Z. Qian

activity

20032022

most citedPerformance of missing transverse momentum reconstruction in proton-proton collisions at 7 TeV with ATLAS

324 citations · 1.6k across the 41 of their papers we have counts for

collaborators

41 papers

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★ 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-ex2021★ 12 cited

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

BESIII Collaboration, M. Ablikim, M. N. Achasov +484

Utilizing a data set corresponding to an integrated luminosity of 6.32~ $f b^{- 1}$ , recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226~GeV, we per…

hep-ex2021★ 13 cited

Measurements of the branching fractions of $ψ (3686) \to Σ ˉ^{0} Λ + c . c .$ and $χ_{c J (J = 0, 1, 2)} \to Λ Λ ˉ$

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

Based on $4.481 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the branching fraction of the isospin violating decay $ψ (3686) \to Σ ˉ^{0} Λ + c . c .$ …

hep-ex2021★ 12 cited

Measurement of the $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ coherence factors and average strong-phase differences in quantum-correlated $D D ˉ$ decays

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

The decays $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ are studied in a sample of quantum-correlated $D D ˉ$ pairs produced through the process $e^{+} e^{-} \to ψ (3770) \to D D ˉ$ ,…

hep-ex2021★ 56 cited

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

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

The electromagnetic process $e^{+} e^{-} \to p p ˉ$ is studied with the initial-state-radiation technique using 7.5 fb $^{- 1}$ of data collected by the BESIII experiment at seven e…

hep-ex2021

Cross section measurement of $e^{+} e^{-} \to p p ˉ η$ and $e^{+} e^{-} \to p p ˉ ω$ at center-of-mass energies between 3.773 GeV and 4.6 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +482

Based on $14.7 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected with the BESIII detector at the BEPCII collider at 17 different center-of-mass energies between $3.7730~\te…

hep-ex2021★ 20 cited

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +506

We report new measurements of the branching fraction $B (D_{s}^{+} \to ℓ^{+} ν)$ , where $ℓ^{+}$ is either $μ^{+}$ or $τ^{+} (\to π^{+} ν ˉ_{τ})$ , based on $6.32$ fb $^{- 1}$ of electron-posit…

hep-ex2021★ 12 cited

Search for new decay modes of the $ψ_{2} (3823)$ and the process $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

M. Ablikim, M. N. Achasov, P. Adlarson +502

The decays $ψ_{2} (3823) \to γ χ_{c 0, 1, 2}, π^{+} π^{-} J / ψ, π^{0} π^{0} J / ψ, η J / ψ$ , and $π^{0} J / ψ$ are searched for using the reaction $e^{+} e^{-} \to π^{+} π^{-} ψ_{2} (3823)$ in a 19 fb $^{- 1}$ data…

hep-ex2021★ 6 cited

Search for the $X (2370)$ and observation of $η_{c} \to η η η^{'}$ in $J / ψ \to γ η η η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +491

Using a sample of $1.31 \times 1 0^{9} J / ψ$ events collected with the BESIII detector, we perform a study of $J / ψ \to γ η η η^{'}$ to search for the $X (2370)$ and $η_{c}$ in the $ηηη…

hep-ex2020★ 40 cited

Measurements of the center-of-mass energies of $e^{+} e^{-}$ collisions at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

During the 2016-17 and 2018-19 running periods, the BESIII experiment collected 7.5~fb $^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies ranging from 4.13 to 4.44 GeV. T…

hep-ex2020★ 8 cited

Measurement of the absolute branching fraction of $Λ_{c}^{+} \to p K_{S}^{0} η$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +490

Based on 586 $p b^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-mass energy of $s = 4.6 GeV$ with the BESIII detector at the BEPCII collider, the absol…

hep-ex2020★ 8 cited

Study of $e^{+} e^{-} \to 2 (p p ˉ)$ at center-of-mass energies between 4.0 and 4.6 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +487

Using data taken at 23 center-of-mass energies between 4.0 and 4.6 GeV with the BESIII detector at the BEPCII collider and with a total integrated luminosity of approximately $15$ …

hep-ex2020★ 2 cited

Search for the reaction $e^{+} e^{-} \to π^{+} π^{-} χ_{c J}$ and a charmonium-like structure decaying to $χ_{c J} π^{\pm}$ between 4.18 and 4.60 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +481

We search for the process $e^{+} e^{-} \to π^{+} π^{-} χ_{c J}$ ( $J = 0, 1, 2$ ) and for a charged charmonium-like state in the $π^{\pm} χ_{c J}$ subsystem. The search uses data sets…

hep-ex2020★ 5 cited

Measurement of the Branching Fraction of and Search for a CP-Violating Asymmetry in $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +487

