G.-M. Xu

activity

20112013

η (1405)

decays into

f_{0} (980) π^{0}

99 citations · 495 across the 20 of their papers we have counts for

collaborators

20 papers

hep-ex2013★ 16 cited

Search for Baryonic Decays of ψ(3770) and ψ(4040)

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

By analyzing data samples of 2.9 fb^{-1} collected at \sqrt s=3.773 GeV, 482 pb^{-1} collected at \sqrt s=4.009 GeV and 67 pb^{-1} collected at \sqrt s=3.542, 3.554, 3.561, 3.600 a…

hep-ex2013★ 28 cited

Observation of a structure at 1.84 GeV/c $^{2}$ in the $3 (π^{+} π^{-})$ mass spectrum in $J / ψ \to γ 3 (π^{+} π^{-})$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +362

With a sample of 225.3 million $J / ψ$ events taken with the BESIII detector, the decay $J / ψ \to γ 3 (π^{+} π^{-})$ is analyzed. A structure at 1.84 GeV/c $^{2}$ is observed in the $3(π…

hep-ex2013★ 16 cited

Search for the Lepton Flavor Violation Process $J / ψ \to e μ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

We search for the lepton-flavor-violating decay of the $J / ψ$ into an electron and a muon using $(225.3 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the B…

hep-ex2013★ 27 cited

Measurement of $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ and $η^{'} \to π^{+} π^{-} μ^{+} μ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

Based on a sample of 225.3 million J/ψevents accumulated with the BESIII detector at the BEPCII, the decays of η' to pi+pi-l+l- are studied via J/ψto γη'. A clear η' signal is obse…

hep-ex2013★ 60 cited

Partial wave analysis of $J / ψ \to γ η η$

M. Ablikim, M. N. Achasov, O. Albayrak +358

Based on a sample of $2.25 \times 1 0^{8}$ $J / ψ$ events collected with the BESIII detector at BEPCII, a full partial wave analysis on $J / ψ \to γ η η$ was performed using the relativistic…

hep-ex2012★ 38 cited

Study of the near-threshold $ω ϕ$ mass enhancement in doubly OZI suppressed $J / ψ \to γ ω ϕ$ decays

M. Ablikim, M. N. Achasov, O. Albayrak +348

A 2.25 $\times 1 0^{8}$ $\jpsi$ event sample accumulated with the BESIII detector is used to study the doubly OZI suppressed decay modes $\jpsi\toγ\of$, $ω\to\ppp$, $ϕ\to\kk$. A strong…

hep-ex2012★ 7 cited

Observation of $η_{c}$ decay into $Σ^{+} Σ ˉ^{-}$ and $Ξ^{-} Ξ ˉ^{+}$ final states

The BESIII Collaboration, M. Ablikim, M. N. Achasov +349

Using a data sample of $2.25 \times 1 0^{8}$ $J / ψ$ events collected with the BESIII detector, we present the first observation of the decays of $η_{c}$ mesons to $Σ^{+} Σ ˉ^{-}$ and…

hep-ex2012★ 16 cited

Measurement of $χ_{c J}$ decaying into $p n ˉ π^{-}$ and $p n ˉ π^{-} π^{0}$

M. Ablikim, M. N. Achasov, O. Albayrak +345

Using a data sample of $1.06 \times 1 0^{8}$ $\psip$ events collected with the BESIII detector in 2009, the branching fractions of $χ_{c J} \to p n ˉ π^{-}$ and $χ_{cJ}\to p\bar{n}π…

hep-ex2012★ 55 cited

Study of $ψ (3686) \to π^{0} h_{c}, h_{c} \to γ η_{c}$ via $η_{c}$ exclusive decays

The BESIII Collaboration, M. Ablikim, M. N. Achasov +346

The process $ψ (3686) \to π^{0} h_{c}, h_{c} \to γ η_{c}$ has been studied with a data sample of $106 \pm 4$ million $ψ (3686)$ events collected with the BESIII detector at the BEPCII storage…

hep-ex2012★ 24 cited

Search for $η$ and $η^{'}$ Invisible Decays in $J / ψ \to ϕ η$ and $ϕ η^{'}$

M. Ablikim, M. N. Achasov, O. Albayrak +340

Using a sample of $(225.3 \pm 2.8) \times 1 0^{6}$ $J / ψ$ decays collected with the BESIII detector at BEPCII, searches for invisible decays of $η$ and $η^{'}$ in $J / ψ \to ϕ η$ and $ϕη…

hep-ex2012★ 5 cited

Experimental study of psi' decays to K+K- pi^0 and K+K- eta

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

Using $(106 \pm 4) \times 1 0^{6}$ $\psip$ events accumulated with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider, we present measurements of the branching fractions for psi' decays…

hep-ex2012★ 18 cited

Evidence for $η_{c} \to γ γ$ and Measurement of $J / ψ \to 3 γ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +340

The decay of $J / ψ$ to three photons is studied using $ψ (3686) \to π^{+} π^{-} J / ψ$ in a sample of $1.0641 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector. Evidence of the di…

hep-ex2012★ 20 cited

Two-photon widths of the $χ_{c 0, 2}$ states and helicity analysis for $χ_{c2}\arγγ$}

BESIII Collaboration, M. Ablikim, M. N. Achasov +354

Based on a data sample of 106 M $ψ^{'}$ events collected with the BESIII detector, the decays $ψ^{\prime}\arγχ_{c0, 2}$,$χ_{c0, 2}\arγγ$ are studied to determine the two-photo…

hep-ex2012

Study of $J / ψ \to p p ˉ$ and $J / ψ \to n n ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +354

