Q. W. Lu

activity

20102013

most citedObservation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

919 citations · 2.1k across the 22 of their papers we have counts for

collaborators

22 papers

hep-ex2013★ 18 cited

Partial wave analysis of $ψ (2 S) \to p p ˉ η$

M. Ablikim, M. N. Achasov, O. Albayrak +360

Using a sample of $1.06 \times 1 0^{8}$ $ψ (2 S)$ events collected with the BESIII detector at BEPCII, the decay $ψ (2 S) \to p p ˉ η$ is studied. A partial wave analysis determines…

hep-ex2013★ 5 cited

Study of $ψ (3686) \to ω K K ˉ π$ decays

BESIII Collaboration

Based on 106 million $ψ (3686)$ events collected with the BESIII detector at the BEPCII, the decay $ψ (3686) \to ω K K ˉ π$ is studied. Enhancements around 1.44 GeV/$c^{2}…

hep-ex2013★ 919 cited

Observation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +367

We study the process e+e- to pi+pi-J/psi at a center-of-mass energy of 4.260 GeV using a 525 pb^{-1} data sample collected with the BESIII detector operating at the Beijing Electro…

hep-ex2013★ 26 cited

Study of $J / ψ \to ω p p ˉ$ at BESIII

The BESIII Collaboration, M. Ablikim, M. N. Achasov +363

The decay $J / ψ \to ω p p ˉ$ has been studied, using $225.3 \times 1 0^{6}$ $J / ψ$ events accumulated at BESIII. No significant enhancement near the $p p ˉ$ invariant-mass…

hep-ex2012★ 9 cited

Precision measurements of branching fractions for $ψ^{'} \to π^{0} J ψ$ and $η J ψ$

M. Ablikim, M. N. Achasov, O. Albayrak +342

We present a precision study of the $\psip\toπ^0 J/ψ$ and $η J / ψ$ decay modes. The measurements are obtained using $106 \times 1 0^{6}$ $ψ^{'}$ events accumulated with the BESIII detector a…

hep-ex2012★ 201 cited

Search for hadronic transition $χ_{c J} \to η_{c} π^{+} π^{-}$ and observation of $χ_{c J} \to K K ˉ π π π$

The BESIII Collaboration, M. Ablikim, M. N. Achasov +339

Hadronic transitions of $χ_{c J} \to η_{c} π^{+} π^{-}$ (J=0, 1, 2) are searched for using a sample of $1.06 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector at the BE…

hep-ex2012

First observation of the isospin violating decay $J / ψ \to Λ Σ ˉ^{0} + c . c .$

M. Ablikim, M. N. Achasov, D. J. Ambrose +353

Using a sample of $(225.2 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we present results of a study of $J / ψ \to γ Λ Λ ˉ$ and report the first observ…

hep-ex2012★ 46 cited

Observation of two new $N^{*}$ resonances in $ψ (3686) \to p p ˉ π^{0}$

BESIII Collaboration

Based on 106 $\times 1 0^{6} ψ (3686)$ events collected with the BESIII detector at the BEPCII facility, a partial wave analysis of $ψ (3686) \to p p ˉ π^{0}$ is performed. The bra…

hep-ex2012

First observation of the M1 transition $ψ (3686) \to γ η_{c} (2 S)$

M. Ablikim, M. N. Achasov, D. J. Ambrose +356

Using a sample of 106 million ψ(3686) events collected with the BESIII detector at the BEPCII storage ring, we have made the first measurement of the M1 transition between the radi…

hep-ex2011★ 95 cited

Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays

BESIII Collaboration

A partial wave analysis of the $p p ˉ$ mass-threshold enhancement in the reaction $J / ψ \to γ p p ˉ$ is used to determine: its $J^{P C}$ quantum numbers to be $0^{-+}$ ; i…

hep-ex2011★ 12 cited

Search for $η_{c}^{'}$ decays into vector meson pairs

The BESIII Collaboration

The processes $\etacpto ρ^{0}ρ^{0}$, $K^{* 0} K ˉ^{* 0}$ , and $ϕϕ$ are searched for using a sample of $1.06 \times 1 0^{8}$ $\psip$ events collected with the BESIII detector at the B…

hep-ex2011★ 16 cited

Higher-order multipole amplitude measurement in $ψ (2 S) \to γ χ_{c 2}$

BESIII Collaboration

Using $106 \times 1 0^{6}$ $ψ (2 S)$ events collected with the BESIII detector at the BEPCII storage ring, the higher-order multipole amplitudes in the radiative transition $ψ(2S)\toγχ_{c…

hep-ex2011★ 36 cited

Search for a light exotic particle in J/psi radiative decays

BESIII Collaboration

Using a data sample containing 1.06x10^8 psi' events collected with the BESIII detector at the BEPCII electron-positron collider, we search for a light exotic particle X in the pro…

hep-ex2011★ 35 cited

Study of resonant structure around 1.8 GeV/ $c^{2}$ and $η (1405)$ in $J / ψ \to ω η π^{+} π^{-}$

