Determination of the number of psi(3686) events at BESIII
Künye
Kolcu O. B., Ablikim M., Ambrose D. J... Determination of the number of psi(3686) events at BESIII. Chinese Physics C. 2018; 42 (2): 1-12.Özet
The numbers of psi(3686) events accumulated by the BESIII detector for the data taken during 2009 and 2012 are determined to be (107.0 +/- 0.8)x10(6) and (341.1 +/- 2.1)x10(6), respectively, by counting inclusive hadronic events, where the uncertainties are systematic and the statistical uncertainties are negligible. The number of events for the sample taken in 2009 is consistent with that of the previous measurement. The total number of psi(3686) events for the two data taking periods is (448.1 +/- 2.9) x 10(6).
