Z. Meng

collaborators

22 papers

hep-ex2026

Measurement of Born cross sections of $e^{+} e^{-} \to p K^{-} Σ ˉ^{0}$ + c.c. at $s$ = 3.5-4.9 GeV and partial wave analysis at $s$ = 3.773 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +770

Using $e^{+} e^{-}$ collision data collected by the BESIII detector at BEPCII corresponding to a total integrated luminosity of 44.6 $f b^{- 1}$ , we present the first measurement of t…

hep-ex2026

Amplitude analysis of $ψ (3686)$ radiative decays into $π^{0} π^{0}$ system

BESIII Collaboration, M. Ablikim, M. N. Achasov +767

A model-independent amplitude analysis of the $π^{0} π^{0}$ system produced in radiative $ψ (3686)$ decays is presented. The analysis is based on the unique dataset of $(2712.4\pm14…

cs.NE2026

CoFlu-Brain: An fMRI Connectivity Foundation Model with Cofluctuation-Based Pretraining

Ziteng Sui, Junfeng Xia, Wenhao Ye +2

Functional magnetic resonance imaging (fMRI) commonly characterizes large-scale brain organization through functional connectivity (FC). However, an observed FC matrix is not a fix…

hep-ex2026

Observation of the electromagnetic Dalitz transition $J / ψ \to e^{+} e^{-} η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

Using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the $e^{+} e^{-}$ BEPCII collider, we present the first observation of the electromagnetic Dalitz d…

hep-ex2026

First observation of the electromagnetic Dalitz decay $ψ (3686) \to μ^{+} μ^{-} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +776

Utilizing $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected by the BESIII detector at the symmetric $e^{+} e^{-}$ collider BEPCII, we report the first observation of the elect…

hep-ex2026

Observation of $D^{+} \to K^{* 0} ρ^{+}$ and $D^{+} \to K^{*+} ρ^{0}$ in Doubly Cabibbo-Suppressed Decay $D^{+} \to K^{+} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

By analyzing an $e^{+} e^{-}$ collision data sample with an integrated luminosity of 20.3 fb $^{- 1}$ collected with the BESIII detector at the center-of-mass energy of 3.773 GeV, we perf…

hep-ex2026

Improved search for $ψ (3770) \to γ η_{c} (1 S, 2 S)$ radiative transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +779

Based on an integrated luminosity of $20.3 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-mass energy of $3.773 GeV$ with the BESIII detector ope…

hep-ex2026

Observation of $η (2600)$ and Threshold Enhancements in the $Λ Λ ˉ$ System

BESIII Collaboration, M. Ablikim, M. N. Achasov +716

Using $2712.4 \pm 14.3$ million $ψ (3686)$ events collected with the BESIII detector, the $Λ Λ ˉ$ system produced in $ψ (3686)$ radiative decays is studied. A model-independent part…

hep-ex2026

Observation of double $s s ˉ$ production in $e^{+} e^{-}$ collision at $s = 3.08 GeV$

BESIII Collaboration, M. Ablikim, M. N. Achasov +779

We report the observation of significant double- $s s ˉ$ production in the $e^{+} e^{-}$ continuum, based on the measurement of prompt $ϕ$ mesons produced in association with hadrons…

hep-ex2026

Evidence for the semileptonic decay $Λ_{c}^{+} \to p π^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +750

Based on $4.5 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider at center-of-mass energies between $4.600 GeV$ and…

hep-ex2026

First Observation and Dynamical Study of the $D_{s}^{+} \to f_{0} (980) μ^{+} ν_{μ}$ Decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

Using 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data recorded with the BESIII detector at center-of-mass energies from 4.128 to 4.226 GeV, we report the first observation and dynamic…

hep-ex2026

Search for charmonium(like) states $X$ in $e^{+} e^{-} \to γ X \to γ D^{* 0} D ˉ^{* 0}$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +765

