W. Yan

activity

20192024

most citedSTCF Conceptual Design Report: Volume 1 -- Physics & Detector

219 citations · 928 across the 57 of their papers we have counts for

collaborators

Showing 2023 · hep-exShow all

27 papers · 2 filters

hep-ex2023★ 7 cited

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Evidence for the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p π^{0}$ is reported for the first time with a statistical significance of $3.7 σ$ based on 6.0 $fb^{- 1}$ of $e^+e^-…

hep-ex2023

Search for baryon and lepton number violating decays $D \to p ℓ$

Belle Collaboration, S. Maity, R. Garg +159

We search for the baryon and lepton number violating charm decays, $D \to p ℓ$ , where $D$ is either a $D^{0}$ or a $D^{0}$ and $ℓ$ is a muon or an electron, usi…

hep-ex2023★ 5 cited

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Based on a data set of $(27.12 \pm 0.10) \times 1 0^{8}$ $ψ (3686)$ events collected at the BESIII experiment, the absolute branching fractions of the three dominant $Ω^{-}$ decays are meas…

hep-ex2023★ 14 cited

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 12.9 $f b^{- 1}$ collected with the BESIII detector at the BEPCII collider, the exclusive Born cross s…

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★ 2 cited

Search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ via $J / ψ \to ϕ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +596

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ …

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★ 43 cited

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

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

We study the process $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ at twelve center-of-mass energies from $4.6119$ to $4.9509 GeV$ using data samples collected by the BESIII detecto…

hep-ex2023★ 14 cited

Observation of $D_{s}^{+} \to η^{'} μ^{+} ν_{μ}$ , Precision Test of Lepton Flavor Universality with $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ , and First Measurements of $D_{s}^{+} \to η^{(')} μ^{+} ν_{μ}$ Decay Dynamics

BESIII Collaboration, M. Ablikim, M. N. Achasov +596

By analyzing 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we report the observation of th…

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★ 27 cited

First study of reaction $Ξ^{0} n \to Ξ^{-} p$ using $Ξ^{0}$ -nucleus scattering at an electron-positron collider

BESIII Collaboration, M. Ablikim, M. N. Achasov +604

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring, the process $Ξ^{0} n \to Ξ^{-} p$ is studied, where the $Ξ^{0}$ …

hep-ex2023★ 3 cited

Search for baryon and lepton number violating decays of $Ξ^{0}$ hyperons

BESIII Collaboration, M. Ablikim, M. N. Achasov +602

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we report the first search for the baryon and lepton number violating d…

hep-ex2023★ 4 cited

Determination of the $C P$ -even fraction of $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

Quantum-correlated $D D ˉ$ pairs collected by the BESIII experiment at the $ψ (3770)$ resonance, corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ , are used to study th…

hep-ex2023

Production of doubly-charged $Δ$ baryon in $e^{+} e^{-}$ annihilation at energies from 2.3094 to 2.6464 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +591

The processes $e^{+} e^{-} \to Δ^{++} Δ ˉ^{--}$ and $e^{+} e^{-} \to Δ^{++} p ˉ π^{-} + c . c .$ are studied for the first time with $179 pb^{- 1}$ of $e^{+} e^{-}$ annihilation…

hep-ex2023★ 7 cited

Search for $Λ ˉ$ - $Λ$ oscillations in the decay $J / ψ \to p K^{-} Λ ˉ + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +454

We report the first search for $Λ ˉ$ -- $Λ$ oscillations in the decay $J / ψ \to p K^{-} Λ ˉ + c . c .$ by analyzing $1.31 \times 1 0^{9}$ $J / ψ$ events accumulated with the BESIII detector at…

hep-ex2023★ 17 cited

Test of $C P$ Symmetry in Hyperon to Neutron Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The quantum entangled $J / ψ \to Σ^{+} Σ ˉ^{-}$ pairs from $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events taken by the BESIII detector are used to study the non-leptonic two-body weak…

hep-ex2023★ 1 cited

Study of the $e^{+} e^{-} \to π^{+} π^{-} ω$ process at center-of-mass energies between 4.0 and 4.6 GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +566

Using $15.6$ $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at twenty-four center-of-mass energies from $4.0$ to $4.6$ GeV with the BESIII detector, the helicity amplitudes of…

hep-ex2023

Measurement of the $e^{+} e^{-} \to Λ Λ ˉ$ cross section from threshold to 3.00 GeV using events with initial-state radiation