BESIII Collaboration

We present results of a study of the decay $J / ψ \to ω η π^{+} π^{-}$ using a sample of $(225.2 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector, and report the observ…

hep-ex2011★ 12 cited

Observation of χ_{cJ} decaying into the p\bar{p}K^{+}K^{-} final state

BESIII Collaboration

First measurements of the decays of the three $χ_{c J}$ states to $p p ˉ K^{+} K^{-}$ final states are presented. Intermediate $ϕ \to K^{+} K^{-}$ and $Λ (1520) \to p K^{-}$ resonance s…

hep-ex2011★ 154 cited

Study of $χ_{c J}$ radiative decays into a vector meson

BESIII Collaboration

The decays $χ_{c J} \to γ V$ ( $V = ϕ, ρ^{0}, ω$ ) are studied with a sample of radiative $\psip\toγχ_{cJ}$ events in a sample of $(1.06\pm0.04)\times 10^{8} \psip$ events collected with the…

hep-ex2011★ 39 cited

Measurement of the Matrix Element for the Decay $η^{'} \to η π^{+} π^{-}$

The BESIII Collaboration

The Dalitz plot of $η^{'} \to η π^{+} π^{-}$ decay is studied using $(225.2 \pm 2.8) \times 1 0^{6}$ $\jpsi$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider. Wi…

hep-ex2010★ 8 cited

First Observation of the Decays chi_{cJ} -> pi^0 pi^0 pi^0 pi^0

BESIII Collaboration

We present a study of the P-wave spin -triplet charmonium chi_{cJ} decays (J=0,1,2) into pi^0 pi^0 pi^0 pi^0. The analysis is based on 106 million \psiprime decays recorded with th…

hep-ex2010★ 152 cited

Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'

BESIII Collaboration

With a sample of (225.2\pm2.8)*10^{6} J/psi events registered in the BESIII detector, J/psi->gamma pi^+ pi^- eta' is studied using two eta' decay modes: eta'->pi^+ pi^- eta and eta…

hep-ex2010★ 50 cited

Study of a0(980)--f0(980) mixing

The BESIII Collaboration

Using samples of 2.25*10^8 J/psi events and 1.06*10^8 psi' events collected with the BES III detector, we study the f0(980) to a0(980) and a0(980) to f0(980) transitions in the pro…

hep-ex2010★ 96 cited

Measurements of h_c(^1P_1) in psi' Decays

The BESIII Collaboration

We present measurements of the charmonium state $h_{c} (^{1} P_{1})$ made with 106M $ψ^{'}$ events collected by BESIII at BEPCII. Clear signals are observed for $ψ^{'} \to π^{0} h_{c}$ with and withou…

hep-ex2010★ 162 cited

Branching fraction measurements of χ_{c0} and χ_{c2} to π^0π^0 and ηη

The BESIII Collaboration

Using a sample of 1.06 \times 10^8 ψ^{\prime} decays collected by the BESIII detector, χ_{c0} and χ_{c2} decays into π^0π^0 and ηηare studied. The branching fraction results are Br…

Partial wave analysis of ψ(2S)→ppˉ​η

Study of ψ(3686)→ωKKˉπ decays

Observation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

Study of J/ψ→ωppˉ​ at BESIII

Precision measurements of branching fractions for ψ′→π0Jψ and ηJψ

Search for hadronic transition χcJ​→ηc​π+π− and observation of χcJ​→KKˉπππ

First observation of the isospin violating decay J/ψ→ΛΣˉ0+c.c.

Observation of two new N∗ resonances in ψ(3686)→ppˉ​π0

First observation of the M1 transition ψ(3686)→γηc​(2S)

Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays

Search for ηc′​ decays into vector meson pairs

Higher-order multipole amplitude measurement in ψ(2S)→γχc2​

Search for a light exotic particle in J/psi radiative decays

Study of resonant structure around 1.8 GeV/c2 and η(1405) in J/ψ→ωηπ+π−

Observation of χ_{cJ} decaying into the p\bar{p}K^{+}K^{-} final state

Study of χcJ​ radiative decays into a vector meson

Measurement of the Matrix Element for the Decay η′→ηπ+π−

First Observation of the Decays chi_{cJ} -> pi^0 pi^0 pi^0 pi^0

Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'

Study of a0(980)--f0(980) mixing

Measurements of h_c(^1P_1) in psi' Decays

Branching fraction measurements of χ_{c0} and χ_{c2} to π^0π^0 and ηη

Partial wave analysis of $ψ (2 S) \to p p ˉ η$

Study of $ψ (3686) \to ω K K ˉ π$ decays

Study of $J / ψ \to ω p p ˉ$ at BESIII

Precision measurements of branching fractions for $ψ^{'} \to π^{0} J ψ$ and $η J ψ$

Search for hadronic transition $χ_{c J} \to η_{c} π^{+} π^{-}$ and observation of $χ_{c J} \to K K ˉ π π π$

First observation of the isospin violating decay $J / ψ \to Λ Σ ˉ^{0} + c . c .$

Observation of two new $N^{*}$ resonances in $ψ (3686) \to p p ˉ π^{0}$

First observation of the M1 transition $ψ (3686) \to γ η_{c} (2 S)$

Search for $η_{c}^{'}$ decays into vector meson pairs

Higher-order multipole amplitude measurement in $ψ (2 S) \to γ χ_{c 2}$

Study of resonant structure around 1.8 GeV/ $c^{2}$ and $η (1405)$ in $J / ψ \to ω η π^{+} π^{-}$

Study of $χ_{c J}$ radiative decays into a vector meson

Measurement of the Matrix Element for the Decay $η^{'} \to η π^{+} π^{-}$