A search is performed for a state $X$ decaying into $D^{* 0} D ˉ^{* 0}$ produced in the process $e^{+} e^{-} \to γ X$ using a data sample corresponding to an integrated lumino…

hep-ex2026

Study of $K_{S}^{0}$ - $K_{L}^{0}$ asymmetry in the decays $D^{0} \to K_{S}^{0} ω$ and $D^{0} \to K_{L}^{0} ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +760

Based on $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 7.93~ $f b^{- 1}$ collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the B…

hep-ex2026

Search for the baryonic decay $D_{s}^{*+} \to p n ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +768

The first search for the baryonic decay $D_{s}^{*+} \to p n ˉ$ is performed using $e^{+} e^{-}$ collision data taken at center-of-mass energies between 4.128 and 4.226 GeV, coll…

hep-ex2026

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Using $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected by the BESIII detector at the BEPCII collider, the $ψ (3686) \to γ p p ˉ π^{+} π^{-} π^{0}$ process is investigated. Evidence…

hep-ex2026

First measurements of the branching fractions of $J / ψ$ and $ψ (3686) \to Σ^{0} Σ ˉ^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ and $(2712 \pm 14) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the hadronic decays $J/ψ\to…

hep-ex2026

Search for the charged lepton flavour violating decay $η^{'} \to e μ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +765

Based on $(8998 \pm 40) \times 1 0^{6}$ $J / ψ$ events collected in $e^{+} e^{-}$ collisions at $s = 3.097$ GeV with the BESIII detector, we present a search for the charged lepton flavou…

hep-ex2026

Measurement of Born cross sections for $e^{+} e^{-} \to p p ˉ$ at $s = 3.510 - 4.946$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

We report a measurement of the Born cross section and the effective form factor for the $e^{+} e^{-} \to p p ˉ$ reaction at 47 center-of-mass energies between 3.510 and 4.946 GeV. The…

hep-ex2026

Observation of $ψ (3770) \to p p ˉ$ and Measurement of Electromagnetic Form Factors of Proton at $s = 3.510 - 4.946$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

We search for possible charmonium(-like) states decaying into the $p p ˉ$ final state by studying the Born cross sections of the $e^{+} e^{-} \to p p ˉ$ reaction, and we determine…

hep-ex2026

Search for the charged lepton flavor violating decay $η \to e^{\pm} μ^{\mp}$

M. Ablikim, M. N. Achasov, P. Adlarson +708

Based on $(10.087 \pm 0.044) \times 1 0^{9} J / ψ$ events collected at the center-of-mass energy $s = 3.097$ ~GeV with the BESIII detector, we search for the charged lepton flav…

hep-ex2026

Observation of an Altered $a_{0} (980)$ Line shape in $D^{+} \to π^{+} η η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +693

Using $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at $s = 3.773 GeV$ , we perform the first amplitude analysis of the decay $D^+\to…

hep-ex2025

Search for a dark baryon in the $Ξ^{-} \to π^{-} + invisible$ decay

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

A search for a dark baryon is performed for the first time in the two-body decay $Ξ^{-} \to π^{-} + invisible$ using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected at…

Measurement of Born cross sections of e+e−→pK−Σˉ0 + c.c. at s​ = 3.5-4.9 GeV and partial wave analysis at s​ = 3.773 GeV

Amplitude analysis of ψ(3686) radiative decays into π0π0 system

CoFlu-Brain: An fMRI Connectivity Foundation Model with Cofluctuation-Based Pretraining

Observation of the electromagnetic Dalitz transition J/ψ→e+e−ηc​

First observation of the electromagnetic Dalitz decay ψ(3686)→μ+μ−η′

Observation of D+→K∗0ρ+ and D+→K∗+ρ0 in Doubly Cabibbo-Suppressed Decay D+→K+π+π−π0

