X. R. Zhou

activity

20112026

C P

-averaged observables in the

B^{0} \to K^{* 0} μ^{+} μ^{-}

decay

297 citations · 2.9k across the 149 of their papers we have counts for

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24 papers · 1 filter

hep-ex2025

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we study the semileptonic decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ for the first time at an electron-…

hep-ex2025

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} π^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using a 10.9 fb $^{- 1}$ data sample collected by the BESIII detector at center-of-mass energies from 4.16 to 4.34 GeV, we search for the charmless decays $X(3872) \to K_{S}^{0}K^{\p…

hep-ex2025

Search for the lepton number violating process $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +691

We present a search for the lepton number violating decay $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$ with $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the BEPCII…

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★ 2 cited

Search for a hypothetical gauge boson and dark photons in charmonium transitions

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

We report a direct search for a new gauge boson, $X$ , with a mass of $17 MeV / c^{2}$ , which could explain the anomalous excess of $e^{+} e^{-}$ pairs observed in the $^{8} Be$ n…

hep-ex2025★ 1 cited

Study of the Magnetic Dipole Transition of $J / ψ \to γ η_{c}$ via $η_{c} \to p p ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +692

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 amplitude analysis of $J / ψ \to γ p p ˉ$ wit…

hep-ex2025

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

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

Based on a sample of $(10.087 \pm 0.044) \times 1 0^{9} J / ψ$ events collected by the BESIII detector at the BEPCII collider, we perform the first search for the lepton number violati…

hep-ex2025

First determination of the full spin density matrix in $ψ (3686) \to Λ Λ ˉ$

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

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we present the first complete determination of the spin density matrix in $ψ (3686) \to Λ Λ ˉ$ .…

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★ 1 cited

Observation of a threshold enhancement in the $π^{+} π^{-}$ spectrum in $ψ (3686) \to π^{+} π^{-} J / ψ$ decays

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

Based on the $(2712.4 \pm 14.4) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we present a high-precision study of the $π^{+} π^{-}$ mass spectrum in $ψ(3686)\rightar…

hep-ex2025

Observation of $ψ (3686) \to γ η (1405)$ via $η (1405) \to f_{0} (980) π^{0}$

M. Ablikim, M. N. Achasov, P. Adlarson +694

The decay $ψ (3686) \to γ π^{+} π^{-} π^{0}$ is studied using a sample of $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector. The decay $η (1405) \to π^{+} π^{-} π^{0}$ is ob…

hep-ex2025

Helicity amplitude and branching fraction measurement of $χ_{c J} \to Λ Λ ˉ$

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

Utilizing $2712.4 \pm 14.3$ million $ψ (3686)$ events accumulated by the BESIII experiment, we perform a partial wave analysis of $ψ (3686) \to γ χ_{c J} \to γ Λ Λ ˉ$ decay…

hep-ex2025

Search for CP violation in $e^{+} e^{-} \to ψ (3770) \to D^{0} D ˉ^{0}$ via $D - > K_{S}^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +701

Utilizing data sample of electron-positron collisions recorded with the BESIII detector at the center of mass energy of 3.773 GeV, corresponding to an integrated luminosity of 20.2…

hep-ex2025★ 2 cited

Measurement of the Born cross section for $e^{+} e^{-} \to p K^{-} K^{-} Ξ ˉ^{+}$ at $s =$ 3.5-4.9 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +695

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 20 $fb^{- 1}$ collected with the BESIII detector at the BEPCII collider, we present a measurem…

hep-ex2025

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} π^{0}$ , $D^{+} \to K^{+} η$ and $D^{+} \to K^{+} η^{'}$

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

Using $20.3 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of 3.773\,GeV with the BESIII detector, we present the measurements of the absolute branch…

hep-ex2025★ 1 cited

Search for the charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D_{s}^{-} π^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +700

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events recorded with the BESIII detector, we search for the rare charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J/ψ\to D_{s}^{-}π…

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…

hep-ex2025

Measurement of branching fractions of $Λ_{c}^{+}$ decays to $Σ^{+} η$ and $Σ^{+} η^{'}$

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

By analyzing $e^{+} e^{-}$ collision data taken at center-of-mass energies $s$ between 4.600 and 4.699 GeV with the BESIII detector at the BEPCII collider, corresponding to an in…

hep-ex2025

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

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

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, the decays $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$ are obs…

hep-ex2025★ 1 cited

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} μ^{+} ν_{μ}$ and test of lepton universality with $D^{0} \to K^{} (892)^{-} ℓ^{+} ν_{ℓ}$ decays

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

We report a study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} μ^{+} ν_{μ}$ based on a sample of $7.9 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-…

