H. Qi

activity

20182025

most citedObservation of an isoscalar resonance with exotic

J^{P C} = 1^{-+}

quantum numbers in

J / ψ \to γ η η^{'}

84 citations · 821 across the 192 of their papers we have counts for

collaborators

Showing 2022Show all

16 papers · 1 filter

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★ 6 cited

Observation of the hindered electromagnetic Dalitz decay $ψ (3686) \to e^{+} e^{-} η_{c}$

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

Using a data sample of $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ decays collected at an $e^{+} e^{-}$ center-of-mass energy of $3.686 GeV$ by the BESIII detector at BEPCII, we report a…

hep-ex2022★ 14 cited

Measurement of the Branching Fraction of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Λ K^{+}$

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

We report a branching fraction measurement of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Λ K^{+}$ using a data sample collected with the BESIII detector at the BEPCII storage…

hep-ex2022★ 2 cited

Absolute Measurements of Branching Fractions of Cabibbo-Suppressed Hadronic $D^{0 (+)}$ Decays Involving Multiple Pions

BESIII Collaboration, M. Ablikim, M. N. Achasov +561

By analyzing $e^{+} e^{-}$ annihilation data with an integrated luminosity of $2.93 f b^{- 1}$ collected at the center-of-mass energy $s =$ 3.773 GeV with the BESIII detector, we…

hep-ex2022★ 5 cited

Observation of $χ_{c J} \to Λ Λ ˉ η$

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

By analyzing $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays of $χ_{c J} \to Λ Λ ˉ η$ ( $J = 0$ , 1 and 2) ar…

hep-ex2022

Observation of $η_{c} (2 S) \to 3 (π^{+} π^{-})$ and measurements of $χ_{c J} \to 3 (π^{+} π^{-})$ in $ψ (3686)$ radiative transitions

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

The hadronic decay $η_{c} (2 S) \to 3 (π^{+} π^{-})$ is observed with a statistical significance of 9.3 standard deviations using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected by the…

hep-ex2022★ 5 cited

Amplitude analysis and branching fraction measurement of the decay \boldmath $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +560

The singly Cabibbo-suppressed decay $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$ is observed, using a data set corresponding to an integrated luminosity of 6.32 $f b^{- 1}$ recorded by the…

hep-ex2022★ 32 cited

Observation of $a_{0} (1710)^{+} \to K_{S}^{0} K^{+}$ in study of the $D_{s}^{+} \to K_{S}^{0} K^{+} π^{0}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +551

Using $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 6.32 fb $^{- 1}$ collected at center-of-mass energies between 4.178 GeV and 4.226 GeV with the BESIII de…

hep-ex2022★ 83 cited

Precise Measurements of Decay Parameters and $C P$ Asymmetry with Entangled $Λ - Λ ˉ$ Pairs

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

Based on 10 billion $J / ψ$ events collected at the BESIII experiment, a search for $C P$ violation in $Λ$ decay is performed in the difference between $C P$ -odd decay parameters $α_{-…

hep-ex2022★ 3 cited

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

Using $e^{+} e^{-}$ annihilation data corresponding to a total integrated luminosity of $6.32$ fb $^{- 1}$ collected at the center-of-mass energies between 4.178 and 4.226 GeV with th…

hep-ex2022★ 6 cited

Observation of the double Dalitz decay $η^{'} \to e^{+} e^{-} e^{+} e^{-}$

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

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at BEPCII, the double Dalitz decay $η^{'} \to e^{+} e^{-} e^{+} e^{-}$ is observed for the first time via the $…

hep-ex2022★ 26 cited

Observation of resonance structures in $e^{+} e^{-} \to π^{+} π^{-} ψ_{2} (3823)$ and mass measurement of $ψ_{2} (3823)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +547

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 meas…

hep-ex2022★ 84 cited

Observation of an isoscalar resonance with exotic $J^{P C} = 1^{-+}$ quantum numbers in $J / ψ \to γ η η^{'}$

