $Λ_{c}^{+}$ decays to $Σ^{+} η$ and $Σ^{+} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

By analyzing $e^{+} e^{-}$ collision data taken at center-of-mass energies $s$ between 4.600 and 4.699 GeV with the BESIII detector at the BEPCII collider, corresponding to an in…

hep-ex2025★ 1 cited

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

Based on 12.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data samples collected by the BESIII detector at center-of-mass energies from 4.1271 to 4.3583 GeV, a partial wave analys…

hep-ex2025

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, the decays $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$ are obs…

hep-ex2025

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a $J / ψ$ decaying into a vector-pseudoscalar final state is performed using…

hep-ex2025

Observation of resonant contribution to the $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ around 4.2 GeV and evidence of $ψ (3770) \to Ω^{-} Ω ˉ^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 22.7 fb $^{- 1}$ , collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detecto…

hep-ex2025★ 1 cited

Search for $J / ψ \to K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to K_{S}^{0} K_{S}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using data samples of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events and $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we sea…

hep-ex2025

Observation of the $W$ -annihilation process $D_{s}^{+} \to ω ρ^{+}$ and measurement of $D_{s}^{+} \to ϕ ρ^{+}$ in $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

We present the first amplitude analysis and branching fraction measurement of the decay $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ , using $e^{+} e^{-}$ collision data collected with the BESIII detector…

hep-ex2024★ 8 cited

Evidence for Two Excited $Ω^{-}$ Hyperons

BESIII Collaboration, M. Ablikim, M. N. Achasov +655

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 19,fb $^{- 1}$ collected by the BESIII detector at center-of-mass energies ranging from 4.13 to 4.70,GeV, w…

hep-ex2020★ 26 cited

Measurement of the Born cross sections for $e^{+} e^{-} \to η^{'} π^{+} π^{-}$ at center-of-mass energies between $2.00$ and $3.08$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +487

The Born cross sections for the process $e^{+} e^{-} \to η^{'} π^{+} π^{-}$ at different center-of-mass energies between $2.00$ and $3.08$ GeV are reported with improved precision fro…

Mass creation by the strong interaction: Glueballs -- status and perspectives

Study of Kˉ∗(892)0η and KS0​a0​(980)0 in the D0→KS0​π0η decay

Evidence for the semileptonic decays Λc+​→Σ±π∓e+νe​

Measurement of Born Cross Sections and Effective Form Factors of e+e−→Ω−Ωˉ+ froms​ = 3.7 to 4.7 GeV

Measurement of the branching fractions of the Cabibbo-favored decays Λc+​→ΛKS0​K+ and Λc+​→Ξ0KS0​π+ and search for Λc+​→Σ0KS0​K+

Measurement of the η transition form factor through η′→π+π−η decay

Study of f1​(1420) and η(1405) in the decay J/ψ→γπ0π0π0

Improved Measurements of D+→ηe+νe​ and D+→ημ+νμ​

Observation of χcJ​→3KS0​K±π∓

Test of local realism via entangled ΛΛˉ system

First measurement of Σ+n→Λp and Σ+n→Σ0p cross sections via Σ+-nucleus scattering at an electron-positron collider

Measurement of branching fractions of Λc+​ decays to Σ+η and Σ+η′

Partial Wave Analysis of e+e−→π+π−J/ψ and Cross Section Measurement of e+e−→π±Zc​(3900)∓ from 4.1271 to 4.3583 GeV

Observation of χcJ​(J=0,1,2)→ppˉ​ηη

Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ→ϕη

Observation of resonant contribution to the e+e−→Ω−Ωˉ+ around 4.2 GeV and evidence of ψ(3770)→Ω−Ωˉ+

Search for J/ψ→KS0​KS0​ and ψ(3686)→KS0​KS0​

Observation of the W-annihilation process Ds+​→ωρ+ and measurement of Ds+​→ϕρ+ in Ds+​→π+π+π−π0π0 decays

Evidence for Two Excited Ω− Hyperons

Measurement of the Born cross sections for e+e−→η′π+π− at center-of-mass energies between 2.00 and 3.08 GeV

Study of $K ˉ^{*} (892)^{0} η$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} π^{0} η$ decay

Evidence for the semileptonic decays $Λ_{c}^{+} \to Σ^{\pm} π^{\mp} e^{+} ν_{e}$

Measurement of Born Cross Sections and Effective Form Factors of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ from $s$ = 3.7 to 4.7 GeV

Measurement of the branching fractions of the Cabibbo-favored decays $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ and $Λ_{c}^{+} \to Ξ^{0} K_{S}^{0} π^{+}$ and search for $Λ_{c}^{+} \to Σ^{0} K_{S}^{0} K^{+}$

Measurement of the $η$ transition form factor through $η^{'} \to π^{+} π^{-} η$ decay

Study of $f_{1} (1420)$ and $η (1405)$ in the decay $J / ψ \to γ π^{0} π^{0} π^{0}$

Improved Measurements of $D^{+} \to η e^{+} ν_{e}$ and $D^{+} \to η μ^{+} ν_{μ}$

Observation of $χ_{c J} \to 3 K_{S}^{0} K^{\pm} π^{\mp}$

Test of local realism via entangled $Λ Λ ˉ$ system

First measurement of $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ cross sections via $Σ^{+}$ -nucleus scattering at an electron-positron collider

Measurement of branching fractions of $Λ_{c}^{+}$ decays to $Σ^{+} η$ and $Σ^{+} η^{'}$

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$

Observation of resonant contribution to the $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ around 4.2 GeV and evidence of $ψ (3770) \to Ω^{-} Ω ˉ^{+}$

Search for $J / ψ \to K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to K_{S}^{0} K_{S}^{0}$

Observation of the $W$ -annihilation process $D_{s}^{+} \to ω ρ^{+}$ and measurement of $D_{s}^{+} \to ϕ ρ^{+}$ in $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ decays

Evidence for Two Excited $Ω^{-}$ Hyperons

Measurement of the Born cross sections for $e^{+} e^{-} \to η^{'} π^{+} π^{-}$ at center-of-mass energies between $2.00$ and $3.08$ GeV