L. Cheng

activity

20072026

most citedDeeply Virtual Compton Scattering Beam-Spin Asymmetries

194 citations · 757 across the 106 of their papers we have counts for

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19 papers · 1 filter

hep-ex2025

Observation and branching fraction measurements of $χ_{c J} \to p p ˉ K_{S}^{0} K_{S}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

Based on $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector, the decays $χ_{c J} \to p p ˉ K_{S}^{0} K_{S}^{0}$ ( $J = 0, 1, 2$ ) are observed for the fir…

hep-ex2025

Cross sections measurement of $e^{+} e^{-} \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$ and search for $ψ (3770) \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$

BESIII Colaboration, :, M. Ablikim +681

Using $e^{+} e^{-}$ collision data collected with the BESIII detector corresponding to an integrated luminosity of 44.2 fb $^{- 1}$ , we measure the Born cross sections for the process $e^…

hep-ex2025

Measurements of the branching fractions of $χ_{c J} \to ϕϕ η, ϕϕ η^{'}$ and $ϕ K^{+} K^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

Using a sample of $(2712.4 \pm 14.3) \times 1 0^{6} ψ$ (3686) events collected by the BESIII detector at the BEPCII collider, we measure the branching fractions of the decays $χ_{cJ}\t…

hep-ex2025

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} π^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

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

Using a 10.9 fb $^{- 1}$ data sample collected by the BESIII detector at center-of-mass energies from 4.16 to 4.34 GeV, we search for the charmless decays $X(3872) \to K_{S}^{0}K^{\p…

hep-ex2025

Amplitude Analysis and Branching Fraction Measurement of $D^{+} \to π^{+} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +686

We present the first amplitude analysis of the hadronic decay $D^{+} \to π^{+} π^{0} π^{0}$ , using $e^{+} e^{-}$ collision data collected with the BESIII detector at a center-of-mass energy of…

hep-ex2025

First measurement of the absolute branching fractions of $Σ^{+}$ nonleptonic decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the center-of-mass energy $s = 3.097$ GeV, the first absolute measurement of the branc…

hep-ex2025

Search for the lepton number violating process $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +691

We present a search for the lepton number violating decay $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$ with $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the BEPCII…

hep-ex2025

Study of the reactions $n ˉ p \to 2 π^{+} π^{-}$ , $2 π^{+} π^{-} π^{0}$ , and $2 π^{+} π^{-} 2 π^{0}$ using $J / ψ \to p π^{-} n ˉ$

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

We report an experimental investigation of the reactions $n ˉ p \to 2 π^{+} π^{-}$ , $n ˉ p \to 2 π^{+} π^{-} π^{0}$ , and $n ˉ p \to 2 π^{+} π^{-} 2 π^{0}$ using $(10.087 \pm 0.0…

hep-ex2025

Test of $C P$ Symmetry in the Neutral Decays of $Λ$ via $J / ψ \to Λ Λ ˉ$

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

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, a full angular distribution analysis is carried out on the process $J/ψ\rightarrowΛ\barΛ\rightarro…

hep-ex2025

Search for the charmonium semi-leptonic weak decay $J / ψ \to D_{s}^{-} e^{+} ν_{e} + c . c .$

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

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at a centre-of-mass energy of $s = 3.097 GeV$ , a dedicated search…

hep-ex2025

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

We measure the mass difference between $D_{s}^{*+}$ and $D_{s}^{+}$ , $Δ m_{s}$ , using the decay chain $D_{s}^{*+} \to D_{s}^{+} (\to K^{+} K^{-} π^{+}) π^{0}$ , utilizing $e^{+} e^{-}$ annihi…

hep-ex2025★ 2 cited

Search for a hypothetical gauge boson and dark photons in charmonium transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

We report a direct search for a new gauge boson, $X$ , with a mass of $17 MeV / c^{2}$ , which could explain the anomalous excess of $e^{+} e^{-}$ pairs observed in the $^{8} Be$ n…

hep-ex2025

First measurements of the branching fractions of $J / ψ \to Ξ^{0} Λ ˉ K_{S}^{0} + c . c .$ , $J / ψ \to Ξ^{0} Σ ˉ^{0} K_{S}^{0} + c . c .$ , and $J / ψ \to Ξ^{0} Σ ˉ^{-} K^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +686

By analyzing $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the BEPCII, the decays $J / ψ \to Ξ^{0} Λ ˉ K_{S}^{0} + c . c .$ , $J / ψ \to Ξ^{0} Σ ˉ^{0} K_{S}^{0} + c . c .$ , and $…

hep-ex2025

First Observation of $Λ$ Hyperon Transverse Polarization in $ψ (3686) \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +687

Based on $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we present the first observation of spin transverse polarization of…

hep-ex2025★ 1 cited

Observation of a threshold enhancement in the $π^{+} π^{-}$ spectrum in $ψ (3686) \to π^{+} π^{-} J / ψ$ decays

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

Based on the $(2712.4 \pm 14.4) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we present a high-precision study of the $π^{+} π^{-}$ mass spectrum in $ψ(3686)\rightar…

hep-ex2025

Study of the $χ_{c J} \to Λ Λ ˉ η^{'}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

Using a data sample of $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we investigate the decays $χ_{cJ} \rightarrow Λ\bar…

hep-ex2025

Search for CP violation in $e^{+} e^{-} \to ψ (3770) \to D^{0} D ˉ^{0}$ via $D - > K_{S}^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +701