M. Ablikim, M. N. Achasov, P. Adlarson +523

Using a sample of (10.09 $\pm$ 0.04) $\times$ 10 $^{9}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay $J/ψ\r…

hep-ex2022★ 27 cited

Observation of a state $X (2600)$ in the $π^{+} π^{-} η^{'}$ system in the process $J / ψ \to γ π^{+} π^{-} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +556

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the process $J / ψ \to γ π^{+} π^{-} η^{'}$ is studied using two dominant decay channels of the $…

hep-ex2022★ 24 cited

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

BESIII Collaboration, M. Ablikim, M. N. Achasov +511

The singly Cabibbo-suppressed decay $Λ_{c}^{+} \to n π^{+}$ is observed for the first time with a statistical significance of $7.3 σ$ by using 3.9 $fb^{- 1}$ of $e^{+} e^{-}$ …

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

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

Observation of the hindered electromagnetic Dalitz decay ψ(3686)→e+e−ηc​

Measurement of the Branching Fraction of the Singly Cabibbo-Suppressed Decay Λc+​→ΛK+

Absolute Measurements of Branching Fractions of Cabibbo-Suppressed Hadronic D0(+) Decays Involving Multiple Pions

Observation of χcJ​→ΛΛˉη

Observation of ηc​(2S)→3(π+π−) and measurements of χcJ​→3(π+π−) in ψ(3686) radiative transitions

Amplitude analysis and branching fraction measurement of the decay \boldmath Ds+​→K+π+π−π0

Observation of a0​(1710)+→KS0​K+ in study of the Ds+​→KS0​K+π0 decay

Precise Measurements of Decay Parameters and CP Asymmetry with Entangled Λ−Λˉ Pairs

Amplitude analysis and branching fraction measurement of Ds+​→K−K+π+π+π−

Observation of the double Dalitz decay η′→e+e−e+e−

Observation of resonance structures in e+e−→π+π−ψ2​(3823) and mass measurement of ψ2​(3823)

Observation of an isoscalar resonance with exotic JPC=1−+ quantum numbers in J/ψ→γηη′

Observation of a state X(2600) in the π+π−η′ system in the process J/ψ→γπ+π−η′

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

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

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

Observation of the hindered electromagnetic Dalitz decay $ψ (3686) \to e^{+} e^{-} η_{c}$

Measurement of the Branching Fraction of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Λ K^{+}$

Absolute Measurements of Branching Fractions of Cabibbo-Suppressed Hadronic $D^{0 (+)}$ Decays Involving Multiple Pions

Observation of $χ_{c J} \to Λ Λ ˉ η$

Observation of $η_{c} (2 S) \to 3 (π^{+} π^{-})$ and measurements of $χ_{c J} \to 3 (π^{+} π^{-})$ in $ψ (3686)$ radiative transitions

Amplitude analysis and branching fraction measurement of the decay \boldmath $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$

Observation of $a_{0} (1710)^{+} \to K_{S}^{0} K^{+}$ in study of the $D_{s}^{+} \to K_{S}^{0} K^{+} π^{0}$ decay

Precise Measurements of Decay Parameters and $C P$ Asymmetry with Entangled $Λ - Λ ˉ$ Pairs

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{+} π^{-}$

Observation of the double Dalitz decay $η^{'} \to e^{+} e^{-} e^{+} e^{-}$

Observation of resonance structures in $e^{+} e^{-} \to π^{+} π^{-} ψ_{2} (3823)$ and mass measurement of $ψ_{2} (3823)$

Observation of an isoscalar resonance with exotic $J^{P C} = 1^{-+}$ quantum numbers in $J / ψ \to γ η η^{'}$

Observation of a state $X (2600)$ in the $π^{+} π^{-} η^{'}$ system in the process $J / ψ \to γ π^{+} π^{-} η^{'}$

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