A. Q. Zhang

activity

20212025

C P

symmetry in the entangled

Ξ^{0} - Ξ ˉ^{0}

Pairs

45 citations · 156 across the 41 of their papers we have counts for

collaborators

Showing 2023Show all

9 papers · 1 filter

hep-ex2023

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

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

A search has been performed for the semileptonic decays $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$ , using…

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

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

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $ψ (3770) \to ϕ η^{'}$

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

The cross sections of the $e^{+} e^{-} \to ϕ η^{'}$ process at center-of-mass energies from 3.508 to 4.951 GeV are measured with high precision using 26.1 fb $^{- 1}$ data collected with th…

hep-ex2023★ 45 cited

Tests of $C P$ symmetry in the entangled $Ξ^{0} - Ξ ˉ^{0}$ Pairs

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

The $J / ψ \to Ξ^{0} Ξ ˉ^{0}$ process and subsequent decays are investigated using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected at the BESIII experiment. The decay parameters of…

hep-ex2023

Measurement of the Branching Fraction for the Decay $ψ (3686) \to ϕ K_{S}^{0} K_{S}^{0}$

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

Based on $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decay $ψ (3686) \to ϕ K_{S}^{0} K_{S}^{0}$ is…

hep-ex2023★ 18 cited

First simultaneous measurement of $Ξ^{0}$ and $Ξ ˉ^{0}$ asymmetry parameters in $ψ (3686)$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +595

The $Ξ^{0}$ asymmetry parameters are measured using entangled quantum $Ξ^{0}$ - $Ξ ˉ^{0}$ pairs from a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected 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…

Search for D0→KS0​K−e+νe​, D+→KS0​KS0​e+νe​, and D+→K+K−e+νe​

Improved measurement of the branching fractions for J/ψ→γπ0, γη and γη′

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)

Measurement of e+e−→ϕη′ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay ψ(3770)→ϕη′

Tests of CP symmetry in the entangled Ξ0−Ξˉ0 Pairs

Measurement of the Branching Fraction for the Decay ψ(3686)→ϕKS0​KS0​

First simultaneous measurement of Ξ0 and Ξˉ0 asymmetry parameters in ψ(3686) decay

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

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

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 $η (1405) \to π^{0} f_{0} (980)$

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $ψ (3770) \to ϕ η^{'}$

Tests of $C P$ symmetry in the entangled $Ξ^{0} - Ξ ˉ^{0}$ Pairs

Measurement of the Branching Fraction for the Decay $ψ (3686) \to ϕ K_{S}^{0} K_{S}^{0}$

First simultaneous measurement of $Ξ^{0}$ and $Ξ ˉ^{0}$ asymmetry parameters in $ψ (3686)$ decay

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