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hep-ex2012★ 48 cited
Determination of the number of event at BESIII
M. Ablikim, M. N. Achasov, D. J. Ambrose
The number of $\psp$ events accumulated by the BESIII experiment from March 3 through April 14, 2009, is determined by counting inclusive hadronic events. The result is $106.41\tim…
hep-ex2012
First observation of the M1 transition
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…