T. Qi

activity

20202025

most citedPrecise Measurements of Decay Parameters and

C P

Asymmetry with Entangled

Λ - Λ ˉ

Pairs

83 citations · 401 across the 39 of their papers we have counts for

collaborators

40 papers

hep-ex2025★ 7 cited

Test of local realism via entangled $Λ Λ ˉ$ system

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

The non-locality of quantum correlations is a fundamental feature of quantum theory. The Bell inequality serves as a benchmark for distinguishing between predictions made by quantu…

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★ 1 cited

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

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

Based on 12.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data samples collected by the BESIII detector at center-of-mass energies from 4.1271 to 4.3583 GeV, a partial wave analys…

hep-ex2025

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a $J / ψ$ decaying into a vector-pseudoscalar final state is performed using…

hep-ex2025

Observation of resonant contribution to the $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ around 4.2 GeV and evidence of $ψ (3770) \to Ω^{-} Ω ˉ^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 22.7 fb $^{- 1}$ , collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detecto…

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-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-ex2022★ 4 cited

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +579

Using an $e^{+} e^{-}$ collision data sample with a total integrated luminosity of $3.19$ fb $^{- 1}$ collected with the BESIII detector at a center-of-mass energy of 4.178 GeV, the bran…

hep-ex2022★ 15 cited

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

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

Using $4.7 f b^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies from 4.661 to 4.951 GeV collected by the BESIII detector at the BEPCII collider, we observe the $X(387…

hep-ex2022

Measurements of the electric and magnetic form factors of the neutron for time-like momentum transfer

BESIII Collaboration, M. Ablikim, M. N. Achasov +589

We present the first measurements of the electric and magnetic form factors of the neutron in the time-like (positive $q^{2}$ ) region as function of four-momentum transfer. We explor…

hep-ex2022★ 6 cited

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

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

A determination of the $C P$ -even fraction $F_{+}$ in the decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ is presented. Using $2.93$ fb $^{- 1}$ of $e^{+} e^{-} \to ψ (3770) \to D D ˉ$ data collected by the B…

hep-ex2022★ 6 cited

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +563

Using $4.5 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data samples collected at center-of-mass energies ranging from 4.600 to 4.698 GeV with the BESIII detector at the BEPCII colli…

hep-ex2022★ 6 cited

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

The decay $η_c(2S)\to\pipieta$ is searched for through the radiative transition $ψ (3686) \to γ η_{c} (2 S)$ using 448 million $ψ$ (3686) events accumulated at the BESIII detector. The fir…

hep-ex2022★ 12 cited

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

Based on electron positron collision data collected with the BESIII detector operating at the BEPCII storage rings, the differential cross sections of inclusive $π^{0}$ and $K_{S}^{0}$ p…

hep-ex2022★ 30 cited

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

M. Ablikim, M. N. Achasov, P. Adlarson +563

Cross sections for the process $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$ at center-of-mass energies from $4.128$ to $4.950$ GeV are measured using data samples with a total integra…

hep-ex2022★ 7 cited

Study of $e^{+} e^{-} \to γ ϕ J / ψ$ from $s = 4.600$ to $4.951$ GeV

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

Using data samples with an integrated luminosity of $6.4$ ~fb $^{- 1}$ collected by the BESIII detector operating at the BEPCII storage ring, the process of $e^{+} e^{-} \to γ ϕ J / ψ$ is studie…

hep-ex2022★ 7 cited

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

The decays $J / ψ \to η Σ^{+} Σ ˉ^{-}$ and $ψ (3686) \to η Σ^{+} Σ ˉ^{-}$ are observed for the first time, using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ and $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ(…

hep-ex2022★ 5 cited

Measurement of the absolute branching fraction of the inclusive decay $Λ ˉ_{c}^{-} \to n ˉ + X$

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

Based on $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 4.5 $f b^{- 1}$ collected at the center-of-mass energies between 4.600 and 4.699 GeV with the BESIII det…

hep-ex2022★ 2 cited

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

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

Using a data sample corresponding to an integrated luminosity of 11.3 $f b^{- 1}$ collected at center-of-mass energies from $4.23$ to $4.70$ ~GeV with the BESIII detector, we obse…

hep-ex2022★ 2 cited

Observation of the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ and measurement of its angular distribution

