Weimin Song

activity

20142026

e^{+} e^{-} \to ω χ_{c 1, 2}

near

s

= 4.42 and 4.6 GeV

54 citations · 189 across the 19 of their papers we have counts for

collaborators

21 papers

hep-ph2026

Beam-polarization-enabled witness of four-dimensional entanglement in $Ω^{-} Ω ˉ^{+}$ pairs

Qiu-Yan Zhang, Peng-Cheng Hong, Wei-Min Song

We study the entanglement structure of $Ω^{-} Ω ˉ^{+}$ pairs produced in $e^{+} e^{-} \to ψ (3686)$ , focusing on whether the entanglement requires the full four-dimensional spin space of each…

hep-ex2026

Search for invisible decays of light mesons via $J / ψ \to V P$ $(V = ω / ϕ, P = η / η^{'})$ decays at STCF

Zhibo Tao, Yihang Xia, Vindhyawasini Prasad +2

We present a preliminary feasibility study of searches for invisible decays of light mesons via $J / ψ \to V P$ $(V = ω / ϕ, P = η / η^{'})$ using a traditional analytical method at the proposed S…

hep-ex2026

HepScript: A Dual-Use DSL for Human-AI Collaborative Data Analysis Workflows in High-Energy Physics

Junkun Jiao, Tong Liu, Ke Li +6

The escalating data scale in High-Energy Physics (HEP) fuels a growing aspiration for higher analytical efficiency. While Large Language Models (LLMs) offer a path toward automatio…

hep-ex2026

Dr.Sai: An agentic AI for real-world physics analysis at BESIII

Mingfeng He, Fayu Jiang, Junkun Jiao +16

High Energy Physics (HEP) experiments like BESIII produce petabyte-scale data. Extracting physics results requires complex workflows (simulation, reconstruction, statistical analys…

hep-ph2025

Bell nonlocality and entanglement in $χ_{c J}$ decays into baryon pair

PengCheng Hong, RongGang Ping, WeiMin Song

We present a systematic analysis of Bell nonlocality and entanglement in $χ_{c J}$ ( $J = 0, 1, 2$ ) decays into baryon pair( $B B ˉ$ ), with particular emphasis on their production via t…

hep-ph2024

Polarization study of the P-wave charmonium radiative decay into a light vector meson at $e^{+} e^{-}$ collider experiment

Yong-Qing Chen, Peng-Cheng Hong, Zhuo Chen +2

In this work, a formalism is presented for the helicity amplitude analysis of the decays $ψ (2 S) \to γ_{1} χ_{c J}, χ_{c J} \to γ_{2} V (V = ρ^{0}, ϕ, ω)$ ~(the subscript 1,2 is used to disti…

hep-ex2022

Study of Charmonium(-like) Spectroscopy and Decay at BESIII

Weimin Song

The recent results on Charmonium and Charmonium-like states at BESIII are reviewed, including the observation of $Z_{cs} (3985)$ state, the study of the new decay modes of $ψ_2(…

hep-ex2022★ 1 cited

Performance studies of jet flavor tagging and measurement of $R_{b} (R_{c})$ using ParticleNet at CEPC

Libo Liao, Shudong Wang, Weimin Song +2

Jet flavor tagging plays a crucial role in the measurement of relative partial decay widths of $Z$ boson, denoted as $R_{b}$ ( $R_{c}$ ), which is considered as a fundamental test of the…

physics.ins-det2021★ 15 cited

Time Resolution of the 4H-SiC PIN Detector

Tao Yang, Yuhang Tan, Qing Liu +12

We address the determination of the time resolution for the $100 μ m$ 4H-SiC PIN detectors fabricated by Nanjing University (NJU). The time response to $β$ particles from a…

hep-ex2021★ 4 cited

Classify the Higgs decays with the PFN and ParticleNet at electron-positron colliders

Gang LI, Libo Liao, Xinchou Lou +4

Various Higgs factories are proposed to study the Higgs boson precisely and systematically in a model-independent way. In this study, the Particle Flow Network and ParticleNet tech…

hep-ex2020★ 1 cited

An Iterative Weighting Method to Apply ISR Correction to $e^{+} e^{-}$ Hadronic Cross-section Measurements

