Li Fei

activity

20032025

most citedBranching fraction measurements of χ_{c0} and χ_{c2} to π^0π^0 and ηη

162 citations · 1.1k across the 39 of their papers we have counts for

collaborators

39 papers

hep-ex2025

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we study the semileptonic decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ for the first time at an electron-…

hep-ex2022★ 15 cited

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

Using $4.7 f b^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies from 4.661 to 4.951 GeV collected by the BESIII detector at the BEPCII collider, we observe the $X(387…

hep-ex2022★ 2 cited

Observation of $e^{+} e^{-} \to pp p ˉ n ˉ π^{-} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +559

Using data taken at 29 center-of-mass energies between 4.16 and 4.70 GeV with the BESIII detector at the Beijing Electron Positron Collider corresponding to a total integrated lumi…

hep-ex2022★ 6 cited

Search for hidden-charm tetraquark with strangeness in $e^{+} e^{-} \to K^{+} D_{s}^{-} D^{ 0} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

We report a search for a heavier partner of the recently observed $Z_{cs} (3985)^{-}$ state, denoted as $Z_{cs}^{' -}$ , in the process $e^{+} e^{-}\rightarrow K^{+}D_{s}^{*-}D^…

hep-ex2022★ 1 cited

Search for the weak decay $ψ (3686) \to Λ_{c}^{+} Σ ˉ^{-} + c . c$

BESIII Collaboration, M. Ablikim, M. N. Achasov +569

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we perform the first search for the weak baryonic decay $ψ(3686) \to Λ_c^{+} \barΣ^- +c.c…

hep-ex2022★ 5 cited

Amplitude analysis and branching fraction measurement of the decay \boldmath $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +560

The singly Cabibbo-suppressed decay $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$ is observed, using a data set corresponding to an integrated luminosity of 6.32 $f b^{- 1}$ recorded by the…

hep-ex2022★ 60 cited

Observation of the $Y (4230)$ and a new structure in $e^{+} e^{-} \to K^{+} K^{-} J / ψ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +560

The cross sections of $e^{+} e^{-} \to K^{+} K^{-} J / ψ$ at center-of-mass energies from 4.127 to 4.600~GeV are measured based on 15.6 fb $^{- 1}$ data collected with the BESIII detector…

hep-ex2022★ 3 cited

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

Using $e^{+} e^{-}$ annihilation data corresponding to a total integrated luminosity of $6.32$ fb $^{- 1}$ collected at the center-of-mass energies between 4.178 and 4.226 GeV with th…

hep-ex2022★ 70 cited

Measurement of integrated luminosities at BESIII for data samples at center-of-mass energies between 4.0 and 4.6 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +550

The integrated luminosities of the data samples collected in the BESIII experiment in 2016--2017 at center-of-mass energies between 4.19 and 4.28 GeV are measured with a precision…

hep-ex2021★ 121 cited

Number of $J/ ψ$ events at BESIII

BESIII Collaboration

Using inclusive decays of the $J/ ψ$ , a precise determination of the number of $J/ ψ$ events collected with the BESIII detector is performed. For the two data sets taken in 2…

hep-ex2021★ 5 cited

Measurement of the absolute branching fractions of Jpsi to gamma eta and eta decay modes

BESIII Collaboration

Based on a data sample of (1.0087+-0.0044)x10^10 Jpsi events collected by the BESIII detector at the BEPCII accelerator, the absolute branching fraction (BF) of the decay Jpsi->gam…

hep-ex2021★ 11 cited

Observation of $ψ (3686) \to Ξ (1530)^{0} Ξ ˉ (1530)^{0}$ and $Ξ (1530)^{0} Ξ ˉ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector and a single-baryon tagging technique, we present the first observation of the decays $ψ(3686…

hep-ex2021★ 1 cited

Measurement of the branching fraction for $ψ (3686) \to ω K_{S}^{0} K_{S}^{0}$

M. Ablikim, M. N. Achasov, P. Adlarson +531

Analyzing $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the $ψ (3686) \to ω K_{S}^{0} K_{S}^{0}$ decay is observed for the first…

hep-ex2021★ 6 cited

Amplitude analysis of $D_{s}^{+} \to π^{+} π^{-} π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +488

Utilizing the data set corresponding to an integrated luminosity of $3.19$ fb $^{- 1}$ collected by the BESIII detector at a center-of-mass energy of 4.178 GeV, we perform an amplitu…

hep-ex2021★ 35 cited

Measurement of the cross section for $e^{+} e^{-} \to Λ Λ ˉ$ and evidence of the decay $ψ (3770) \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +502

The Born cross section of the process $e^{+} e^{-} \to Λ Λ ˉ$ is measured at 33 center-of-mass energies between 3.51 and 4.60 GeV using data corresponding to the total integr…

hep-ex2021★ 5 cited

Measurement of Branching Fractions of $J / ψ$ and $ψ (3686)$ decays to $Σ^{+}$ and $Σ^{-}$

M. Ablikim, M. N. Achasov, P. Adlarson +500

Using $1310.6 \times 1 0^{6}$ $J / ψ$ and $448.1 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, the branching fractions of $J / ψ$ and $ψ (3686)$ decays to $Σ^{+}\overli…

hep-ex2021★ 12 cited

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{0}$

BESIII Collaboration

The first amplitude analysis of the decay $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{0}$ is presented using the data samples, corresponding to an integrated luminosity of 6.32 fb $^{- 1}$ , collected with t…

hep-ex2021★ 14 cited

Observation of $D^{0} \to K_{1} (1270)^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +507