The rare decay $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ is studied using a sample of $1.3 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at BEPCII in 2009 and 2012. The branching fra…

hep-ex2020★ 46 cited

Observation of a resonant structure in $e^{+} e^{-} \to ω η$ and another in $e^{+} e^{-} \to ω π^{0}$ at center-of-mass energies between 2.00 and 3.08 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +485

Born cross sections for the processes $e^{+} e^{-} \to ω η$ and $e^{+} e^{-} \to ω π^{0}$ have been determined for center-of-mass energies between 2.00 and 3.08 GeV with the BESIII detector at…

hep-ex2020★ 7 cited

Measurements of $e^{+} e^{-} \to η_{c} π^{+} π^{-} π^{0}$ , $η_{c} π^{+} π^{-}$ and $η_{c} π^{0} γ$ at $s$ from 4.18 to 4.60\,GeV, and search for a $Z_{c}$ state close to the $D D ˉ$ threshold decaying to $η_{c} π$ at $s$ = 4.23 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +492

We study $η_{c}$ production at center-of-mass energies $s$ from 4.18 to 4.60 GeV in $e^{+} e^{-}$ annihilation data collected with the BESIII detector operating at the BEPCII…

hep-ex2020★ 42 cited

Measurement of cross-section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ near threshold at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +494

The Born cross-sections and effective form factors for process $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ are measured at eight center-of-mass energies between 2.644 and 3.080 GeV, using a total integr…

hep-ex2020★ 7 cited

Observation of the decays $χ_{c J} \to Σ^{0} p ˉ K^{+} + c.c. (J = 0, 1, 2)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +494

The decays $χ_{c J} \to Σ^{0} p ˉ K^{+} + c.c. (J = 0, 1, 2)$ are studied via the radiative transition $ψ (3686) \to γ χ_{c J}$ based on a data sample of $(448.1 \pm 2.9)\times10^{6}…

hep-ex2020★ 30 cited

Erratum to "Measurement of the $e^{+} e^{-} \to π^{+} π^{-}$ cross section between 600 and 900 MeV using initial state radiation"

BESIII Collaboration, M. Ablikim, M. N. Achasov +489

In Phys. Lett. B 753, 629-638 (2016) [arXiv:1507.08188] the BESIII collaboration published a cross section measurement of the process $e^{+} e^{-} \to π^{+} π^{-}$ in the energy range betwee…

hep-ex2020★ 14 cited

Search for the semileptonic decay $D^{0 (+)} \to b_{1} (1235)^{- (0)} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +491

Using $2.93 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-mass energy $s = 3.773$ GeV with the BESIII detector operating at the BEPCII collider, we…

hep-ex2020★ 25 cited

Improved model-independent determination of the strong-phase difference between $D^{0}$ and $D ˉ^{0} \to K_{S, L}^{0} K^{+} K^{-}$ decays

M. Ablikim, M. N. Achasov, P. Adlarson +489

We present a measurement of the strong-phase difference between $D^{0}$ and $D ˉ^{0} \to K_{S, L}^{0} K^{+} K^{-}$ decays, performed through a study of quantum-entangled pairs…

hep-ex2020★ 6 cited

First Measurements of $χ_{c J} \to Σ^{-} Σ ˉ^{+} (J = 0, 1, 2)$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +484

We measured the branching fractions of the decays $χ_{c J} \to Σ^{-} Σ ˉ^{+}$ for the first time using the final states $n n ˉ π^{+} π^{-}$ . The data sample exploited here is $448.1…

hep-ex2020★ 69 cited

$Σ^{+}$ and $Σ ˉ^{-}$ polarization in the $J / ψ$ and $ψ (3686)$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +484

From $1310.6 \times 1 0^{6}$ $J / ψ$ and $448.1 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII experiment, we report the first observation of $Σ^{+}$ and $Σ ˉ^{-}$ spin polar…

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

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

Amplitude analysis and branching-fraction measurement of \boldmath Ds+​→KS0​π+π0

Measurements of the branching fractions of ψ(3686)→Σˉ0Λ+c.c. and χcJ(J=0,1,2)​→ΛΛˉ

Measurement of the D→K−π+π+π− and D→K−π+π0 coherence factors and average strong-phase differences in quantum-correlated DDˉ decays

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

Cross section measurement of e+e−→ppˉ​η and e+e−→ppˉ​ω at center-of-mass energies between 3.773 GeV and 4.6 GeV

Measurement of the absolute branching fractions for purely leptonic Ds+​ decays

Search for new decay modes of the ψ2​(3823) and the process e+e−→π0π0ψ2​(3823)