Wenyu Sun, Tong Liu, Maoqiang Jing +3

Initial state radiation (ISR) plays an important role in $e^{+}$ $e^{-}$ collision experiments such as the BESIII. To correct the ISR effects in measurements of hadronic cross-sections…

hep-ph2019★ 9 cited

Higgs interference effects at the one-loop level in the 1-Higgs-Singlet extension of the Standard Model

Nikolas Kauer, Alexander Lind, Philipp Maierhöfer +1

A detailed study of Higgs interference effects at the one-loop level in the 1-Higgs-Singlet extension of the Standard Model (1HSM) is presented for the WW and tt decay modes with f…

hep-ex2018★ 14 cited

Observation of $D_{s}^{+} \to p n ˉ$ and confirmation of its large branching fraction

BESIII Collaboration, M. Ablikim, M. N. Achasov +455

The baryonic decay $D_{s}^{+} \to p n ˉ$ is observed, and the corresponding branching fraction is measured to be $(1.21 \pm 0.10 \pm 0.05) \times 1 0^{- 3}$ , where the first uncertai…

hep-ex2018★ 11 cited

Observation of the $W$ -Annihilation Decay $D_{s}^{+} \to ω π^{+}$ and Evidence for $D_{s}^{+} \to ω K^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +461

We report on the observation of the $W$ -annihilation decay $D_{s}^{+} \to ω π^{+}$ and the evidence for $D_{s}^{+} \to ω K^{+}$ with a data sample corresponding to an…

hep-ex2018★ 3 cited

Observation of $D^{0 (+)} \to K_{S}^{0} π^{0 (+)} η^{'}$ and improved measurement of $D^{0} \to K^{-} π^{+} η^{'}$

M. Ablikim, M. N. Achasov, S. Ahmed +459

By analyzing $2.93 f b^{- 1}$ of data taken at a center-of-mass energy of 3.773~GeV with the BESIII detector, we measure the branching fractions of the Cabibbo-favored hadronic…

hep-ex2018★ 3 cited

Search for the rare decay of $ψ (3686) \to Λ_{c}^{+} p e^{+} e^{-} + c . c .$ at BESIII

BESIII collaboration

Based on a data sample of $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ decays collected with the BESIII experiment, a search for the flavor changing neutral current transition $ψ(3686)\righta…

hep-ex2017★ 6 cited

Branching fraction measurement of $J / ψ \to K_{S} K_{L}$ and search for $J / ψ \to K_{S} K_{S}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +441

Using a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the BEPCII collider, we study the decays of $J / ψ \to K_{S} K_{L}$ and $K_{S} K_{S}$ . The br…

hep-ex2016★ 11 cited

Search for the weak decay $η^{'} \to K^{\pm} π^{\mp}$ and precise measurement of the branching fraction $B (J / ψ \to ϕ η^{'})$

BESIII Collaboration, M. Ablikim, M. N. Achasov +414

We present the first search for the rare decay of $η^{'}$ into $K^{\pm} π^{\mp}$ in $J / ψ \to ϕ η^{'}$ , using a sample of $1.3 \times 1 0^{9}$ $J / ψ$ events collected with the BESII…

hep-ex2016★ 47 cited

Study of $ψ$ decays to the $Ξ^{-} Ξ ˉ^{+}$ and $Σ (1385)^{\mp} Σ ˉ (1385)^{\pm}$ final states

BESIII Collaboration, M. Ablikim, M. N. Achasov +407

We study the decays of the charmonium resonances $J / ψ$ and $ψ (3686)$ to the final states $Ξ^{-} Ξ ˉ^{+}$ , $Σ (1385)^{\mp} Σ ˉ (1385)^{\pm}$ based on a single baryon tag method usin…

hep-ex2015★ 54 cited

Observation of $e^{+} e^{-} \to ω χ_{c 1, 2}$ near $s$ = 4.42 and 4.6 GeV

M. Ablikim, M. N. Achasov, X. C. Ai +410

Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies $s >$ 4.4 GeV, the processes $e^+e^- \rightarrow ωχ_…

hep-ex2014★ 10 cited

Search for the rare decays $J / ψ \to D_{s}^{-} ρ^{+}$ and $J / ψ \to D^{0} K^{* 0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +376

