Y. P. Guo

activity

20122024

J/ ψ

events at BESIII

121 citations · 1.3k across the 55 of their papers we have counts for

collaborators

Showing 2022Show all

13 papers · 1 filter

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★ 30 cited

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

M. Ablikim, M. N. Achasov, P. Adlarson +563

Cross sections for the process $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$ at center-of-mass energies from $4.128$ to $4.950$ GeV are measured using data samples with a total integra…

hep-ex2022★ 2 cited

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

Using a data sample corresponding to an integrated luminosity of 11.3 $f b^{- 1}$ collected at center-of-mass energies from $4.23$ to $4.70$ ~GeV with the BESIII detector, we obse…

hep-ex2022★ 17 cited

Search for a massless dark photon in $Λ_{c}^{+} \to p γ^{'}$ decay

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

A search for a massless dark photon $γ^{'}$ is conducted using 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.600 and 4.699 $…

hep-ex2022★ 8 cited

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$

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

The singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$ is measured using 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.60…

hep-ex2022★ 11 cited

Measurement of $ψ (3686) \to Λ Λ ˉ η$ and $ψ (3686) \to Λ Λ ˉ π^{0}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

Based on a sample of $448.1 \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector, a study of $ψ (3686) \to Λ Λ ˉ π^{0}$ and $ψ (3686) \to Λ Λ ˉ η$ is performed. Evidence of the is…

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

Observation of $χ_{c J} \to Λ Λ ˉ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

By analyzing $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays of $χ_{c J} \to Λ Λ ˉ η$ ( $J = 0$ , 1 and 2) ar…

hep-ex2022★ 26 cited

Evidence for a neutral near-threshold structure in the $K_{S}^{0}$ recoil-mass spectra in $e^{+} e^{-} \to K_{S}^{0} D_{s}^{+} D^{-}$ and $e^{+} e^{-} \to K_{S}^{0} D_{s}^{+} D^{-}$

M. Ablikim, M. N. Achasov, P. Adlarson +558

We study the processes $e^{+} e^{-} \to K_{S}^{0} D_{s}^{+} D^{*-}$ and $e^{+} e^{-} \to K_{S}^{0} D_{s}^{*+} D^{-}$ , as well as their charge conjugated processes, at five center…

hep-ex2022★ 6 cited

Observation of the double Dalitz decay $η^{'} \to e^{+} e^{-} e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at BEPCII, the double Dalitz decay $η^{'} \to e^{+} e^{-} e^{+} e^{-}$ is observed for the first time via the $…

hep-ex2022★ 84 cited

Observation of an isoscalar resonance with exotic $J^{P C} = 1^{-+}$ quantum numbers in $J / ψ \to γ η η^{'}$

M. Ablikim, M. N. Achasov, P. Adlarson +523

Using a sample of (10.09 $\pm$ 0.04) $\times$ 10 $^{9}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay $J/ψ\r…

hep-ex2022★ 27 cited

Observation of a state $X (2600)$ in the $π^{+} π^{-} η^{'}$ system in the process $J / ψ \to γ π^{+} π^{-} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +556

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the process $J / ψ \to γ π^{+} π^{-} η^{'}$ is studied using two dominant decay channels of the $…

Observation of e+e−→pppˉ​nˉπ−+c.c.

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

Observation of the Y(4230) and evidence for a new vector charmonium-like state Y(4710) in e+e−→KS0​KS0​J/ψ

Observation of e+e−→π0π0ψ2​(3823)

Search for a massless dark photon in Λc+​→pγ′ decay

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay Λc+​→pη′

Measurement of ψ(3686)→ΛΛˉη and ψ(3686)→ΛΛˉπ0 decays

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

Observation of χcJ​→ΛΛˉη

Evidence for a neutral near-threshold structure in the KS0​ recoil-mass spectra in e+e−→KS0​Ds+​D∗− and e+e−→KS0​Ds∗+​D−

Observation of the double Dalitz decay η′→e+e−e+e−

Observation of an isoscalar resonance with exotic JPC=1−+ quantum numbers in J/ψ→γηη′

Observation of a state X(2600) in the π+π−η′ system in the process J/ψ→γπ+π−η′

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

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

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

Search for a massless dark photon in $Λ_{c}^{+} \to p γ^{'}$ decay

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$

Measurement of $ψ (3686) \to Λ Λ ˉ η$ and $ψ (3686) \to Λ Λ ˉ π^{0}$ decays

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

Observation of $χ_{c J} \to Λ Λ ˉ η$

Evidence for a neutral near-threshold structure in the $K_{S}^{0}$ recoil-mass spectra in $e^{+} e^{-} \to K_{S}^{0} D_{s}^{+} D^{-}$ and $e^{+} e^{-} \to K_{S}^{0} D_{s}^{+} D^{-}$

Observation of the double Dalitz decay $η^{'} \to e^{+} e^{-} e^{+} e^{-}$

Observation of an isoscalar resonance with exotic $J^{P C} = 1^{-+}$ quantum numbers in $J / ψ \to γ η η^{'}$

Observation of a state $X (2600)$ in the $π^{+} π^{-} η^{'}$ system in the process $J / ψ \to γ π^{+} π^{-} η^{'}$