Improved search for ψ(3770)→γηc​(1S,2S) radiative transitions

Observation of η(2600) and Threshold Enhancements in the ΛΛˉ System

Observation of double ssˉ production in e+e− collision at s​=3.08 GeV

Evidence for the semileptonic decay Λc+​→pπ−e+νe​

First Observation and Dynamical Study of the Ds+​→f0​(980)μ+νμ​ Decay

Search for charmonium(like) states X in e+e−→γX→γD∗0Dˉ∗0 at BESIII

Study of KS0​-KL0​ asymmetry in the decays D0→KS0​ω and D0→KL0​ω

Search for the baryonic decay Ds∗+​→ pnˉ

Evidence for ηc​(2S)→ppˉ​π+π−π0 and observation of χcJ​→ppˉ​π+π−π0

First measurements of the branching fractions of J/ψ and ψ(3686)→Σ0Σˉ0η

Search for the charged lepton flavour violating decay η′→eμ

Measurement of Born cross sections for e+e−→ppˉ​ at s​=3.510−4.946 GeV

Observation of ψ(3770)→ppˉ​ and Measurement of Electromagnetic Form Factors of Proton at s​=3.510−4.946 GeV

Search for the charged lepton flavor violating decay η→e±μ∓

Observation of an Altered a0​(980) Line shape in D+→π+ηη

Search for a dark baryon in the Ξ−→π−+invisible decay

Measurement of Born cross sections of $e^{+} e^{-} \to p K^{-} Σ ˉ^{0}$ + c.c. at $s$ = 3.5-4.9 GeV and partial wave analysis at $s$ = 3.773 GeV

Amplitude analysis of $ψ (3686)$ radiative decays into $π^{0} π^{0}$ system

Observation of the electromagnetic Dalitz transition $J / ψ \to e^{+} e^{-} η_{c}$

First observation of the electromagnetic Dalitz decay $ψ (3686) \to μ^{+} μ^{-} η^{'}$

Observation of $D^{+} \to K^{* 0} ρ^{+}$ and $D^{+} \to K^{*+} ρ^{0}$ in Doubly Cabibbo-Suppressed Decay $D^{+} \to K^{+} π^{+} π^{-} π^{0}$

Improved search for $ψ (3770) \to γ η_{c} (1 S, 2 S)$ radiative transitions

Observation of $η (2600)$ and Threshold Enhancements in the $Λ Λ ˉ$ System

Observation of double $s s ˉ$ production in $e^{+} e^{-}$ collision at $s = 3.08 GeV$

Evidence for the semileptonic decay $Λ_{c}^{+} \to p π^{-} e^{+} ν_{e}$

First Observation and Dynamical Study of the $D_{s}^{+} \to f_{0} (980) μ^{+} ν_{μ}$ Decay

Search for charmonium(like) states $X$ in $e^{+} e^{-} \to γ X \to γ D^{* 0} D ˉ^{* 0}$ at BESIII

Study of $K_{S}^{0}$ - $K_{L}^{0}$ asymmetry in the decays $D^{0} \to K_{S}^{0} ω$ and $D^{0} \to K_{L}^{0} ω$

Search for the baryonic decay $D_{s}^{*+} \to p n ˉ$

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

First measurements of the branching fractions of $J / ψ$ and $ψ (3686) \to Σ^{0} Σ ˉ^{0} η$

Search for the charged lepton flavour violating decay $η^{'} \to e μ$

Measurement of Born cross sections for $e^{+} e^{-} \to p p ˉ$ at $s = 3.510 - 4.946$ GeV

Observation of $ψ (3770) \to p p ˉ$ and Measurement of Electromagnetic Form Factors of Proton at $s = 3.510 - 4.946$ GeV

Search for the charged lepton flavor violating decay $η \to e^{\pm} μ^{\mp}$

Observation of an Altered $a_{0} (980)$ Line shape in $D^{+} \to π^{+} η η$

Search for a dark baryon in the $Ξ^{-} \to π^{-} + invisible$ decay