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Number of events at BESIII
BESIII Collaboration
Using inclusive decays of the , a precise determination of the number of events collected with the BESIII detector is performed. For the two data sets taken in 2…
Observation of decays to and
BESIII Collaboration, M. Ablikim, M. N. Achasov +543
Using a data sample of events collected with the BESIII detector, we report the first observation of the four-lepton-decays and $J…
Measurement of the cross sections at center-of-mass energies from to GeV
M. Ablikim, M. N. Achasov, P. Adlarson +484
The Born cross sections of are measured at center-of-mass energies from to GeV using data samples with an integrated luminosity of…
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…
First Measurement of the Absolute Branching Fraction of
M. Ablikim, M. N. Achasov, P. Adlarson +504
The absolute branching fraction of is reported for the first time based on an annihilation sample of ten billion events collected with the BESII…
New Features in the Electromagnetic Structure of the Neutron
M. Ablikim, M. N. Achasov, P. Adlarson +504
Here we present new results for the Born cross section and the effective form factor of the neutron at the center-of-mass energies between 2.0 and 3.08 GeV, using…