W. Cheng

activity

20182025

most citedObservation of an isoscalar resonance with exotic

J^{P C} = 1^{-+}

quantum numbers in

J / ψ \to γ η η^{'}

84 citations · 1.8k across the 176 of their papers we have counts for

collaborators

Showing 2023Show all

55 papers · 1 filter

hep-ex2023★ 7 cited

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

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

Evidence for the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p π^{0}$ is reported for the first time with a statistical significance of $3.7 σ$ based on 6.0 $fb^{- 1}$ of $e^+e^-…

hep-ex2023

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +612

The first observation of the decays $J / ψ \to p ˉ Σ^{+} K_{S}^{0}$ and $J / ψ \to p Σ ˉ^{-} K_{S}^{0}$ is reported using $(10087 \pm 44) \times 1 0^{6}$ $J\!/\!…

hep-ex2023★ 2 cited

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

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

Based on $(27.08 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the $ψ (3686) \to Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$ d…

hep-ex2023★ 1 cited

Search for $J / ψ$ weak decays containing $D$ meson

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

Using a sample of about 10 billion $J / ψ$ events with the BESIII detector, we search for the weak decays of $J / ψ \to D ˉ^{0} π^{0} + c . c .$ , $J / ψ \to D ˉ^{0} η + c . c .$ , $J/ψ\to \bar{D}^…

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

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★ 6 cited

Novel method to extract the femtometer structure of strange baryons using the vacuum polarization effect

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

One of the fundamental goals of particle physics is to gain microscopic understanding of the strong interaction. Electromagnetic form factors quantify the structure of hadrons in t…

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★ 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★ 2 cited

Search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ via $J / ψ \to ϕ η$

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

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ …

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★ 11 cited

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +599

Based on a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the decays of $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$ with $\overl…

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

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

Studies of the decay $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$ decay is studied based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at center-of-mass energies in the range from 4.12…

hep-ex2023★ 43 cited

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

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

We study the process $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ at twelve center-of-mass energies from $4.6119$ to $4.9509 GeV$ using data samples collected by the BESIII detecto…

hep-ex2023

Measurement of $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$ cross sections between 4.009 GeV and 4.951 GeV

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

Using $e^{+} e^{-}$ collision datasets corresponding to total integrated luminosity of 21.7 fb $^{- 1}$ collected with the BESIII detector at the BEPCII collider at center-of-mass energie…

hep-ex2023★ 15 cited

Determination of the $Σ^{+}$ Timelike Electromagnetic Form Factors

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

Based on data samples collected with the BESIII detector at the BEPCII collider, the process $e^{+} e^{-} \to Σ^{+} Σ ˉ^{-}$ is studied at center-of-mass energies $s$ = 2.39…

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★ 8 cited

Search for the semi-muonic charmonium decay $J / ψ \to D^{-} μ^{+} ν_{μ} + c . c .$

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

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ storage ring at the center-of-mass energy of $s = 3.097 GeV$ , we p…

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★ 5 cited

Precise measurement of the branching fractions of $J / ψ \to Λ ˉ π^{+} Σ^{-} + c . c .$ and $J / ψ \to Λ ˉ π^{-} Σ^{+} + c . c .$

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

Based on a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the branching fraction of $J / ψ \to Λ ˉ π^{+} Σ^{-} + c . c .$ is measured to be…

Evidence of the Singly Cabibbo Suppressed decay Λc+​→pπ0

Observation and branching fraction measurement of the decay J/ψ→pˉ​Σ+KS0​+c.c.

Observation of the ψ(3686) decays into Σ+Σˉ−ω and Σ+Σˉ−ϕ

Search for J/ψ weak decays containing D meson

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

Observation of ψ(3686)→ΛΛˉη′ decay

Novel method to extract the femtometer structure of strange baryons using the vacuum polarization effect

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

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′

Search for the lepton number violation decay ϕ→π+π+e−e− via J/ψ→ϕη

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

Study of excited Ξ states in ψ(3686)→K−ΛΞ++c.c.

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

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

Studies of the decay Ds+​→K+K−μ+νμ​

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

Measurement of e+e−→pK−Λˉ+c.c. cross sections between 4.009 GeV and 4.951 GeV

Determination of the Σ+ Timelike Electromagnetic Form Factors

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

Search for the semi-muonic charmonium decay J/ψ→D−μ+νμ​+c.c.

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

Precise measurement of the branching fractions of J/ψ→Λˉπ+Σ−+c.c. and J/ψ→Λˉπ−Σ++c.c.

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

Search for $J / ψ$ weak decays containing $D$ meson

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

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

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

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 $γ η^{'}$

Search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ via $J / ψ \to ϕ η$

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

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

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

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

Studies of the decay $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$

Measurement of $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$ cross sections between 4.009 GeV and 4.951 GeV

Determination of the $Σ^{+}$ Timelike Electromagnetic Form Factors

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

Search for the semi-muonic charmonium decay $J / ψ \to D^{-} μ^{+} ν_{μ} + c . c .$

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

Precise measurement of the branching fractions of $J / ψ \to Λ ˉ π^{+} Σ^{-} + c . c .$ and $J / ψ \to Λ ˉ π^{-} Σ^{+} + c . c .$