I. Uman

activity

19992026

most citedObservation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

919 citations · 2.8k across the 69 of their papers we have counts for

collaborators

Showing 2017Show all

17 papers · 1 filter

hep-ex2017★ 46 cited

Precision Study of $η^{'} \to γ π^{+} π^{-}$ Decay Dynamics

BESIII Collaboration, M. Ablikim, M. N. Achasov +431

Using a low background data sample of $9.7 \times 1 0^{5}$ $J ψ \to γ η^{'}$ , $η^{'} \to γ π^{+} π^{-}$ events, which are 2 orders of magnitude larger than those from the pr…

hep-ex2017★ 31 cited

Measurement of the absolute branching fraction of $D_{s 0}^{*\pm} (2317) \to π^{0} D_{s}^{\pm}$

M. Ablikim, M. N. Achasov, S. Ahmed +427

The process $e^{+} e^{-} \to D_{s}^{*+} D_{s 0}^{*-} (2317) + c . c .$ is observed for the first time with the data sample of 567~pb $^{- 1}$ collected with the BESIII detector operating at the…

hep-ex2017★ 20 cited

Measurement of $e^{+} e^{-} \to π^{0} π^{0} ψ (3686)$ at $s$ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

M. Ablikim, M. N. Achasov, S. Ahmed +436

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider corresponding to an integrated luminosity of 5.2 $f b^{- 1}$ at center-of-mass energies ($…

hep-ex2017★ 5 cited

Improved measurements of $χ_{c J} \to Σ^{+} Σ ˉ^{-}$ and $Σ^{0} Σ ˉ^{0}$ decays

BESIII Collaboration

Using a data sample of $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we present measurements of branching fractions for the d…

hep-ex2017★ 20 cited

Measurements of the branching fractions for the semi-leptonic decays $D_{s}^{+} \to ϕ e^{+} ν_{e}$ , $ϕ μ^{+} ν_{μ}$ , $η μ^{+} ν_{μ}$ and $η^{'} μ^{+} ν_{μ}$

M. Ablikim, M. N. Achasov, S. Ahmed +439

By analyzing 482 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy $s = 4.009$ GeV with the BESIII detector, we measure the %absolute branching fracti…

hep-ex2017★ 85 cited

Determination of the number of $ψ (3686)$ events at BESIII

M. Ablikim, M. N. Achasov, S. Ahmed +430

The numbers of $ψ (3686)$ events accumulated by the BESIII detector for the two rounds of data taking during 2009 and 2012 are determined to be $(107.0 \pm 0.8) \times 1 0^{6}$ and $(341.…

hep-ex2017★ 88 cited

Observation of a cross-section enhancement near mass threshold in $e^{+} e^{-} \to Λ Λ ˉ$

M. Ablikim, M. N. Achasov, S. Ahmed +428

The process $e^{+} e^{-} \to Λ Λ ˉ$ is studied using data samples at $s = 2.2324$ , 2.400, 2.800 and 3.080 GeV collected with the BESIII detector operating at the BEPCII…

hep-ex2017★ 20 cited

Observation of the decay $Λ_{c}^{+} \to Σ^{-} π^{+} π^{+} π^{0}$

BESIII Collaboration, M Ablikim, M N Achasov +428

We report the first observation of the decay $Λ_{c}^{+} \to Σ^{-} π^{+} π^{+} π^{0}$ , based on data obtained in $e^{+} e^{-}$ annihilations with an integrated luminosity of 567~pb $^{- 1}$ at…

hep-ex2017★ 16 cited

Observation of $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +425

We observe for the first time the process $e^{+} e^{-} \to η h_{c}$ with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy…

hep-ex2017★ 54 cited

Analysis of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^{+} \to π^{0} e^{+} ν_{e}$ Semileptonic Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +428

Using 2.93~fb $^{- 1}$ of data taken at 3.773 GeV with the BESIII detector operated at the BEPCII collider, we study the semileptonic decays $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^+ \to π^0…

hep-ex2017★ 105 cited

Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from 4.008 to 4.600 $\sim$ GeV and observation of a charged structure in the $π^{\pm} ψ (3686)$ mass spectrum

M. Ablikim, M. N. Achasov, S. Ahmed +424

We study the process $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ using 5.1 $f b^{- 1}$ of data collected at 16 center-of-mass energy ( $s$ ) points from 4.008 to 4.600 $\sim$ GeV b…

hep-ex2017★ 7 cited

Branching fraction measurements of $ψ (3686) \to γ χ_{c J}$

BESIII collaboration, M. Ablikim, M. N. Achasov +428

Using a sample of 106 million $ψ (3686)$ decays, the branching fractions of $ψ (3686) \to γ χ_{c 0}, ψ (3686) \to γ χ_{c 1}$ , and $ψ (3686) \to γ χ_{c 2}$ are measured with improved precisio…

hep-ex2017★ 15 cited

Search for the Radiative Leptonic Decay $D^{+} \to γ e^{+} ν_{e}$

The BESIII Collaboration, M. Ablikim, M. N. Achasov +428

Using an electron-positron collision data sample of 2.93 fb $^{- 1}$ collected at a center-of-mass energy of $s = 3.773$ GeV with the BESIII detector, we present the first searc…

hep-ex2017★ 20 cited

Cross section measurements of $e^{+} e^{-} \to p p ˉ π^{0}$ at center-of-mass energies between 4.008 and 4.600 GeV