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★ 6 cited

Stringent test of $C P$ symmetry in $Σ^{+}$ hyperon decays

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

The non-leptonic two-body weak decays $Σ^{+} \to p π^{0}$ and $Σ ˉ^{-} \to p ˉ π^{0}$ are investigated, utilizing $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events and $(2.7124\p…

hep-ex2025

Amplitude analysis of $ψ (3686) \to γ K_{S}^{0} K_{S}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +696

Using $(2712 \pm 14) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we perform the first amplitude analysis of the radiative decay $ψ (3686) \to γ K_{S}^{0} K_{S}^{0}$ within t…

hep-ex2025

Cross section measurement of $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ at center-of-mass energies between $3.808$ and $4.951 GeV$

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

Using data samples collected by the \mbox{BESIII} detector located at the Beijing Electron Positron Collider, the cross sections of the process $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ are me…

Measurements of the Absolute Branching Fraction of the Semileptonic Decay Ξ−→Λe−νˉe​ and the Axial Charge of the Ξ−

Search for the decays X(3872)→KS0​K±π∓ and K∗(892)Kˉ at BESIII

Search for the lepton number violating process Ξ−→Σ+e−e−+c.c.

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

Search for a hypothetical gauge boson and dark photons in charmonium transitions

Study of the Magnetic Dipole Transition of J/ψ→γηc​ via ηc​→ppˉ​

Search for the lepton number violating decay η→π+π+e−e−+c.c. via J/ψ→ϕη

First determination of the full spin density matrix in ψ(3686)→ΛΛˉ

Measurement of the space-like π0 transition form factor

Observation of a threshold enhancement in the π+π− spectrum in ψ(3686)→π+π−J/ψ decays

Observation of ψ(3686)→γη(1405) via η(1405)→f0​(980)π0

Helicity amplitude and branching fraction measurement of χcJ​→ΛΛˉ

Search for CP violation in e+e−→ψ(3770)→D0Dˉ0 via D−>KS0​π0

Measurement of the Born cross section for e+e−→pK−K−Ξˉ+ at s​= 3.5-4.9 GeV

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays D+→K+π0, D+→K+η and D+→K+η′

Search for the charmonium weak decays J/ψ→Ds−​ρ++c.c. and J/ψ→Ds−​π++c.c.

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

Measurement of branching fractions of Λc+​ decays to Σ+η and Σ+η′

Observation of χcJ​(J=0,1,2)→ppˉ​ηη

Precise measurement of the form factors in D0→K∗(892)−μ+νμ​ and test of lepton universality with D0→K∗(892)−ℓ+νℓ​ decays

Observation of the decay ψ(3686)→Σ0Σˉ0ω

Stringent test of CP symmetry in Σ+ hyperon decays

Amplitude analysis of ψ(3686)→γKS0​KS0​

Cross section measurement of e+e−→f1​(1285)π+π− at center-of-mass energies between 3.808 and 4.951GeV

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} π^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

Search for the lepton number violating process $Ξ^{-} \to Σ^{+} e^{-} e^{-} + c . c .$

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

Study of the Magnetic Dipole Transition of $J / ψ \to γ η_{c}$ via $η_{c} \to p p ˉ$

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

First determination of the full spin density matrix in $ψ (3686) \to Λ Λ ˉ$

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

Observation of a threshold enhancement in the $π^{+} π^{-}$ spectrum in $ψ (3686) \to π^{+} π^{-} J / ψ$ decays

Observation of $ψ (3686) \to γ η (1405)$ via $η (1405) \to f_{0} (980) π^{0}$

Helicity amplitude and branching fraction measurement of $χ_{c J} \to Λ Λ ˉ$

Search for CP violation in $e^{+} e^{-} \to ψ (3770) \to D^{0} D ˉ^{0}$ via $D - > K_{S}^{0} π^{0}$

Measurement of the Born cross section for $e^{+} e^{-} \to p K^{-} K^{-} Ξ ˉ^{+}$ at $s =$ 3.5-4.9 GeV

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} π^{0}$ , $D^{+} \to K^{+} η$ and $D^{+} \to K^{+} η^{'}$

Search for the charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D_{s}^{-} π^{+} + c . c .$

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

Measurement of branching fractions of $Λ_{c}^{+}$ decays to $Σ^{+} η$ and $Σ^{+} η^{'}$

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} μ^{+} ν_{μ}$ and test of lepton universality with $D^{0} \to K^{} (892)^{-} ℓ^{+} ν_{ℓ}$ decays

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

Stringent test of $C P$ symmetry in $Σ^{+}$ hyperon decays

Amplitude analysis of $ψ (3686) \to γ K_{S}^{0} K_{S}^{0}$

Cross section measurement of $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ at center-of-mass energies between $3.808$ and $4.951 GeV$