Q. M. Ma

most citedPrecise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon Antihyperon Pairs

2 citations · 2 across the 15 of their papers we have counts for

collaborators

15 papers

hep-ex2026

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Using $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected by the BESIII detector at the BEPCII collider, the $ψ (3686) \to γ p p ˉ π^{+} π^{-} π^{0}$ process is investigated. Evidence…

hep-ex2026

First measurements of the branching fractions of $J / ψ$ and $ψ (3686) \to Σ^{0} Σ ˉ^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ and $(2712 \pm 14) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the hadronic decays $J/ψ\to…

hep-ex2026

Measurement of Born Cross Section for $e^{+} e^{-} \to K_{S}^{0} Ξ ˉ^{+} Σ^{-} + c.c.$ at $s = 3.51 - 4.95$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider corresponding to a total integrated luminosity of 44~fb $^{- 1}$ , we present the first measure…

hep-ex2026

First Measurement of the Relative Phase between Proton Psionic Form Factors

BESIII Collaboration, M. Ablikim, M. N. Achasov +754

The relative phase between the time-like form factors of the proton is a crucial observable for a complete understanding of its internal structure, yet it has remained unmeasured d…

hep-ex2026

Observation of $η_{c} \to p p ˉ η$ via $ψ (3686) \to γ p p ˉ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

The decay $η_{c} \to p p ˉ η$ is observed for the first time with a significance of exceeding $10 σ$ . It is found by analyzing $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events accumu…

hep-ex2026

Measurement of Born cross sections for $e^{+} e^{-} \to p p ˉ$ at $s = 3.510 - 4.946$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

We report a measurement of the Born cross section and the effective form factor for the $e^{+} e^{-} \to p p ˉ$ reaction at 47 center-of-mass energies between 3.510 and 4.946 GeV. The…

hep-ex2026

Evidence of $ψ (3770) \to π^{0} J / ψ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

We report the first evidence for the hadronic transition $ψ (3770) \to π^{0} J / ψ$ using a data sample of $20.3 fb^{- 1}$ collected at $s = 3.773$ ~GeV with the BESIII de…

hep-ex2026

Strong and electromagnetic amplitudes, direct $C P$ and isospin asymmetries in the decays $J / ψ \to K_{S}^{0} K^{+} π^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

Using $e^{+} e^{-}$ annihilation data collected at 26 center-of-mass energy points between 3000.00 and $3119.88 MeV$ with the BESIII detector, corresponding to a total integrated…

hep-ex2026

First Measurement of the $D_{s}^{+} \to K^{} (892)^{0} μ^{+} ν_{μ}$ Decay, Study of Dynamics and Test of Lepton Universality with $D_{s}^{+} \to K^{} (892)^{0} ℓ^{+} ν_{ℓ}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +715

We report the first measurement of the semileptonic decay $D_{s}^{+} \to K^{*} (892)^{0} μ^{+} ν_{μ}$ and an improved measurement of the decay $D_{s}^{+} \to K^{*} (892)^{0} e^{+} ν_{e}$ usin…

hep-ex2026

Measurement of the Absolute Branching Fraction of Xi(1530)^{-} to (Xi pi)^{-} and Updated Measurement of the Branching Fraction of psi(3686) to anti-Xi^{+} Xi(1530)^{-} + c.c

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

Based on (2712.4+-14.3)*10^{6} psi(3686) events collected with the BESIII detector, the decays Xi(1530)^{-} to Xi^{0} pi^{-} and Xi(1530)^{-} to Xi^{-} pi^{0} are investigated join…

hep-ex2026

Observation of the $X (2370)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +769

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$ processes are stu…

hep-ex2026

Search for a massless particle beyond the Standard Model in the $Ξ^{0} \to Λ + invisible$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +765

A search for a massless beyond-standard-model particle is performed in the decay $Ξ^{0} \to Λ + invisible$ using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with…

hep-ex2026

First energy scan measurement of $e^{+} e^{-} \to K^{+} K^{-}$ around the $ψ (2 S)$ resonance

