S. J. Zhao

activity

20162025

χ_{c 1} \to η π^{+} π^{-}

decays

56 citations · 207 across the 21 of their papers we have counts for

collaborators

20 papers

hep-ex2025★ 1 cited

Evidence of transverse polarization of $Ξ^{0}$ hyperon in $ψ (3686) \to Ξ^{0} Ξ ˉ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

Using $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we report an evidence of $Ξ^{0}$ transverse polarization with a sign…

hep-ex2025

First Observation of $Λ$ Hyperon Transverse Polarization in $ψ (3686) \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +687

Based on $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we present the first observation of spin transverse polarization of…

hep-ex2025

Measurement of the space-like $π^{0}$ transition form factor

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

Based on $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at a center-of-mass energy of $3.773 GeV$ , the two-photon fusion process $e^+e^-\t…

hep-ex2025

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

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

The combined symmetry of charge conjugation and parity ( $C P$ ) is tested in the hadronic transition $ψ (3686) \to π^{+} π^{-} J / ψ$ , using a dataset of $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ(3686…

hep-ex2025★ 4 cited

Study of the electromagnetic Dalitz decay $J / ψ \to e^{+} e^{-} π^{0}$

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

We report the first measurement of the di-electron invariant mass dependent transition form factor in the electromagnetic Dalitz decay $J / ψ \to e^{+} e^{-} π^{0}$ using $(10087 \pm 44) \ti…

hep-ex2024★ 1 cited

Study of the decay ψ(3686) \to Σ^{0}\barΣ^{0}ϕ

BESIII Collaboration, M. Ablikim, M. N. Achasov +649

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decay $ψ (3686) \to Σ^{0} Σ ˉ^{0} ϕ$ is observed for the…

cs.AI2024★ 44 cited

OpenAI o1 System Card

OpenAI, :, Aaron Jaech +261

The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought. These advanced reasoning capabilities provide new avenues for improving the…

hep-ex2024

Measurement of the $e^{+} e^{-} \to K^{+} K^{-} ψ (2 S)$ Cross Section at Center-of-Mass Energies from 4.699 to 4.951 GeV and Search for $Z_{cs}^{\pm}$ in the $Z_{cs}^{\pm} \to K^{\pm} ψ (2 S)$ Decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +651

We perform the first investigation of the process $e^{+} e^{-} \to K^{+} K^{-} ψ (2 S)$ and report its Born cross sections over a range of center-of-mass energies from 4.699 to 4.951~GeV. Th…

hep-ex2024★ 4 cited

Measurement of the cross sections of $e^{+} e^{-} \to K^{-} Ξ ˉ^{+} Λ/ Σ^{0}$ at center-of-mass energies between 3.510 and 4.914 GeV

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

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider at center-of-mass energies between 3.510 and 4.914GeV, corresponding to an integrated lumino…

hep-ex2024★ 11 cited

Observation of $Λ_{c}^{+} \to Λ a_{0} (980)^{+}$ and Evidence for $Σ (1380)^{+}$ in $Λ_{c}^{+} \to Λ π^{+} η$

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

Based on $6.1 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-mass energies from 4.600 to 4.843 GeV with the BESIII detector at the BEPCII collider, a partia…

hep-ex2024★ 1 cited

Observation of the decay $h_{c} \to 3 (π^{+} π^{-}) π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +648

Based on $(2712.4 \pm 14.1) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we study the decays $h_{c} \to 3 (π^{+} π^{-}) π^{0}$ , $h_{c} \to 2 (π^{+} π^{-}) ω$ , $h_{c}\to2(π…

hep-ex2023★ 2 cited

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

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

Based on $(27.08 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the $ψ (3686) \to Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$ d…

hep-ex2023★ 7 cited

Updated measurements of the M1 transition $ψ (3686) \to γ η_{c} (2 S)$ with $η_{c} (2 S) \to K K ˉ π$

BESIII Collaboration, M. Ablikim, M. N. Achasov +620

Based on a data sample of $(27.08 \pm 0.14) \times 1 0^{8} ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the M1 transition $ψ (3686) \to γ η_{c} (2 S)$ with…

hep-ex2023★ 11 cited

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +599

Based on a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the decays of $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$ with $\overl…

hep-ex2023★ 8 cited

Search for the semi-muonic charmonium decay $J / ψ \to D^{-} μ^{+} ν_{μ} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +614

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ storage ring at the center-of-mass energy of $s = 3.097 GeV$ , we p…

hep-ex2023★ 9 cited

Determination of Spin-parity Quantum Numbers for the Narrow Structure Near the $p Λ ˉ$ Threshold in $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +593

A narrow structure in the $p Λ ˉ$ system near the mass threshold, named as $X (2085)$ , is observed in the process $e^{+} e^{-} \to p K^{-} Λ ˉ$ with a statistical significance greater th…

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★ 30 cited

Study of the Semileptonic Decay $Λ_{c}^{+} \to Λ e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +563

