Determination of the number of psi ' events at BESIII
Citation
Ablikim, M., Achasov, M. N., Albayrak, O., Ambrose, D. J., An, F. F., An, Q. ... BESIII Collaboration. (2013). Determination of the number of psi ' events at BESIII. Chinese Physics C, 37 (6). https://dx.doi.org/10.1088/1674-1137/37/6/063001.Abstract
The number of psi' events accumulated by the BESIII experiment from March 3 through April 14, 2009, is determined by counting inclusive hadronic events. The result is 106.41x(1.00+/-0.81%)x10(6). The error is systematic dominant; the statistical error is negligible.