R. E. de Boer

activity

20202025

J/ ψ

events at BESIII

121 citations · 388 across the 18 of their papers we have counts for

collaborators

Showing 2021Show all

8 papers · 1 filter

hep-ex2021★ 121 cited

Number of $J/ ψ$ events at BESIII

BESIII Collaboration

Using inclusive decays of the $J/ ψ$ , a precise determination of the number of $J/ ψ$ events collected with the BESIII detector is performed. For the two data sets taken in 2…

hep-ex2021★ 3 cited

Observation of $J / ψ$ decays to $e^{+} e^{-} e^{+} e^{-}$ and $e^{+} e^{-} μ^{+} μ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +543

Using a data sample of $4.481 \times 1 0^{8} ψ^{'}$ events collected with the BESIII detector, we report the first observation of the four-lepton-decays $J / ψ \to e^{+} e^{-} e^{+} e^{-}$ and $J…

hep-ex2021★ 5 cited

Measurement of the absolute branching fractions of Jpsi to gamma eta and eta decay modes

BESIII Collaboration

Based on a data sample of (1.0087+-0.0044)x10^10 Jpsi events collected by the BESIII detector at the BEPCII accelerator, the absolute branching fraction (BF) of the decay Jpsi->gam…

hep-ex2021★ 11 cited

First Measurement of the Absolute Branching Fraction of $Λ \to p μ^{-} ν ˉ_{μ}$

M. Ablikim, M. N. Achasov, P. Adlarson +504

The absolute branching fraction of $Λ \to p μ^{-} ν ˉ_{μ}$ is reported for the first time based on an $e^{+} e^{-}$ annihilation sample of ten billion $J / ψ$ events collected with the BESII…

hep-ex2021★ 12 cited

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

BESIII Collaboration

The first amplitude analysis of the decay $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{0}$ is presented using the data samples, corresponding to an integrated luminosity of 6.32 fb $^{- 1}$ , collected with t…

hep-ex2021★ 14 cited

Observation of $D^{0} \to K_{1} (1270)^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +507

Using 2.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at a center-of-mass energy of 3.773 $GeV$ , the observation of the $D^{0} \to K_{1} (1270)^{-} e^{+} ν_{e}$ s…

hep-ex2021★ 10 cited

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

BESIII Collaboration

Using 6.32 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at the center-of-mass energies between 4.178 and 4.226 GeV,~an amplitude analysis of the $D^{+}_{s}…

hep-ex2021★ 3 cited

Study of $e^{+} e^{-} \to π^{0} X (3872) γ$ and search for $Z_{c} (4020)^{0} \to X (3872) γ$

M. Ablikim, M. N. Achasov, P. Adlarson +505

Using data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies from 4.178 to 4.600 GeV, we study the process $e^+e^-\rightarr…

Number of J/ψ events at BESIII

Observation of J/ψ decays to e+e−e+e− and e+e−μ+μ−

Measurement of the absolute branching fractions of Jpsi to gamma eta and eta decay modes

First Measurement of the Absolute Branching Fraction of Λ→pμ−νˉμ​

Amplitude analysis and branching fraction measurement of Ds+​→K−K+π+π0

Observation of D0→K1​(1270)−e+νe​

Amplitude analysis and branching-fraction measurement of Ds+​→KS0​K−π+π+

Study of e+e−→π0X(3872)γ and search for Zc​(4020)0→X(3872)γ

Number of $J/ ψ$ events at BESIII

Observation of $J / ψ$ decays to $e^{+} e^{-} e^{+} e^{-}$ and $e^{+} e^{-} μ^{+} μ^{-}$

First Measurement of the Absolute Branching Fraction of $Λ \to p μ^{-} ν ˉ_{μ}$

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

Observation of $D^{0} \to K_{1} (1270)^{-} e^{+} ν_{e}$

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

Study of $e^{+} e^{-} \to π^{0} X (3872) γ$ and search for $Z_{c} (4020)^{0} \to X (3872) γ$