M. Ablikim, M. N. Achasov, S. Ahmed +429

Based on $e^{+} e^{-}$ annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center of mass energies from 4.008 to 4.600 GeV, measurements of the Bor…

hep-ex2017★ 60 cited

Study of $J / ψ$ and $ψ (3686)$ decay to $Λ Λ ˉ$ and $Σ^{0} Σ ˉ^{0}$ final states

BESIII Collaboration, M. Ablikim, M. N. Achasov +426

Using $1310.6 \times 1 0^{6}$ $J / ψ$ and $447.9 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider, the branching fractions and the angula…

hep-ex2017★ 16 cited

Observation of $ψ (3686) \to e^{+} e^{-} χ_{c J}$ and $χ_{c J} \to e^{+} e^{-} J / ψ$

M. Ablikim, M. N. Achasov, X. C. Ai +420

Using $4.479 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, we search for the decays $ψ (3686) \to e^{+} e^{-} χ_{c 0, 1, 2}$ and $χ_{c0,1,2} \rightarrow e^{…

hep-ex2017★ 13 cited

Measurement of higher-order multipole amplitudes in $ψ (3686) \to γ χ_{c 1, 2}$ with $χ_{c 1, 2} \to γ J / ψ$ and search for the transition $η_{c} (2 S) \to γ J / ψ$

M. Ablikim, M. N. Achasov, X. C. Ai +424

Using 106~million $ψ (3686)$ events collected with the BESIII detector, we measure multipole amplitudes for the decay $ψ (3686) \to γ χ_{c 1, 2} \to γ γ J / ψ$ beyond the dominant elect…

Precision Study of η′→γπ+π− Decay Dynamics

Measurement of the absolute branching fraction of Ds0∗±​(2317)→π0Ds±​

Measurement of e+e−→π0π0ψ(3686) at s​ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

Improved measurements of χcJ​→Σ+Σˉ− and Σ0Σˉ0 decays

Measurements of the branching fractions for the semi-leptonic decays Ds+​→ϕe+νe​, ϕμ+νμ​, ημ+νμ​ and η′μ+νμ​

Determination of the number of ψ(3686) events at BESIII

Observation of a cross-section enhancement near mass threshold in e+e−→ΛΛˉ

Observation of the decay Λc+​→Σ−π+π+π0

Observation of e+e−→ηhc​ at center-of-mass energies from 4.085 to 4.600 GeV

Analysis of D+→Kˉ0e+νe​ and D+→π0e+νe​ Semileptonic Decays

Measurement of e+e−→π+π−ψ(3686) from 4.008 to 4.600∼GeV and observation of a charged structure in the π±ψ(3686) mass spectrum

Branching fraction measurements of ψ(3686)→γχcJ​

Search for the Radiative Leptonic Decay D+→γe+νe​

Cross section measurements of e+e−→ppˉ​π0 at center-of-mass energies between 4.008 and 4.600 GeV

Study of J/ψ and ψ(3686) decay to ΛΛˉ and Σ0Σˉ0 final states

Observation of ψ(3686)→e+e−χcJ​ and χcJ​→e+e−J/ψ

Measurement of higher-order multipole amplitudes in ψ(3686)→γχc1,2​ with χc1,2​→γJ/ψ and search for the transition ηc​(2S)→γJ/ψ

Precision Study of $η^{'} \to γ π^{+} π^{-}$ Decay Dynamics

Measurement of the absolute branching fraction of $D_{s 0}^{*\pm} (2317) \to π^{0} D_{s}^{\pm}$

Measurement of $e^{+} e^{-} \to π^{0} π^{0} ψ (3686)$ at $s$ from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

Improved measurements of $χ_{c J} \to Σ^{+} Σ ˉ^{-}$ and $Σ^{0} Σ ˉ^{0}$ decays

Measurements of the branching fractions for the semi-leptonic decays $D_{s}^{+} \to ϕ e^{+} ν_{e}$ , $ϕ μ^{+} ν_{μ}$ , $η μ^{+} ν_{μ}$ and $η^{'} μ^{+} ν_{μ}$

Determination of the number of $ψ (3686)$ events at BESIII

Observation of a cross-section enhancement near mass threshold in $e^{+} e^{-} \to Λ Λ ˉ$

Observation of the decay $Λ_{c}^{+} \to Σ^{-} π^{+} π^{+} π^{0}$

Observation of $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV

Analysis of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^{+} \to π^{0} e^{+} ν_{e}$ Semileptonic Decays

Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from 4.008 to 4.600 $\sim$ GeV and observation of a charged structure in the $π^{\pm} ψ (3686)$ mass spectrum

Branching fraction measurements of $ψ (3686) \to γ χ_{c J}$

Search for the Radiative Leptonic Decay $D^{+} \to γ e^{+} ν_{e}$

Cross section measurements of $e^{+} e^{-} \to p p ˉ π^{0}$ at center-of-mass energies between 4.008 and 4.600 GeV

Study of $J / ψ$ and $ψ (3686)$ decay to $Λ Λ ˉ$ and $Σ^{0} Σ ˉ^{0}$ final states

Observation of $ψ (3686) \to e^{+} e^{-} χ_{c J}$ and $χ_{c J} \to e^{+} e^{-} J / ψ$

Measurement of higher-order multipole amplitudes in $ψ (3686) \to γ χ_{c 1, 2}$ with $χ_{c 1, 2} \to γ J / ψ$ and search for the transition $η_{c} (2 S) \to γ J / ψ$