The measurement of the Cabibbo-favored semileptonic decay $Λ_{c}^{+} \to Λ e^{+} ν_{e}$ is reported using a $4.5 fb^{- 1}$ data sample of $e^{+} e^{-}$ annihilations collected at c…

hep-ex2019★ 6 cited

Measurement of the branching fraction of $J / ψ \to ω η^{'} π^{+} π^{-}$ and search for $J / ψ \to ω X (1835), X (1835) \to η^{'} π^{+} π^{-}$ decay

BESIII Collaboration

Using a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected by the BESIII detector at BEPCII during 2009 and 2012, we study the $J / ψ \to ω η^{'} π^{+} π^{-}$ hadronic process.…

hep-ex2016★ 56 cited

Amplitude analysis of the $χ_{c 1} \to η π^{+} π^{-}$ decays

M. Ablikim, M. N. Achasov, S. Ahmed +430

Using $448.0 \times 1 0^{6}$ ~ $ψ (3686)$ events collected with the BESIII detector, an amplitude analysis is performed for $ψ (3686) \to γ χ_{c 1}$ , $χ_{c 1} \to η π^{+} π^{-}$ decays. The most domin…

Evidence of transverse polarization of Ξ0 hyperon in ψ(3686)→Ξ0Ξˉ0

First Observation of Λ Hyperon Transverse Polarization in ψ(3686)→ΛΛˉ

Measurement of the space-like π0 transition form factor

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

Study of the electromagnetic Dalitz decay J/ψ→e+e−π0

Study of the decay ψ(3686) \to Σ^{0}\barΣ^{0}ϕ

OpenAI o1 System Card

Measurement of the e+e−→K+K−ψ(2S) Cross Section at Center-of-Mass Energies from 4.699 to 4.951 GeV and Search for Zcs±​ in the Zcs±​→K±ψ(2S) Decay

Measurement of the cross sections of e+e−→K−Ξˉ+Λ/Σ0 at center-of-mass energies between 3.510 and 4.914 GeV

Observation of Λc+​→Λa0​(980)+ and Evidence for Σ(1380)+ in Λc+​→Λπ+η

Observation of the decay hc​→3(π+π−)π0

Observation of the ψ(3686) decays into Σ+Σˉ−ω and Σ+Σˉ−ϕ

Updated measurements of the M1 transition ψ(3686)→γηc​(2S) with ηc​(2S)→KKˉπ

Study of excited Ξ states in ψ(3686)→K−ΛΞ++c.c.

Search for the semi-muonic charmonium decay J/ψ→D−μ+νμ​+c.c.

Determination of Spin-parity Quantum Numbers for the Narrow Structure Near the pΛˉ Threshold in e+e−→pK−Λˉ+c.c.

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

Study of the Semileptonic Decay Λc+​→Λe+νe​

Measurement of the branching fraction of J/ψ→ωη′π+π− and search for J/ψ→ωX(1835),X(1835)→η′π+π− decay

Amplitude analysis of the χc1​→ηπ+π− decays

Evidence of transverse polarization of $Ξ^{0}$ hyperon in $ψ (3686) \to Ξ^{0} Ξ ˉ^{0}$

First Observation of $Λ$ Hyperon Transverse Polarization in $ψ (3686) \to Λ Λ ˉ$

Measurement of the space-like $π^{0}$ transition form factor

Study of the electromagnetic Dalitz decay $J / ψ \to e^{+} e^{-} π^{0}$

Measurement of the $e^{+} e^{-} \to K^{+} K^{-} ψ (2 S)$ Cross Section at Center-of-Mass Energies from 4.699 to 4.951 GeV and Search for $Z_{cs}^{\pm}$ in the $Z_{cs}^{\pm} \to K^{\pm} ψ (2 S)$ Decay

Measurement of the cross sections of $e^{+} e^{-} \to K^{-} Ξ ˉ^{+} Λ/ Σ^{0}$ at center-of-mass energies between 3.510 and 4.914 GeV

Observation of $Λ_{c}^{+} \to Λ a_{0} (980)^{+}$ and Evidence for $Σ (1380)^{+}$ in $Λ_{c}^{+} \to Λ π^{+} η$

Observation of the decay $h_{c} \to 3 (π^{+} π^{-}) π^{0}$

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

Updated measurements of the M1 transition $ψ (3686) \to γ η_{c} (2 S)$ with $η_{c} (2 S) \to K K ˉ π$

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

Search for the semi-muonic charmonium decay $J / ψ \to D^{-} μ^{+} ν_{μ} + c . c .$

Determination of Spin-parity Quantum Numbers for the Narrow Structure Near the $p Λ ˉ$ Threshold in $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$

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

Study of the Semileptonic Decay $Λ_{c}^{+} \to Λ e^{+} ν_{e}$

Measurement of the branching fraction of $J / ψ \to ω η^{'} π^{+} π^{-}$ and search for $J / ψ \to ω X (1835), X (1835) \to η^{'} π^{+} π^{-}$ decay

Amplitude analysis of the $χ_{c 1} \to η π^{+} π^{-}$ decays