A. Q. Zhang

activity

20222024

X (3872)

Production Process

e^{+} e^{-} \to ω X (3872)

15 citations · 32 across the 11 of their papers we have counts for

collaborators

11 papers

hep-ex2024★ 6 cited

Study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +656

We report an improved study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$ based on a sample of $7.9 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at…

hep-ex2024★ 6 cited

Measurement of Born cross sections of $e^{+} e^{-} \to Ξ^{0} Ξ ˉ^{0}$ and search for charmonium(-like) states at $s$ = 3.51-4.95 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

Using $e^{+} e^{-}$ collision data collected by the BESIII detector at BEPCII corresponding to an integrated luminosity of 30 $f b^{- 1}$ , we measure Born cross sections and effective…

hep-ex2024

Observation of $D \to a_{0} (980) π$ in the decays $D^{0} \to π^{+} π^{-} η$ and $D^{+} \to π^{+} π^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +640

We report the first amplitude analysis of the decays $D^{0} \to π^{+} π^{-} η$ and $D^{+} \to π^{+} π^{0} η$ using a data sample taken with the BESIII detector at the center-…

hep-ex2024

Search for $Δ S = 2$ nonleptonic hyperon decays $Ω^{-} \to Σ^{0} π^{-}$ and $Ω^{-} \to n K^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII detector at the center-of-mass energy of $s = 3.686$ GeV, we search for the first time for tw…

hep-ex2024★ 2 cited

Measurement of the Born cross section for $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies between 4.1 and 4.6\,GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

We measure the Born cross section for the reaction $e^{+} e^{-} \to η h_{c}$ from $s = 4.129$ to $4.600$ ~GeV using data sets collected by the BESIII detector running at…

hep-ex2024★ 1 cited

Search for $C$ -even states decaying to $D_{s}^{\pm} D_{s}^{*\mp}$ with masses between $4.08$ and $4.32 GeV / c^{2}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +647

Six $C$ -even states, denoted as $X$ , with quantum numbers $J^{P C} = 0^{-+}$ , $1^{\pm+}$ , or $2^{\pm+}$ , are searched for via the $e^{+} e^{-} \to γ D_{s}^{\pm} D_{s}^{*\mp}$ process using $(1…

hep-ex2024★ 2 cited

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Using the $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the BEPCII collider, at center-of-mass energies from the threshold to $4.95$ ~GeV, we present preci…

hep-ex2024

Measurement of the Electromagnetic Transition Form-factors in the decays $η^{'} \to π^{+} π^{-} l^{+} l^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

With a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events accumulated with the BESIII detector, we analyze the decays $η^{'} \to π^{+} π^{-} l^{+} l^{-} (l = e,$ $μ)$ via the process $J/ψ\righ…

hep-ex2024

First measurements of the absolute branching fraction of $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ and upper limit on $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +613

The absolute branching fraction of the decay $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ is measured for the first time to be $(50.7 \pm 5. 0_{stat.} \pm 4. 9_{syst.}) %$ with 36…

hep-ex2023

Observation of $χ_{c J} \to 3 (K^{+} K^{-})$

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

By analyzing $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decay processes $χ_{c J} \to 3 (K^{+} K^{-})$ ( $J = 0, 1, 2$ )…

hep-ex2022★ 15 cited

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

Using $4.7 f b^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies from 4.661 to 4.951 GeV collected by the BESIII detector at the BEPCII collider, we observe the $X(387…

Study of the semileptonic decay D0→Kˉ0π−e+νe​

Measurement of Born cross sections of e+e−→Ξ0Ξˉ0 and search for charmonium(-like) states at s​ = 3.51-4.95 GeV

Observation of D→a0​(980)π in the decays D0→π+π−η and D+→π+π0η

Search for ΔS=2 nonleptonic hyperon decays Ω−→Σ0π− and Ω−→nK−

Measurement of the Born cross section for e+e−→ηhc​ at center-of-mass energies between 4.1 and 4.6\,GeV

Search for C-even states decaying to Ds±​Ds∗∓​ with masses between 4.08 and 4.32 GeV/c2

Precise measurement of the e+e−→Ds+​Ds−​ cross sections at center-of-mass energies from threshold to 4.95 GeV

Measurement of the Electromagnetic Transition Form-factors in the decays η′→π+π−l+l−

First measurements of the absolute branching fraction of Λc​(2625)+→Λc+​π+π− and upper limit on Λc​(2595)+→Λc+​π+π−

Observation of χcJ​→3(K+K−)

Observation of a New X(3872) Production Process e+e−→ωX(3872)

Study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$

Measurement of Born cross sections of $e^{+} e^{-} \to Ξ^{0} Ξ ˉ^{0}$ and search for charmonium(-like) states at $s$ = 3.51-4.95 GeV

Observation of $D \to a_{0} (980) π$ in the decays $D^{0} \to π^{+} π^{-} η$ and $D^{+} \to π^{+} π^{0} η$

Search for $Δ S = 2$ nonleptonic hyperon decays $Ω^{-} \to Σ^{0} π^{-}$ and $Ω^{-} \to n K^{-}$

Measurement of the Born cross section for $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies between 4.1 and 4.6\,GeV

Search for $C$ -even states decaying to $D_{s}^{\pm} D_{s}^{*\mp}$ with masses between $4.08$ and $4.32 GeV / c^{2}$

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

Measurement of the Electromagnetic Transition Form-factors in the decays $η^{'} \to π^{+} π^{-} l^{+} l^{-}$

First measurements of the absolute branching fraction of $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ and upper limit on $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{+} π^{-}$

Observation of $χ_{c J} \to 3 (K^{+} K^{-})$

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$