A search for the rare decays of $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D^{0} K^{* 0} + c . c .$ is performed with a data sample of 225.3 million $J / ψ$ events co…

Beam-polarization-enabled witness of four-dimensional entanglement in Ω−Ωˉ+ pairs

Search for invisible decays of light mesons via J/ψ→VP (V=ω/ϕ,P=η/η′) decays at STCF

HepScript: A Dual-Use DSL for Human-AI Collaborative Data Analysis Workflows in High-Energy Physics

Dr.Sai: An agentic AI for real-world physics analysis at BESIII

Bell nonlocality and entanglement in χcJ​ decays into baryon pair

Polarization study of the P-wave charmonium radiative decay into a light vector meson at e+e− collider experiment

Study of Charmonium(-like) Spectroscopy and Decay at BESIII

Performance studies of jet flavor tagging and measurement of Rb​(Rc​) using ParticleNet at CEPC

Time Resolution of the 4H-SiC PIN Detector

Classify the Higgs decays with the PFN and ParticleNet at electron-positron colliders

An Iterative Weighting Method to Apply ISR Correction to e+e− Hadronic Cross-section Measurements

Higgs interference effects at the one-loop level in the 1-Higgs-Singlet extension of the Standard Model

Observation of Ds+​→pnˉ and confirmation of its large branching fraction

Observation of the W-Annihilation Decay Ds+​→ωπ+ and Evidence for Ds+​→ωK+

Observation of D0(+)→KS0​π0(+)η′ and improved measurement of D0→K−π+η′

Search for the rare decay of ψ(3686)→Λc+​p​e+e−+c.c. at BESIII

Branching fraction measurement of J/ψ→KS​KL​ and search for J/ψ→KS​KS​

Search for the weak decay η′→K±π∓ and precise measurement of the branching fraction B(J/ψ→ϕη′)

Study of ψ decays to the Ξ−Ξˉ+ and Σ(1385)∓Σˉ(1385)± final states

Observation of e+e−→ωχc1,2​ near s​ = 4.42 and 4.6 GeV

Search for the rare decays J/ψ→Ds−​ρ+ and J/ψ→D0K∗0

Beam-polarization-enabled witness of four-dimensional entanglement in $Ω^{-} Ω ˉ^{+}$ pairs

Search for invisible decays of light mesons via $J / ψ \to V P$ $(V = ω / ϕ, P = η / η^{'})$ decays at STCF

Bell nonlocality and entanglement in $χ_{c J}$ decays into baryon pair

Polarization study of the P-wave charmonium radiative decay into a light vector meson at $e^{+} e^{-}$ collider experiment

Performance studies of jet flavor tagging and measurement of $R_{b} (R_{c})$ using ParticleNet at CEPC

An Iterative Weighting Method to Apply ISR Correction to $e^{+} e^{-}$ Hadronic Cross-section Measurements

Observation of $D_{s}^{+} \to p n ˉ$ and confirmation of its large branching fraction

Observation of the $W$ -Annihilation Decay $D_{s}^{+} \to ω π^{+}$ and Evidence for $D_{s}^{+} \to ω K^{+}$

Observation of $D^{0 (+)} \to K_{S}^{0} π^{0 (+)} η^{'}$ and improved measurement of $D^{0} \to K^{-} π^{+} η^{'}$

Search for the rare decay of $ψ (3686) \to Λ_{c}^{+} p e^{+} e^{-} + c . c .$ at BESIII

Branching fraction measurement of $J / ψ \to K_{S} K_{L}$ and search for $J / ψ \to K_{S} K_{S}$

Search for the weak decay $η^{'} \to K^{\pm} π^{\mp}$ and precise measurement of the branching fraction $B (J / ψ \to ϕ η^{'})$

Study of $ψ$ decays to the $Ξ^{-} Ξ ˉ^{+}$ and $Σ (1385)^{\mp} Σ ˉ (1385)^{\pm}$ final states

Observation of $e^{+} e^{-} \to ω χ_{c 1, 2}$ near $s$ = 4.42 and 4.6 GeV

Search for the rare decays $J / ψ \to D_{s}^{-} ρ^{+}$ and $J / ψ \to D^{0} K^{* 0}$