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ is observed for the first time with a…

hep-ex2022★ 16 cited

Search for invisible decays of a dark photon using $e^{+} e^{-}$ annihilation data at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +564

We report a search for a dark photon using $14.9$ ~fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data taken at center-of-mass energies from 4.13 to 4.60~GeV with the BESIII detector operated a…

hep-ex2022★ 8 cited

Study of $η (1405) / η (1475)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

Using a sample of $(10.09 \pm 0.04) \times 1 0^{9}$ $J / ψ$ decays collected with the BESIII detector, partial wave analyses of the decay $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ are performed w…

hep-ex2022★ 5 cited

Search for baryon and lepton number violation decay $D^{\pm} \to n (n ˉ) e^{\pm}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +568

Using a data set of electron-positron collisions corresponding to an integrated luminosity of $2.93 f b^{- 1}$ taken with the BESIII detector at a center-of-mass energy of 3.77…

hep-ex2022★ 10 cited

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

BESIII Collaboration, M. Ablikim, M. N. Achasov +563

A measurement of the $C P$ -even fraction of the decay $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ is performed with a quantum-correlated $ψ (3770) \to D D ˉ$ data sample collected by the BESI…

Test of local realism via entangled ΛΛˉ system

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

Partial Wave Analysis of e+e−→π+π−J/ψ and Cross Section Measurement of e+e−→π±Zc​(3900)∓ from 4.1271 to 4.3583 GeV

Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ→ϕη

Observation of resonant contribution to the e+e−→Ω−Ωˉ+ around 4.2 GeV and evidence of ψ(3770)→Ω−Ωˉ+

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

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

Measurement of the absolute branching fraction of the inclusive decay Ds+​→π+π+π−X

Observation of a New X(3872) Production Process e+e−→ωX(3872)

Measurements of the electric and magnetic form factors of the neutron for time-like momentum transfer

Measurement of the CP-even fraction of D0→K+K−π+π−

Improved measurement of the absolute branching fraction of inclusive semileptonic Λc+​ decay

Evidence for ηc​(2S)$\to\pipieta$ decay

Measurements of Differential Cross Sections of Inclusive π0 and KS0​ Production in e+e− Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the Y(4230) and evidence for a new vector charmonium-like state Y(4710) in e+e−→KS0​KS0​J/ψ

Study of e+e−→γϕJ/ψ from s​=4.600 to 4.951 GeV

Observation of the J/ψ and ψ(3686) decays into ηΣ+Σˉ−

Measurement of the absolute branching fraction of the inclusive decay Λˉc−​→nˉ+X

Observation of e+e−→π0π0ψ2​(3823)

Observation of the decay ψ(3686)→Σ−Σˉ+ and measurement of its angular distribution

Search for invisible decays of a dark photon using e+e− annihilation data at BESIII

Study of η(1405)/η(1475) in J/ψ→γKS0​KS0​π0 decay

Search for baryon and lepton number violation decay D±→n(nˉ)e±

Measurement of the CP-even fraction of D0→π+π−π+π−

Test of local realism via entangled $Λ Λ ˉ$ system

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

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$

Observation of resonant contribution to the $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ around 4.2 GeV and evidence of $ψ (3770) \to Ω^{-} Ω ˉ^{+}$

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

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

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

Study of $e^{+} e^{-} \to γ ϕ J / ψ$ from $s = 4.600$ to $4.951$ GeV

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$

Measurement of the absolute branching fraction of the inclusive decay $Λ ˉ_{c}^{-} \to n ˉ + X$

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

Observation of the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ and measurement of its angular distribution

Search for invisible decays of a dark photon using $e^{+} e^{-}$ annihilation data at BESIII

Study of $η (1405) / η (1475)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ decay

Search for baryon and lepton number violation decay $D^{\pm} \to n (n ˉ) e^{\pm}$

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