J. Becker

activity

20112020

most citedObservation of a charged charmoniumlike structure Z_c(4020) and search for the Z_c(3900) in e+e- to pi+pi-h_c

459 citations · 1.3k across the 17 of their papers we have counts for

collaborators

Showing 2012Show all

7 papers · 1 filter

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

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★ 44 cited

Observation of $e^{+} e^{-} \to η J / ψ$ at center-of-mass energy $s q r t s = 4.009$ GeV

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

Using a 478 pb $^{- 1}$ data sample collected with the BESIII detector operating at the BEPCII storage ring at a center-of-mass energy of $s = 4.009$ GeV, the production of $e^{…

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

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-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★ 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…

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

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

Observation of e+e−→ηJ/ψ at center-of-mass energy sqrts=4.009 GeV

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

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

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

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