Utilizing data sample of electron-positron collisions recorded with the BESIII detector at the center of mass energy of 3.773 GeV, corresponding to an integrated luminosity of 20.2…

hep-ex2025

Production and Decay Dynamics of the Charmed Baryon $Λ_{c}^{+}$ in $e^{+} e^{-}$ Annihilations near Threshold

BESIII Collaboration, M. Ablikim, M. N. Achasov +700

The study of the charmed baryons is crucial for investigating the strong and weak interactions in the standard model and for gaining insights into the internal structure of baryons…

hep-ex2025

Search for the charged lepton flavor violating decay $ψ (3686) \to e^{\pm} μ^{\mp}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +695

By analyzing $(2367.0 \pm 11.1) \times 1 0^{6}$ $ψ (3686)$ events collected in $e^{+} e^{-}$ collisions at $s = 3.686 GeV$ with the BESIII detector at the BEPCII collider, we report th…

Observation and branching fraction measurements of χcJ​→ppˉ​KS0​KS0​

Cross sections measurement of e+e−→Ξ(1530)0Ξˉ0+c.c. and search for ψ(3770)→Ξ(1530)0Ξˉ0+c.c.

Measurements of the branching fractions of χcJ​→ϕϕη,ϕϕη′ and ϕK+K−η

Search for the decays X(3872)→KS0​K±π∓ and K∗(892)Kˉ at BESIII

Amplitude Analysis and Branching Fraction Measurement of D+→π+π0π0

First measurement of the absolute branching fractions of Σ+ nonleptonic decays and test of the ΔI=1/2 rule

Search for the lepton number violating process Ξ−→Σ+e−e−+c.c.

Study of the reactions nˉp→2π+π−, 2π+π−π0, and 2π+π−2π0 using J/ψ→pπ−nˉ

Test of CP Symmetry in the Neutral Decays of Λ via J/ψ→ΛΛˉ

Search for the charmonium semi-leptonic weak decay J/ψ→Ds−​e+νe​+c.c.

Precision Measurement of Ds∗+​-Ds+​ Mass Difference

Search for a hypothetical gauge boson and dark photons in charmonium transitions

First measurements of the branching fractions of J/ψ→Ξ0ΛˉKS0​+c.c., J/ψ→Ξ0Σˉ0KS0​+c.c., and J/ψ→Ξ0Σˉ−K++c.c.

First Observation of Λ Hyperon Transverse Polarization in ψ(3686)→ΛΛˉ

Observation of a threshold enhancement in the π+π− spectrum in ψ(3686)→π+π−J/ψ decays

Study of the χcJ​→ΛΛˉη′ decays

Search for CP violation in e+e−→ψ(3770)→D0Dˉ0 via D−>KS0​π0

Production and Decay Dynamics of the Charmed Baryon Λc+​ in e+e− Annihilations near Threshold

Search for the charged lepton flavor violating decay ψ(3686)→e±μ∓

Observation and branching fraction measurements of $χ_{c J} \to p p ˉ K_{S}^{0} K_{S}^{0}$

Cross sections measurement of $e^{+} e^{-} \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$ and search for $ψ (3770) \to Ξ (1530)^{0} Ξ ˉ^{0} + c . c .$

Measurements of the branching fractions of $χ_{c J} \to ϕϕ η, ϕϕ η^{'}$ and $ϕ K^{+} K^{-} η$

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} π^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

Amplitude Analysis and Branching Fraction Measurement of $D^{+} \to π^{+} π^{0} π^{0}$

First measurement of the absolute branching fractions of $Σ^{+}$ nonleptonic decays and test of the $Δ I = 1/2$ rule

Search for the lepton number violating process $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$

Study of the reactions $n ˉ p \to 2 π^{+} π^{-}$ , $2 π^{+} π^{-} π^{0}$ , and $2 π^{+} π^{-} 2 π^{0}$ using $J / ψ \to p π^{-} n ˉ$

Test of $C P$ Symmetry in the Neutral Decays of $Λ$ via $J / ψ \to Λ Λ ˉ$

Search for the charmonium semi-leptonic weak decay $J / ψ \to D_{s}^{-} e^{+} ν_{e} + c . c .$

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

First measurements of the branching fractions of $J / ψ \to Ξ^{0} Λ ˉ K_{S}^{0} + c . c .$ , $J / ψ \to Ξ^{0} Σ ˉ^{0} K_{S}^{0} + c . c .$ , and $J / ψ \to Ξ^{0} Σ ˉ^{-} K^{+} + c . c .$

First Observation of $Λ$ Hyperon Transverse Polarization in $ψ (3686) \to Λ Λ ˉ$

Observation of a threshold enhancement in the $π^{+} π^{-}$ spectrum in $ψ (3686) \to π^{+} π^{-} J / ψ$ decays

Study of the $χ_{c J} \to Λ Λ ˉ η^{'}$ decays

Search for CP violation in $e^{+} e^{-} \to ψ (3770) \to D^{0} D ˉ^{0}$ via $D - > K_{S}^{0} π^{0}$

Production and Decay Dynamics of the Charmed Baryon $Λ_{c}^{+}$ in $e^{+} e^{-}$ Annihilations near Threshold

Search for the charged lepton flavor violating decay $ψ (3686) \to e^{\pm} μ^{\mp}$