Lei Zhang

activity

20212025

most citedNew Features in the Electromagnetic Structure of the Neutron

92 citations · 437 across the 42 of their papers we have counts for

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41 papers · 1 filter

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 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★ 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

Search for the baryon and lepton number violating decay $J / ψ \to p e^{-}$ + c.c

BESIII Collaboration, M. Ablikim, M. N. Achasov +667

Based on $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, we perform a search for the baryon- and lepton-…

hep-ex2025★ 3 cited

Observation of Three Resonant Structures in the Cross Section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Using $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the Beijing Electron Positron Collider, the cross section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ is measured at 59…

hep-ex2024★ 4 cited

Measurement of the branching fractions of the decays $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ , $Λ_{c}^{+} \to Λ K_{S}^{0} π^{+}$ and $Λ_{c}^{+} \to Λ K^{*+}$

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

Studies are performed of the Cabibbo-favored decay $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ and the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Λ K_{S}^{0} π^{+}$ , based on a sample of $e^{+}e^{-}…

hep-ex2024★ 3 cited

Search for the radiative transition $χ_{c 1} (3872) \to γ ψ_{2} (3823)$

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

Using 9.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies from 4.178 to 4.278 GeV with the BESIII detector at the BEPCII collider, we perform the firs…

hep-ex2024★ 4 cited

Observation of electroweak production of $W^{+} W^{-}$ in association with jets in proton-proton collisions at $s = 13$ TeV with the ATLAS Detector

ATLAS Collaboration

A measurement of the production of $W$ bosons with opposite electric charges in association with two jets is presented based on 140 fb $^{- 1}$ of data collected by the ATLAS detecto…

hep-ex2024

Observation of structures in the processes $e^{+} e^{-} \to ω χ_{c 1}$ and $ω χ_{c 2}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

We present measurements of the Born cross sections for the processes $e^{+} e^{-} \to ω χ_{c 1}$ and $ω χ_{c 2}$ at center-of-mass energies $s$ from 4.308 to 4.951 GeV. The mea…

hep-ex2024★ 10 cited

Measurement of Born cross section of $e^{+} e^{-} \to Σ^{+} Σ ˉ^{-}$ at center-of-mass energies between 3.510 and 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +642

Using 24.1 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider, the Born cross sections and effective form factors of the $e^{+}e^{-}…

hep-ex2023

Study of the decay $J / ψ \to ϕ π^{0} η$

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

Based on $(10.09 \pm 0.04) \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII collider, a partial wave analysis of the decay $J / ψ \to ϕ π^{0} η$ is p…

hep-ex2023★ 17 cited

Observation of the Anomalous Shape of $X (1840)$ in $J / ψ \to γ 3 (π^{+} π^{-})$ Indicating a Second Resonance Near $p p ˉ$ Threshold

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

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events, which is about 45 times larger than that was previously analyzed, a further investigation on the $J/ψ\rightarrow γ3(π^+π^-…

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★ 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

Observation of the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$

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

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector in 2009, 2012, 2018 and 2019, the electromagnetic Dalitz process $J/ψ\to e^+ e^- η(14…

hep-ex2023★ 14 cited

Observation of $D_{s}^{+} \to η^{'} μ^{+} ν_{μ}$ , Precision Test of Lepton Flavor Universality with $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ , and First Measurements of $D_{s}^{+} \to η^{(')} μ^{+} ν_{μ}$ Decay Dynamics

BESIII Collaboration, M. Ablikim, M. N. Achasov +596

By analyzing 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we report the observation of 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

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-ex2023

Search for a scalar partner of the $X (3872)$ via $ψ (3770)$ decays into $γ η η^{'}$ and $γ π^{+} π^{-} J / ψ$

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

Using 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 at the BEPCII collider, w…

hep-ex2023

Measurement of the $e^{+} e^{-} \to Λ Λ ˉ$ cross section from threshold to 3.00 GeV using events with initial-state radiation

BESIII Collaboration, M. Ablikim, M. N. Achasov +600

Using initial-state radiation events from a total integrated luminosity of 11.957 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 3.773 and 4.258…

hep-ex2023★ 9 cited

Study of the $f_{0} (980)$ and $f_{0} (500)$ Scalar Mesons through the Decay $D_{s}^{+} \to π^{+} π^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +605

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 7.33~ $f b^{- 1}$ recorded by the BESIII detector at center-of-mass energies between 4.128 and 4.226~$…

hep-ex2023★ 7 cited

Updated measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} ν ˉ_{τ}$

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

This paper reports the study of $D_{s}^{+} \to τ^{+} ν$ via $τ^{+} \to π^{+} ν ˉ_{τ}$ using a boosted decision tree method, with $7.33$ fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the B…

hep-ex2023★ 5 cited

Measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to μ^{+} ν_{μ} ν_{τ} ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +592

