X. Ai

activity

20142026

most citedEvidence of Two Resonant Structures in

e^{+} e^{-} \to π^{+} π^{-} h_{c}

189 citations · 939 across the 37 of their papers we have counts for

collaborators

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35 papers · 1 filter

hep-ex2026

Proof of principle for nucleon polarization measurement at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +754

A novel technique for measuring the spin polarization of final-state nucleons in a general-purpose spectrometer is validated. Using $10.09 \times 1 0^{9}$ $J / ψ$ events at BESIII, the…

hep-ex2023

Observation of $ψ (3686) \to Λ Λ ˉ η^{'}$ decay

M. Ablikim

Using a sample of $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, the decay $ψ (3686) \to Λ Λ ˉ η^{'}$ with $η^{'}$ subsequently decaying into $γπ^+…

hep-ex2023★ 5 cited

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Based on a data set of $(27.12 \pm 0.10) \times 1 0^{8}$ $ψ (3686)$ events collected at the BESIII experiment, the absolute branching fractions of the three dominant $Ω^{-}$ decays are meas…

hep-ex2023

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

By analyzing 7.33\,fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we search for the semileptonic de…

hep-ex2023★ 3 cited

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

We perform a study of the $X (3872)$ lineshape using the data samples of $e^{+} e^{-} \to γ X (3872)$ , $X (3872) \to D^{0} D ˉ^{0} π^{0}$ and $π^{+} π^{-} J / ψ$ collected with the BESIII detector. The…

hep-ex2023

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, numerous $Ξ^{-}$ and $Λ$ decay asymmetry parameters are simultaneously determined from the process…

hep-ex2023★ 3 cited

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Based on $e^{+} e^{-}$ collision data collected at center-of-mass energies from 2.000 to 3.080 GeV by the BESIII detector at the BEPCII collider, a partial wave analysis is performe…

hep-ex2023★ 12 cited

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

We perform for the first time an amplitude analysis of the decay $D^{+} \to K_{S}^{0} π^{+} η$ and report the observation of the decay $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ using 2.93 fb$^…

hep-ex2023★ 14 cited

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 12.9 $f b^{- 1}$ collected with the BESIII detector at the BEPCII collider, the exclusive Born cross s…

hep-ex2023

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +609

Using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector, the decays of $J / ψ \to γ π^{0} (η, η^{'}) \to γ γ γ$ are studied. Newly measu…

hep-ex2023

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

The Born cross sections and effective form factors of the process $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ are measured at 14 center-of-mass energy points from 2.3094 to 3.0800 GeV, based on dat…

hep-ex2023★ 2 cited

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

With a data sample corresponding to an integrated luminosity of 11.5~fb $^{- 1}$ collected with the BESIII detector operating at the BEPCII storage ring, for the first time the light…

hep-ex2023

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +610

We present a study of the process $e^{+} e^{-} \to η ϕ$ using data samples collected with the BESIII detector corresponding to an integrated luminosity of 15.03 fb $^{- 1}$ at 23 center-…

hep-ex2023

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $ψ (3770) \to ϕ η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

The cross sections of the $e^{+} e^{-} \to ϕ η^{'}$ process at center-of-mass energies from 3.508 to 4.951 GeV are measured with high precision using 26.1 fb $^{- 1}$ data collected with th…

hep-ex2023★ 10 cited

Measurement of the branching fractions of the singly Cabibbo-suppressed decays $Λ_{c}^{+} \to p η$ and $Λ_{c}^{+} \to p ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +618

Based on 4.5 $\mbox{fb$^{-1}$}$ $e^{+} e^{-}$ collision data collected with BESIII detector at seven energy points between 4.600 and 4.699 GeV, the branching fractions for $Λ_{c}^{+…

hep-ex2023★ 3 cited

Study of $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ and Test of Lepton Flavor Universality with $Λ_{c}^{+} \to Λ ℓ^{+} ν_{ℓ}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +614

The measurement of the Cabibbo-favored semileptonic decay $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ is reported using $4.5 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-m…

hep-ex2023

Amplitude analysis and branching fraction measurement of the decay $D^{+} \to K_{S}^{0} π^{+} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +612

Using 2.93 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the center-of-mass energy 3.773\,GeV, we perform the first amplitude analysis of the deca…

