X. M. Xian

activity

20232025

e^{+} e^{-} \to η J / ψ

Cross Section from

s =

3.808 GeV to 4.951 GeV

12 citations · 33 across the 16 of their papers we have counts for

collaborators

16 papers

hep-ex2025

Search for sub-GeV invisible particles in inclusive decays of $J / ψ$ to $ϕ$

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

A search for an invisible particle, $X$ , with a mass between 0 and 0.96 $GeV / c^{2}$ , is performed in the process $J / ψ \to ϕ + X$ using $(8774.0\pm39.4)\times…

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★ 1 cited

Search for $J / ψ \to K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to K_{S}^{0} K_{S}^{0}$

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

Using data samples of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events and $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we sea…

hep-ex2025

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

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

Using a sample of $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector at the electron positron collider BEPCII, the decay $ψ(3686) \to Ξ^- K^0_S \ba…

hep-ex2024★ 3 cited

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to p π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

Utilizing 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected with the BESIII detector at the BEPCII collider at center-of-mass energies between 4.600 and 4.699 GeV, the f…

hep-ex2024★ 5 cited

Search for the massless dark photon with $D^{0} \to ω γ^{'}$ and $D^{0} \to γ γ^{'}$

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

Using $7.9 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at $s = 3.773$ GeV with the BESIII detector at the BEPCII collider, we search for the massless dark photon with t…

hep-ex2024★ 1 cited

Precision Measurement of the Branching Fraction of $D^{+} \to μ^{+} ν_{μ}$

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

Using $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of $E_{c.m.} = 3.773$ GeV with the BESIII detector operating at the BEPCII collider,…

hep-ex2024★ 3 cited

Measurement of $Σ^{+}$ transverse polarization in $e^{+} e^{-}$ collisions at $s = 3.68 - 3.71$ GeV

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

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at seven energy points ranging from 3.68 to 3.71 GeV and corresponding to an integrated luminosity of $652.1~{\rm p…

hep-ex2024

Search for the $e^{+} e^{-} \to ϕ χ_{c 1} (3872)$ process at BESIII

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

Based on 368.5 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies 4.914 and 4.946 GeV by the BESIII detector, the $e^{+} e^{-} \to ϕ χ_{c 1} (3872)$ process is searc…

hep-ex2024★ 4 cited

Measurements of the branching fractions of semileptonic $D_{s}^{+}$ decays via $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

We measure the absolute branching fractions of semileptonic $D_{s}^{+}$ decays via the $e^{+} e^{-} \to D_{s}^{*+} D_{s}^{*-}$ process using $e^{+} e^{-}$ collision data corresponding to an integrated…

hep-ex2024★ 1 cited

Study of the decays $χ_{c J} \to Λ Λ ˉ ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

Based on $(2712.4 \pm 14.3) \times 1 0^{6}$ $e^{+} e^{-} \to ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, we report the first evidence of $χ_{c…

hep-ex2024

Search for $Δ S = 2$ nonleptonic hyperon decays $Ω^{-} \to Σ^{0} π^{-}$ and $Ω^{-} \to n K^{-}$

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

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII detector at the center-of-mass energy of $s = 3.686$ GeV, we search for the first time for tw…

hep-ex2024★ 2 cited

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

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

Using the $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the BEPCII collider, at center-of-mass energies from the threshold to $4.95$ ~GeV, we present preci…

hep-ex2024

Observation of $ψ (3686) \to Ω^{-} K^{+} Ξ ˉ^{0}$ +c.c

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

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the decay of $ψ (3686) \to Ω^{-} K^{+} Ξ ˉ^{0} + c . c .$ is observed for the first tim…

hep-ex2023★ 12 cited

Measurement of $e^{+} e^{-} \to η J / ψ$ Cross Section from $s =$ 3.808 GeV to 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using data samples with an integrated luminosity of 22.42 fb $^{- 1}$ collected by the BESIII detector operating at the BEPCII storage ring, we measure the cross sections of the $e^{…

hep-ex2023

First Experimental Study of the Purely Leptonic Decay $D_{s}^{*+} \to e^{+} ν_{e}$

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

Using $7.33 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at the BEPCII collider, we report the first experimental study of the purely leptonic decay…

Search for sub-GeV invisible particles in inclusive decays of J/ψ to ϕ

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

Search for J/ψ→KS0​KS0​ and ψ(3686)→KS0​KS0​

Observation of ψ(3686)→Ξ−KS0​Ωˉ++c.c

Observation of the Singly Cabibbo-Suppressed Decay Λc+​→pπ0

Search for the massless dark photon with D0→ωγ′ and D0→γγ′

Precision Measurement of the Branching Fraction of D+→μ+νμ​

Measurement of Σ+ transverse polarization in e+e− collisions at s​=3.68−3.71 GeV

Search for the e+e−→ϕχc1​(3872) process at BESIII

Measurements of the branching fractions of semileptonic Ds+​ decays via e+e−→Ds∗+​Ds∗−​

Study of the decays χcJ​→ΛΛˉϕ

Search for ΔS=2 nonleptonic hyperon decays Ω−→Σ0π− and Ω−→nK−

Precise measurement of the e+e−→Ds+​Ds−​ cross sections at center-of-mass energies from threshold to 4.95 GeV

Observation of ψ(3686)→Ω−K+Ξˉ0+c.c

Measurement of e+e−→ηJ/ψ Cross Section from s​= 3.808 GeV to 4.951 GeV

First Experimental Study of the Purely Leptonic Decay Ds∗+​→e+νe​

Search for sub-GeV invisible particles in inclusive decays of $J / ψ$ to $ϕ$

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

Search for $J / ψ \to K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to K_{S}^{0} K_{S}^{0}$

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to p π^{0}$

Search for the massless dark photon with $D^{0} \to ω γ^{'}$ and $D^{0} \to γ γ^{'}$

Precision Measurement of the Branching Fraction of $D^{+} \to μ^{+} ν_{μ}$

Measurement of $Σ^{+}$ transverse polarization in $e^{+} e^{-}$ collisions at $s = 3.68 - 3.71$ GeV

Search for the $e^{+} e^{-} \to ϕ χ_{c 1} (3872)$ process at BESIII

Measurements of the branching fractions of semileptonic $D_{s}^{+}$ decays via $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$

Study of the decays $χ_{c J} \to Λ Λ ˉ ϕ$

Search for $Δ S = 2$ nonleptonic hyperon decays $Ω^{-} \to Σ^{0} π^{-}$ and $Ω^{-} \to n K^{-}$

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

Observation of $ψ (3686) \to Ω^{-} K^{+} Ξ ˉ^{0}$ +c.c

Measurement of $e^{+} e^{-} \to η J / ψ$ Cross Section from $s =$ 3.808 GeV to 4.951 GeV

First Experimental Study of the Purely Leptonic Decay $D_{s}^{*+} \to e^{+} ν_{e}$