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

We report the precise energy scan measurement of the cross section lineshape of $ψ (2 S) \to K^{+} K^{-}$ . The analysis is based on $e^{+} e^{-}$ collision data corresponding to an inte…

hep-ex2026

Cross Section Measurements of $n ˉ p \to K^{+} K^{-} π^{+} (π^{0})$ via Antineutrons Produced by $J / ψ \to p π^{-} n ˉ$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

Based on a novel method for producing antineutrons via $J / ψ$ decays, we report a study of $n ˉ p$ inelastic scattering into final states containing kaons. The analysis uses $(10…

hep-ex2026★ 2 cited

Precise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon Antihyperon Pairs

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

A search for $C P$ violation with an entangled system of $Ξ^{-} Ξ ˉ^{+}$ pairs is performed, using $(10, 087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII experiment. A nine…

Evidence for ηc​(2S)→ppˉ​π+π−π0 and observation of χcJ​→ppˉ​π+π−π0

First measurements of the branching fractions of J/ψ and ψ(3686)→Σ0Σˉ0η

Measurement of Born Cross Section for e+e−→KS0​Ξˉ+Σ−+c.c. at s​=3.51−4.95 GeV

First Measurement of the Relative Phase between Proton Psionic Form Factors

Observation of ηc​→ppˉ​η via ψ(3686)→γppˉ​η

Measurement of Born cross sections for e+e−→ppˉ​ at s​=3.510−4.946 GeV

Evidence of ψ(3770)→π0J/ψ

Strong and electromagnetic amplitudes, direct CP and isospin asymmetries in the decays J/ψ→KS0​K+π−+c.c.

First Measurement of the Ds+​→K∗(892)0μ+νμ​ Decay, Study of Dynamics and Test of Lepton Universality with Ds+​→K∗(892)0ℓ+νℓ​ Decays

Measurement of the Absolute Branching Fraction of Xi(1530)^{-} to (Xi pi)^{-} and Updated Measurement of the Branching Fraction of psi(3686) to anti-Xi^{+} Xi(1530)^{-} + c.c

Observation of the X(2370) in J/ψ→γKS0​KS0​π0 and J/ψ→γπ0π0η

Search for a massless particle beyond the Standard Model in the Ξ0→Λ+invisible decay

First energy scan measurement of e+e−→K+K− around the ψ(2S) resonance

Cross Section Measurements of nˉp→K+K−π+(π0) via Antineutrons Produced by J/ψ→pπ−nˉ Decays

Precise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon Antihyperon Pairs

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

First measurements of the branching fractions of $J / ψ$ and $ψ (3686) \to Σ^{0} Σ ˉ^{0} η$

Measurement of Born Cross Section for $e^{+} e^{-} \to K_{S}^{0} Ξ ˉ^{+} Σ^{-} + c.c.$ at $s = 3.51 - 4.95$ GeV

Observation of $η_{c} \to p p ˉ η$ via $ψ (3686) \to γ p p ˉ η$

Measurement of Born cross sections for $e^{+} e^{-} \to p p ˉ$ at $s = 3.510 - 4.946$ GeV

Evidence of $ψ (3770) \to π^{0} J / ψ$

Strong and electromagnetic amplitudes, direct $C P$ and isospin asymmetries in the decays $J / ψ \to K_{S}^{0} K^{+} π^{-} + c . c .$

First Measurement of the $D_{s}^{+} \to K^{} (892)^{0} μ^{+} ν_{μ}$ Decay, Study of Dynamics and Test of Lepton Universality with $D_{s}^{+} \to K^{} (892)^{0} ℓ^{+} ν_{ℓ}$ Decays

Observation of the $X (2370)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$

Search for a massless particle beyond the Standard Model in the $Ξ^{0} \to Λ + invisible$ decay

First energy scan measurement of $e^{+} e^{-} \to K^{+} K^{-}$ around the $ψ (2 S)$ resonance

Cross Section Measurements of $n ˉ p \to K^{+} K^{-} π^{+} (π^{0})$ via Antineutrons Produced by $J / ψ \to p π^{-} n ˉ$ Decays