X. M. Xian

most citedStrong and weak

C P

tests in sequential decays of polarized

Σ^{0}

hyperons

20 citations · 50 across the 18 of their papers we have counts for

collaborators

17 papers

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

Improved Measurements of $D^{+} \to η e^{+} ν_{e}$ and $D^{+} \to η μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using 20.3 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we measure the branching fractions of $D^{+} \to η e^{+} ν_{e}$ …

hep-ex2025★ 2 cited

First measurement of $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ cross sections via $Σ^{+}$ -nucleus scattering at an electron-positron collider

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring, the reactions $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ …

hep-ex2025★ 1 cited

Observation of Transverse Polarization and Determination of Psionic Form Factors of the $Λ$ Hyperon at $s = 3.773$ GeV

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

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ collected by the BESIII detector at the BEPCII collider, we present a…

hep-ex2025★ 3 cited

Observation of Three Resonant Structures in the Cross Section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Using $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the Beijing Electron Positron Collider, the cross section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ is measured at 59…

hep-ex2025

Measurement of the branching fractions of doubly Cabibbo-suppressed $D$ decays

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

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

hep-ex2025

Observation of the decay $ψ (3686) \to Σ^{0} Σ ˉ^{0} ω$

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

Using a dataset of $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, we report the first observation of the decay $…

hep-ex2025

Search for a $1^{-+}$ molecular state via $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$

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

We search, for the first time, for an exotic molecular state with quantum numbers $J^{P C} = 1^{-+}$ , called $X$ , via the process $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$ us…

hep-ex2025★ 3 cited

First Measurement of the Decay Dynamics in the Semileptonic Transition of the $D^{+ (0)}$ into the Axial-vector Meson $K ˉ_{1} (1270)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using $e^{+} e^{-}$ data taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ , we report the first measu…

hep-ex2025★ 1 cited

Study of $η \to π^{+} π^{-} l^{+} l^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +639

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

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 $η_{c} (2 S) \to K^{+} K^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

By analyzing $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events accumulated with the BESIII detector, the decay $η_{c} (2 S) \to K^{+} K^{-} η$ is observed for the first time with a sig…

hep-ex2024★ 20 cited

Strong and weak $C P$ tests in sequential decays of polarized $Σ^{0}$ hyperons

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

The $J / ψ, ψ (3686) \to Σ^{0} Σ ˉ^{0}$ processes and subsequent decays are studied using the world's largest $J / ψ$ and $ψ (3686)$ data samples collected with the BESIII detector. The…

hep-ex2024★ 6 cited

Improved measurement of the semileptonic decay $D_{s}^{+} \to K^{0} e^{+} ν_{e}$

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

Analyzing $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of $7.33 fb^{- 1}$ collected at center-of-mass energies between 4.128 and 4.226~GeV with the BES…

hep-ex2024★ 3 cited

Study of $D_{s}^{+} \to f_{0} (980) ρ^{+}$ and $ϕ π^{+}$ decays through $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +655

We perform the first amplitude analysis of $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0}$ decays, based on data samples of electron-positron collisions recorded with the BESIII detector at center-of-mas…

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-ex2024★ 2 cited

Cross section measurement of $e^{+} e^{-} \to η ψ (2 S)$ and search for $e^{+} e^{-} \to η X ~ (3872)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

The energy-dependent cross section for $e^{+} e^{-} \to η ψ (2 S)$ is measured at eighteen center of mass energies from 4.288 GeV to 4.951 GeV using the BESIII detector. Using the same data…

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

Improved Measurements of D+→ηe+νe​ and D+→ημ+νμ​

First measurement of Σ+n→Λp and Σ+n→Σ0p cross sections via Σ+-nucleus scattering at an electron-positron collider

Observation of Transverse Polarization and Determination of Psionic Form Factors of the Λ Hyperon at s​=3.773 GeV

Observation of Three Resonant Structures in the Cross Section of e+e−→π+π−hc​

Measurement of the branching fractions of doubly Cabibbo-suppressed D decays

Observation of the decay ψ(3686)→Σ0Σˉ0ω

Search for a 1−+ molecular state via e+e−→γDs+​Ds1−​(2536)+c.c.

First Measurement of the Decay Dynamics in the Semileptonic Transition of the D+(0) into the Axial-vector Meson Kˉ1​(1270)

Study of η→π+π−l+l−

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

Observation of ηc​(2S)→K+K−η

Strong and weak CP tests in sequential decays of polarized Σ0 hyperons

Improved measurement of the semileptonic decay Ds+​→K0e+νe​

Study of Ds+​→f0​(980)ρ+ and ϕπ+ decays through Ds+​→π+π+π−π0

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

Cross section measurement of e+e−→ηψ(2S) and search for e+e−→ηX~(3872)

Improved Measurements of $D^{+} \to η e^{+} ν_{e}$ and $D^{+} \to η μ^{+} ν_{μ}$

First measurement of $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ cross sections via $Σ^{+}$ -nucleus scattering at an electron-positron collider

Observation of Transverse Polarization and Determination of Psionic Form Factors of the $Λ$ Hyperon at $s = 3.773$ GeV

Observation of Three Resonant Structures in the Cross Section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

Measurement of the branching fractions of doubly Cabibbo-suppressed $D$ decays

Observation of the decay $ψ (3686) \to Σ^{0} Σ ˉ^{0} ω$

Search for a $1^{-+}$ molecular state via $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$

First Measurement of the Decay Dynamics in the Semileptonic Transition of the $D^{+ (0)}$ into the Axial-vector Meson $K ˉ_{1} (1270)$

Study of $η \to π^{+} π^{-} l^{+} l^{-}$

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 $η_{c} (2 S) \to K^{+} K^{-} η$

Strong and weak $C P$ tests in sequential decays of polarized $Σ^{0}$ hyperons

Improved measurement of the semileptonic decay $D_{s}^{+} \to K^{0} e^{+} ν_{e}$

Study of $D_{s}^{+} \to f_{0} (980) ρ^{+}$ and $ϕ π^{+}$ decays through $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0}$

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

Cross section measurement of $e^{+} e^{-} \to η ψ (2 S)$ and search for $e^{+} e^{-} \to η X ~ (3872)$