I. Uman

activity

20222025

most citedSearch for the massless dark photon with

D^{0} \to ω γ^{'}

and

D^{0} \to γ γ^{'}

5 citations · 27 across the 9 of their papers we have counts for

collaborators

Showing hep-exShow all

9 papers · 1 filter

hep-ex2025★ 3 cited

First Measurement of the Decay Dynamics in the Semileptonic Transition of the $D^{+ (0)}$ into the Axial-vector Meson $K ˉ_{1} (1270)$

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

Using $e^{+} e^{-}$ data taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ , we report the first measu…

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★ 1 cited

Study of the decay ψ(3686) \to Σ^{0}\barΣ^{0}ϕ

BESIII Collaboration, M. Ablikim, M. N. Achasov +649

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decay $ψ (3686) \to Σ^{0} Σ ˉ^{0} ϕ$ is observed for the…

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★ 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

Search for $h_{c} \to π^{+} π^{-} J / ψ$ via $ψ (3686) \to π^{0} h_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +657

Using $(2712.4 \pm 14.3) \times 1 0^{6} ψ$ (3686) events collected with the BESIII detector operating at the BEPCII collider, we search for the hadronic transition $h_{c} \to π^{+} π^{-} J / ψ$ …

hep-ex2024★ 3 cited

Study of $D_{s}^{+} \to f_{0} (980) ρ^{+}$ and $ϕ π^{+}$ decays through $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0}$

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

We perform the first amplitude analysis of $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0}$ decays, based on data samples of electron-positron collisions recorded with the BESIII detector at center-of-mas…

hep-ex2024★ 4 cited

Improved measurements of the Dalitz decays $η / η^{'} \to γ e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

Based on a data sample of 10 billion $J / ψ$ events collected with the BESIII detector, improved measurements of the Dalitz decays $η / η^{'} \to γ e^{+} e^{-}$ are performed, where the $…

hep-ex2022★ 4 cited

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +579

Using an $e^{+} e^{-}$ collision data sample with a total integrated luminosity of $3.19$ fb $^{- 1}$ collected with the BESIII detector at a center-of-mass energy of 4.178 GeV, the bran…

First Measurement of the Decay Dynamics in the Semileptonic Transition of the D+(0) into the Axial-vector Meson Kˉ1​(1270)

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

Study of the decay ψ(3686) \to Σ^{0}\barΣ^{0}ϕ

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

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

Search for hc​→π+π−J/ψ via ψ(3686)→π0hc​

Study of Ds+​→f0​(980)ρ+ and ϕπ+ decays through Ds+​→π+π+π−π0

Improved measurements of the Dalitz decays η/η′→γe+e−

Measurement of the absolute branching fraction of the inclusive decay Ds+​→π+π+π−X