Using 2.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at a center-of-mass energy of 3.773 $GeV$ , the observation of the $D^{0} \to K_{1} (1270)^{-} e^{+} ν_{e}$ s…

hep-ex2021★ 3 cited

Study of $e^{+} e^{-} \to π^{0} X (3872) γ$ and search for $Z_{c} (4020)^{0} \to X (3872) γ$

M. Ablikim, M. N. Achasov, P. Adlarson +505

Using data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies from 4.178 to 4.600 GeV, we study the process $e^+e^-\rightarr…

physics.ins-det2020★ 91 cited

Calibration Strategy of the JUNO Experiment

JUNO collaboration, Angel Abusleme, Thomas Adam +588

We present the calibration strategy for the 20 kton liquid scintillator central detector of the Jiangmen Underground Neutrino Observatory (JUNO). By utilizing a comprehensive multi…

hep-ex2020★ 13 cited

Feasibility and physics potential of detecting $^{8}$ B solar neutrinos at JUNO

JUNO collaboration, Angel Abusleme, Thomas Adam +589

The Jiangmen Underground Neutrino Observatory~(JUNO) features a 20~kt multi-purpose underground liquid scintillator sphere as its main detector. Some of JUNO's features make it an…

hep-ex2020★ 22 cited

First Observation of $D^{+} \to η μ^{+} ν_{μ}$ and Measurement of its Decay Dynamics

BESIII Collaboration

By analyzing a data sample corresponding to an integrated luminosity of $2.93 fb^{- 1}$ collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we measu…

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★ 46 cited

Measurement of the cross section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ and observation of an excited $Ξ$ baryon

BESIII Collaboration, M. Ablikim, M. N. Achasov +483

Using a total of 11.0 fb $^{- 1}$ of $e^{+} e^{-}$ collision data with center-of-mass energies between 4.009 GeV and 4.6 GeV and collected with the BESIII detector at BEPCII, we measu…

Measurements of the Absolute Branching Fraction of the Semileptonic Decay Ξ−→Λe−νˉe​ and the Axial Charge of the Ξ−

Observation of a New X(3872) Production Process e+e−→ωX(3872)

Observation of e+e−→pppˉ​nˉπ−+c.c.

Search for hidden-charm tetraquark with strangeness in e+e−→K+Ds∗−​D∗0+c.c.

Search for the weak decay ψ(3686)→Λc+​Σˉ−+c.c

Amplitude analysis and branching fraction measurement of the decay \boldmath Ds+​→K+π+π−π0

Observation of the Y(4230) and a new structure in e+e−→K+K−J/ψ

Amplitude analysis and branching fraction measurement of Ds+​→K−K+π+π+π−

Measurement of integrated luminosities at BESIII for data samples at center-of-mass energies between 4.0 and 4.6 GeV

Number of J/ψ events at BESIII

Measurement of the absolute branching fractions of Jpsi to gamma eta and eta decay modes

Observation of ψ(3686)→Ξ(1530)0Ξˉ(1530)0 and Ξ(1530)0Ξˉ0

Measurement of the branching fraction for ψ(3686)→ωKS0​KS0​

Amplitude analysis of Ds+​→π+π−π+

Measurement of the cross section for e+e−→ΛΛˉ and evidence of the decay ψ(3770)→ΛΛˉ

Measurement of Branching Fractions of J/ψ and ψ(3686) decays to Σ+ and Σ−

Amplitude analysis and branching fraction measurement of Ds+​→K−K+π+π0

Observation of D0→K1​(1270)−e+νe​

Study of e+e−→π0X(3872)γ and search for Zc​(4020)0→X(3872)γ

Calibration Strategy of the JUNO Experiment

Feasibility and physics potential of detecting 8B solar neutrinos at JUNO

First Observation of D+→ημ+νμ​ and Measurement of its Decay Dynamics

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

Measurement of the cross section for e+e−→Ξ−Ξˉ+ and observation of an excited Ξ baryon

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

Observation of $e^{+} e^{-} \to pp p ˉ n ˉ π^{-} + c . c .$

Search for hidden-charm tetraquark with strangeness in $e^{+} e^{-} \to K^{+} D_{s}^{-} D^{ 0} + c . c .$

Search for the weak decay $ψ (3686) \to Λ_{c}^{+} Σ ˉ^{-} + c . c$

Amplitude analysis and branching fraction measurement of the decay \boldmath $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$

Observation of the $Y (4230)$ and a new structure in $e^{+} e^{-} \to K^{+} K^{-} J / ψ$

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{+} π^{-}$

Number of $J/ ψ$ events at BESIII

Observation of $ψ (3686) \to Ξ (1530)^{0} Ξ ˉ (1530)^{0}$ and $Ξ (1530)^{0} Ξ ˉ^{0}$

Measurement of the branching fraction for $ψ (3686) \to ω K_{S}^{0} K_{S}^{0}$

Amplitude analysis of $D_{s}^{+} \to π^{+} π^{-} π^{+}$

Measurement of the cross section for $e^{+} e^{-} \to Λ Λ ˉ$ and evidence of the decay $ψ (3770) \to Λ Λ ˉ$

Measurement of Branching Fractions of $J / ψ$ and $ψ (3686)$ decays to $Σ^{+}$ and $Σ^{-}$

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{0}$

Observation of $D^{0} \to K_{1} (1270)^{-} e^{+} ν_{e}$

Study of $e^{+} e^{-} \to π^{0} X (3872) γ$ and search for $Z_{c} (4020)^{0} \to X (3872) γ$

Feasibility and physics potential of detecting $^{8}$ B solar neutrinos at JUNO

First Observation of $D^{+} \to η μ^{+} ν_{μ}$ and Measurement of its Decay Dynamics

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

Measurement of the cross section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ and observation of an excited $Ξ$ baryon