Search for the X(2370) and observation of ηc​→ηηη′ in J/ψ→γηηη′

Measurements of the center-of-mass energies of e+e− collisions at BESIII

Measurement of the absolute branching fraction of Λc+​→pKS0​η decays

Study of e+e−→2(ppˉ​) at center-of-mass energies between 4.0 and 4.6 GeV

Search for the reaction e+e−→π+π−χcJ​ and a charmonium-like structure decaying to χcJ​π± between 4.18 and 4.60 GeV

Measurement of the Branching Fraction of and Search for a CP-Violating Asymmetry in η′→π+π−e+e− at BESIII

Observation of a resonant structure in e+e−→ωη and another in e+e−→ωπ0 at center-of-mass energies between 2.00 and 3.08 GeV

Measurements of e+e−→ηc​π+π−π0, ηc​π+π− and ηc​π0γ at s​ from 4.18 to 4.60\,GeV, and search for a Zc​ state close to the DDˉ threshold decaying to ηc​π at s​ = 4.23 GeV

Measurement of cross-section for e+e−→Ξ−Ξˉ+ near threshold at BESIII

Observation of the decays χcJ​→Σ0pˉ​K++c.c. (J=0,1,2)

Erratum to "Measurement of the e+e−→π+π− cross section between 600 and 900 MeV using initial state radiation"

Search for the semileptonic decay D0(+)→b1​(1235)−(0)e+νe​

Improved model-independent determination of the strong-phase difference between D0 and Dˉ0→KS,L0​K+K− decays

First Measurements of χcJ​→Σ−Σˉ+(J=0,1,2) Decays

Σ+ and Σˉ− polarization in the J/ψ and ψ(3686) decays

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

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

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

Measurements of the branching fractions of $ψ (3686) \to Σ ˉ^{0} Λ + c . c .$ and $χ_{c J (J = 0, 1, 2)} \to Λ Λ ˉ$

Measurement of the $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ coherence factors and average strong-phase differences in quantum-correlated $D D ˉ$ decays

Cross section measurement of $e^{+} e^{-} \to p p ˉ η$ and $e^{+} e^{-} \to p p ˉ ω$ at center-of-mass energies between 3.773 GeV and 4.6 GeV

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays

Search for new decay modes of the $ψ_{2} (3823)$ and the process $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

Search for the $X (2370)$ and observation of $η_{c} \to η η η^{'}$ in $J / ψ \to γ η η η^{'}$

Measurements of the center-of-mass energies of $e^{+} e^{-}$ collisions at BESIII

Measurement of the absolute branching fraction of $Λ_{c}^{+} \to p K_{S}^{0} η$ decays

Study of $e^{+} e^{-} \to 2 (p p ˉ)$ at center-of-mass energies between 4.0 and 4.6 GeV

Search for the reaction $e^{+} e^{-} \to π^{+} π^{-} χ_{c J}$ and a charmonium-like structure decaying to $χ_{c J} π^{\pm}$ between 4.18 and 4.60 GeV

Measurement of the Branching Fraction of and Search for a CP-Violating Asymmetry in $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ at BESIII

Observation of a resonant structure in $e^{+} e^{-} \to ω η$ and another in $e^{+} e^{-} \to ω π^{0}$ at center-of-mass energies between 2.00 and 3.08 GeV

Measurements of $e^{+} e^{-} \to η_{c} π^{+} π^{-} π^{0}$ , $η_{c} π^{+} π^{-}$ and $η_{c} π^{0} γ$ at $s$ from 4.18 to 4.60\,GeV, and search for a $Z_{c}$ state close to the $D D ˉ$ threshold decaying to $η_{c} π$ at $s$ = 4.23 GeV

Measurement of cross-section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ near threshold at BESIII

Observation of the decays $χ_{c J} \to Σ^{0} p ˉ K^{+} + c.c. (J = 0, 1, 2)$

Erratum to "Measurement of the $e^{+} e^{-} \to π^{+} π^{-}$ cross section between 600 and 900 MeV using initial state radiation"

Search for the semileptonic decay $D^{0 (+)} \to b_{1} (1235)^{- (0)} e^{+} ν_{e}$

Improved model-independent determination of the strong-phase difference between $D^{0}$ and $D ˉ^{0} \to K_{S, L}^{0} K^{+} K^{-}$ decays

First Measurements of $χ_{c J} \to Σ^{-} Σ ˉ^{+} (J = 0, 1, 2)$ Decays

$Σ^{+}$ and $Σ ˉ^{-}$ polarization in the $J / ψ$ and $ψ (3686)$ decays