The decays $J / ψ \to p p ˉ$ and $J / ψ \to n n ˉ$ have been investigated with a sample of 225.2 million $J / ψ$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ coll…

hep-ex2012★ 10 cited

Evidence for the Direct Two-Photon Transition from $ψ (3686)$ to $J / ψ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +354

The two-photon transition $ψ (3686) \to γ γ J / ψ$ is studied in a sample of 106 million $ψ (3686)$ decays collected by the BESIII detector. The branching fraction is measured to be $(3.1\…

hep-ex2012★ 19 cited

Precision measurement of the branching fractions of J/psi -> pi+pi-pi0 and psi' -> pi+pi-pi0

BESIII Collaboration, M. Ablikim, M. N. Achasov +345

We study the decays of the J/psi and psi' mesons to pi+pi-pi0 using data samples at both resonances collected with the BES III detector in 2009. We measure the corresponding branch…

hep-ex2012★ 99 cited

First observation of $η (1405)$ decays into $f_{0} (980) π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +332

The decays $J / ψ \to γ π^{+} π^{-} π^{0}$ and $J / ψ \to γ π^{0} π^{0} π^{0}$ are analyzed using a sample of 225 million $\jpsi$ events collected with the BESIII detector. The decay of $η…

hep-ex2011

Measurements of the mass and width of the eta_c using psi' -> gamma eta_c

BESIII Collaboration, M. Ablikim, M. N. Achasov +332

The mass and width of the lowest lying S-wave spin singlet charmonium state, the eta_c, are measured using a data sample of 1.06x10^8 psi' decays collected with the BESIII detector…

hep-ex2011★ 7 cited

Search for CP and $P$ violating pseudoscalar decays into $π π$

The BESIII Collaboration, M. Ablikim

Using a sample of $(225.2 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected with the Beijing Spectrometer (BESIII) at the Beijing Electron-Positron Collider, CP and $P$ violating decays o…

hep-ex2011★ 30 cited

Observation of $χ_{c 1}$ decays into vector meson pairs $ϕϕ$ , $ω ω$ , and $ω ϕ$

M. Ablikim, M. N. Achasov, L. An +319

Decays of $χ_{c 1}$ to vector meson pairs $ϕϕ$ , $ω ω$ and $ω ϕ$ are observed for the first time using $(106 \pm 4) \times 1 0^{6}$ $\psip$ events accumulated at the BESIII detector at the B…

Search for Baryonic Decays of ψ(3770) and ψ(4040)

Observation of a structure at 1.84 GeV/c2 in the 3(π+π−) mass spectrum in J/ψ→γ3(π+π−) decays

Search for the Lepton Flavor Violation Process J/ψ→eμ at BESIII

Measurement of η′→π+π−e+e− and η′→π+π−μ+μ−

Partial wave analysis of J/ψ→γηη

Study of the near-threshold ωϕ mass enhancement in doubly OZI suppressed J/ψ→γωϕ decays

Observation of ηc​ decay into Σ+Σˉ− and Ξ−Ξˉ+ final states

Measurement of χcJ​ decaying into pnˉπ− and pnˉπ−π0

Study of ψ(3686)→π0hc​,hc​→γηc​ via ηc​ exclusive decays

Search for η and η′ Invisible Decays in J/ψ→ϕη and ϕη′

Experimental study of psi' decays to K+K- pi^0 and K+K- eta

Evidence for ηc​→γγ and Measurement of J/ψ→3γ

Two-photon widths of the χc0,2​ states and helicity analysis for $χ_{c2}\arγγ$}

Study of J/ψ→ppˉ​ and J/ψ→nnˉ

Evidence for the Direct Two-Photon Transition from ψ(3686) to J/ψ

Precision measurement of the branching fractions of J/psi -> pi+pi-pi0 and psi' -> pi+pi-pi0

First observation of η(1405) decays into f0​(980)π0

Measurements of the mass and width of the eta_c using psi' -> gamma eta_c

Search for CP and P violating pseudoscalar decays into ππ

Observation of χc1​ decays into vector meson pairs ϕϕ, ωω, and ωϕ

Observation of a structure at 1.84 GeV/c $^{2}$ in the $3 (π^{+} π^{-})$ mass spectrum in $J / ψ \to γ 3 (π^{+} π^{-})$ decays

Search for the Lepton Flavor Violation Process $J / ψ \to e μ$ at BESIII

Measurement of $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ and $η^{'} \to π^{+} π^{-} μ^{+} μ^{-}$

Partial wave analysis of $J / ψ \to γ η η$

Study of the near-threshold $ω ϕ$ mass enhancement in doubly OZI suppressed $J / ψ \to γ ω ϕ$ decays

Observation of $η_{c}$ decay into $Σ^{+} Σ ˉ^{-}$ and $Ξ^{-} Ξ ˉ^{+}$ final states

Measurement of $χ_{c J}$ decaying into $p n ˉ π^{-}$ and $p n ˉ π^{-} π^{0}$

Study of $ψ (3686) \to π^{0} h_{c}, h_{c} \to γ η_{c}$ via $η_{c}$ exclusive decays

Search for $η$ and $η^{'}$ Invisible Decays in $J / ψ \to ϕ η$ and $ϕ η^{'}$

Evidence for $η_{c} \to γ γ$ and Measurement of $J / ψ \to 3 γ$

Two-photon widths of the $χ_{c 0, 2}$ states and helicity analysis for $χ_{c2}\arγγ$}

Study of $J / ψ \to p p ˉ$ and $J / ψ \to n n ˉ$

Evidence for the Direct Two-Photon Transition from $ψ (3686)$ to $J / ψ$

First observation of $η (1405)$ decays into $f_{0} (980) π^{0}$

Search for CP and $P$ violating pseudoscalar decays into $π π$

Observation of $χ_{c 1}$ decays into vector meson pairs $ϕϕ$ , $ω ω$ , and $ω ϕ$