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-ex2016★ 4 cited

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

BESIII Collaboration, M. Ablikim, M. N. Achasov +424

The decays of $χ_{c 2} \to K^{+} K^{-} π^{0}$ , $K_{S} K^{\pm} π^{\mp}$ and $π^{+} π^{-} π^{0}$ are studied with the $ψ (3686)$ data samples collected with the Beijing Spectrometer (BESIII)…

hep-ex2016★ 62 cited

Measurement of the Absolute Branching Fraction for $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$

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

We report the first measurement of the absolute branching fraction for $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ . This measurement is based on a sample of $e^{+} e^{-}$ annihilation data at a center…

hep-ex2016★ 39 cited

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

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

We report the first direct measurement of decays of the $Λ_{c}^{+}$ baryon involving the neutron. The analysis is performed using 567 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at…

hep-ex2016★ 189 cited

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

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

The cross sections of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII detector operating a…

hep-ex2016★ 65 cited

Determination of the number of $J / ψ$ events with inclusive $J / ψ$ decays

M. Ablikim, M. N. Achasov, X. C. Ai +405

A measurement of the number of $J / ψ$ events collected with the BESIII detector in 2009 and 2012 is performed using inclusive decays of the $J / ψ$ . The number of $J / ψ$ events taken…

hep-ex2016★ 23 cited

Observation of $e^{+} e^{-} \to η^{'} J / ψ$ at center-of-mass energies between 4.189 and 4.600 GeV

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

The process $e^{+} e^{-} \to η^{'} J / ψ$ is observed for the first time with a statistical significance of $8.6 σ$ at center-of-mass energy $s = 4.226$ GeV and $7.3 σ$ at $\…

Proof of principle for nucleon polarization measurement at BESIII

Observation of ψ(3686)→ΛΛˉη′ decay

Measurements of the absolute branching fractions of Ω− decays and test of the ΔI=1/2 rule

Search for the semileptonic decays Ds+​→K1​(1270)0e+νe​ and Ds+​→b1​(1235)0e+νe​

A coupled-channel analysis of the X(3872) lineshape with BESIII data

Investigation of the ΔI=1/2 rule and test of CP violation through the measurement of decay asymmetry parameters in Ξ− decays

Measurement of the e+e−→KS0​KL0​π0 cross sections from s​= 2.000 to 3.080 GeV

Observation of D+→KS0​a0​(980)+ in the amplitude analysis of D+→KS0​π+η

Measurement of the cross section of e+e−→Ξ−Ξˉ+ at center-of-mass energies between 3.510 and 4.843 GeV

Improved measurement of the branching fractions for J/ψ→γπ0, γη and γη′

Measurement of the e+e−→ΛΣˉ0+c.c. cross sections at s​ from 2.3094 to 3.0800 GeV

Search for the light hadron decay χc1​(3872)→π+π−η

Study of e+e−→ηϕ at center-of-mass energies from 3.773 to 4.600 GeV

Measurement of e+e−→ϕη′ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay ψ(3770)→ϕη′

Measurement of the branching fractions of the singly Cabibbo-suppressed decays Λc+​→pη and Λc+​→pω

Study of Λc+​→Λμ+νμ​ and Test of Lepton Flavor Universality with Λc+​→Λℓ+νℓ​ Decays

Amplitude analysis and branching fraction measurement of the decay D+→KS0​π+π0π0

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

Observation of the helicity-selection-rule suppressed decay of the χc2​ charmonium state

Measurement of the Absolute Branching Fraction for Λc+​→Λμ+νμ​

Observation of Λc+​→nKS0​π+

Evidence of Two Resonant Structures in e+e−→π+π−hc​

Determination of the number of J/ψ events with inclusive J/ψ decays

Observation of e+e−→η′J/ψ at center-of-mass energies between 4.189 and 4.600 GeV

Observation of $ψ (3686) \to Λ Λ ˉ η^{'}$ decay

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $ψ (3770) \to ϕ η^{'}$

Measurement of the branching fractions of the singly Cabibbo-suppressed decays $Λ_{c}^{+} \to p η$ and $Λ_{c}^{+} \to p ω$

Study of $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ and Test of Lepton Flavor Universality with $Λ_{c}^{+} \to Λ ℓ^{+} ν_{ℓ}$ Decays

Amplitude analysis and branching fraction measurement of the decay $D^{+} \to K_{S}^{0} π^{+} π^{0} π^{0}$

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

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

Measurement of the Absolute Branching Fraction for $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

Determination of the number of $J / ψ$ events with inclusive $J / ψ$ decays

Observation of $e^{+} e^{-} \to η^{'} J / ψ$ at center-of-mass energies between 4.189 and 4.600 GeV