BESIII Collaboration, M. Ablikim, M. N. Achasov +600

Using initial-state radiation events from a total integrated luminosity of 11.957 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 3.773 and 4.258…

hep-ex2023★ 219 cited

STCF Conceptual Design Report: Volume 1 -- Physics & Detector

M. Achasov, X. C. Ai, R. Aliberti +424

The Super $τ$ -Charm facility (STCF) is an electron-positron collider proposed by the Chinese particle physics community. It is designed to operate in a center-of-mass energy range…

hep-ex2023★ 5 cited

Measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to μ^{+} ν_{μ} ν_{τ} ˉ$

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

Utilizing $7.33 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken at the center-of-mass energies of 4.128, 4.157, 4.178, 4.189, 4.199, 4.209, 4.219, and 4.226 GeV with the BESIII…

hep-ex2023

Improved measurement of the branching fractions of the inclusive decays $D^{+} \to K_{S}^{0} X$ and $D^{0} \to K_{S}^{0} X$

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

By analyzing 2.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, the branching fractions of the inclusive decays $D^…

hep-ex2023★ 1 cited

Observation of the decay $D_{s}^{+} \to ω π^{+} η$

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

Using 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies between 4.128 and 4.226~GeV, we observe for the first time the decay $D^…

hep-ex2023★ 6 cited

Observation of the decay $χ_{c J} \to Ω^{-} Ω ˉ^{+}$

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

Using an $e^{+} e^{-}$ collision data sample of $(27.08 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII detector, we report the first observation of $χ_{cJ} \to Ω^- \b…

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…

Evidence of the Singly Cabibbo Suppressed decay Λc+​→pπ0

Search for baryon and lepton number violating decays D→pℓ

Measurements of the absolute branching fractions of Ω− decays and test of the ΔI=1/2 rule

Measurement of the cross section of e+e−→Ξ−Ξˉ+ at center-of-mass energies between 3.510 and 4.843 GeV

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

Search for the lepton number violation decay ϕ→π+π+e−e− via J/ψ→ϕη

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

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

Observation of Ds+​→η′μ+νμ​, Precision Test of Lepton Flavor Universality with Ds+​→η(′)ℓ+νℓ​, and First Measurements of Ds+​→η(′)μ+νμ​ Decay Dynamics

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

First study of reaction Ξ0n→Ξ−p using Ξ0-nucleus scattering at an electron-positron collider

Search for baryon and lepton number violating decays of Ξ0 hyperons

Determination of the CP-even fraction of D0→KS0​π+π−π0

Production of doubly-charged Δ baryon in e+e− annihilation at energies from 2.3094 to 2.6464 GeV

Search for Λˉ-Λ oscillations in the decay J/ψ→pK−Λˉ+c.c.

Test of CP Symmetry in Hyperon to Neutron Decays

Study of the e+e−→π+π−ω process at center-of-mass energies between 4.0 and 4.6 GeV

Measurement of the e+e−→ΛΛˉ cross section from threshold to 3.00 GeV using events with initial-state radiation

STCF Conceptual Design Report: Volume 1 -- Physics & Detector

Measurement of the branching fraction of Ds+​→τ+ντ​ via τ+→μ+νμ​ντ​ˉ​

Improved measurement of the branching fractions of the inclusive decays D+→KS0​X and D0→KS0​X

Observation of the decay Ds+​→ωπ+η

Observation of the decay χcJ​→Ω−Ωˉ+

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

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

Search for baryon and lepton number violating decays $D \to p ℓ$

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

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

Search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ via $J / ψ \to ϕ η$

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

Observation of $D_{s}^{+} \to η^{'} μ^{+} ν_{μ}$ , Precision Test of Lepton Flavor Universality with $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ , and First Measurements of $D_{s}^{+} \to η^{(')} μ^{+} ν_{μ}$ Decay Dynamics

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

First study of reaction $Ξ^{0} n \to Ξ^{-} p$ using $Ξ^{0}$ -nucleus scattering at an electron-positron collider

Search for baryon and lepton number violating decays of $Ξ^{0}$ hyperons

Determination of the $C P$ -even fraction of $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$

Production of doubly-charged $Δ$ baryon in $e^{+} e^{-}$ annihilation at energies from 2.3094 to 2.6464 GeV

Search for $Λ ˉ$ - $Λ$ oscillations in the decay $J / ψ \to p K^{-} Λ ˉ + c . c .$

Test of $C P$ Symmetry in Hyperon to Neutron Decays

Study of the $e^{+} e^{-} \to π^{+} π^{-} ω$ process at center-of-mass energies between 4.0 and 4.6 GeV

Measurement of the $e^{+} e^{-} \to Λ Λ ˉ$ cross section from threshold to 3.00 GeV using events with initial-state radiation

Measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to μ^{+} ν_{μ} ν_{τ} ˉ$

Improved measurement of the branching fractions of the inclusive decays $D^{+} \to K_{S}^{0} X$ and $D^{0} \to K_{S}^{0} X$

Observation of the decay $D_{s}^{+} \to ω π^{+} η$

Observation of the decay $χ_{c J} \to Ω^{-} Ω ˉ^{+}$

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