Utilizing $7.33 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken at the center-of-mass energies of 4.128, 4.157, 4.178, 4.189, 4.199, 4.209, 4.219, and 4.226 GeV with the BESIII…

hep-ex2023★ 35 cited

Observation of Three Charmoniumlike States with $J^{P C} = 1^{--}$ in $e^{+} e^{-} \to D^{* 0} D^{*-} π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +593

The Born cross sections of the process $e^{+} e^{-} \to D^{* 0} D^{*-} π^{+}$ at center-of-mass energies from 4.189 to 4.951 GeV are measured for the first time. The data samples used c…

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

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

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

Search for the baryon and lepton number violating decay J/ψ→pe− + c.c

Observation of Three Resonant Structures in the Cross Section of e+e−→π+π−hc​

Measurement of the branching fractions of the decays Λc+​→ΛKS0​K+, Λc+​→ΛKS0​π+ and Λc+​→ΛK∗+

Search for the radiative transition χc1​(3872)→γψ2​(3823)

Observation of electroweak production of W+W− in association with jets in proton-proton collisions at s​=13 TeV with the ATLAS Detector

Observation of structures in the processes e+e−→ωχc1​ and ωχc2​

Measurement of Born cross section of e+e−→Σ+Σˉ− at center-of-mass energies between 3.510 and 4.951 GeV

Study of the decay J/ψ→ϕπ0η

Observation of the Anomalous Shape of X(1840) in J/ψ→γ3(π+π−) Indicating a Second Resonance Near ppˉ​ Threshold

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

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

Observation of the decay J/ψ→e+e−η(1405) with η(1405)→π0f0​(980)

Observation of Ds+​→η′μ+νμ​, Precision Test of Lepton Flavor Universality with Ds+​→η(′)ℓ+νℓ​, and First Measurements of Ds+​→η(′)μ+νμ​ Decay Dynamics

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

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

Search for a scalar partner of the X(3872) via ψ(3770) decays into γηη′ and γπ+π−J/ψ

Measurement of the e+e−→ΛΛˉ cross section from threshold to 3.00 GeV using events with initial-state radiation

Study of the f0​(980) and f0​(500) Scalar Mesons through the Decay Ds+​→π+π−e+νe​

Updated measurement of the branching fraction of Ds+​→τ+ντ​ via τ+→π+νˉτ​

Measurement of the branching fraction of Ds+​→τ+ντ​ via τ+→μ+νμ​ντ​ˉ​

Observation of Three Charmoniumlike States with JPC=1−− in e+e−→D∗0D∗−π+

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

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

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

Search for the baryon and lepton number violating decay $J / ψ \to p e^{-}$ + c.c

Observation of Three Resonant Structures in the Cross Section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

Measurement of the branching fractions of the decays $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ , $Λ_{c}^{+} \to Λ K_{S}^{0} π^{+}$ and $Λ_{c}^{+} \to Λ K^{*+}$

Search for the radiative transition $χ_{c 1} (3872) \to γ ψ_{2} (3823)$

Observation of electroweak production of $W^{+} W^{-}$ in association with jets in proton-proton collisions at $s = 13$ TeV with the ATLAS Detector

Observation of structures in the processes $e^{+} e^{-} \to ω χ_{c 1}$ and $ω χ_{c 2}$

Measurement of Born cross section of $e^{+} e^{-} \to Σ^{+} Σ ˉ^{-}$ at center-of-mass energies between 3.510 and 4.951 GeV

Study of the decay $J / ψ \to ϕ π^{0} η$

Observation of the Anomalous Shape of $X (1840)$ in $J / ψ \to γ 3 (π^{+} π^{-})$ Indicating a Second Resonance Near $p p ˉ$ Threshold

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

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 the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$

Observation of $D_{s}^{+} \to η^{'} μ^{+} ν_{μ}$ , Precision Test of Lepton Flavor Universality with $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ , and First Measurements of $D_{s}^{+} \to η^{(')} μ^{+} ν_{μ}$ Decay Dynamics

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

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

Search for a scalar partner of the $X (3872)$ via $ψ (3770)$ decays into $γ η η^{'}$ and $γ π^{+} π^{-} J / ψ$

Measurement of the $e^{+} e^{-} \to Λ Λ ˉ$ cross section from threshold to 3.00 GeV using events with initial-state radiation

Study of the $f_{0} (980)$ and $f_{0} (500)$ Scalar Mesons through the Decay $D_{s}^{+} \to π^{+} π^{-} e^{+} ν_{e}$

Updated measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} ν ˉ_{τ}$

Measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to μ^{+} ν_{μ} ν_{τ} ˉ$

Observation of Three Charmoniumlike States with $J^{P C} = 1^{--}$ in $e^{+} e^{-} \to D^{* 0} D^{*-} π^{+}$