Determination of the number of ψ' events at BES Ⅲ

作者：麦迪娜; M.N.Achasovs; O.Albayrak; D.J.Ambrose; 安芬芬; 安琪; 白景芝; 班勇; J.Becker; J.V.Bennett; N.Berger; M.Bertani; 边渐鸣; E.Boger; O.Bondarenko; I.Boyko; R.A.Briere; V.Bytev; 蔡啸; O.Cakir; A.Calcaterra; 曹国富; S.A.Cetin; **帆; G.Chelkov; 陈刚; 陈和生; 陈江川; 陈玛丽; 陈申见; 谌勋; 陈元柏; 程和平; 初元萍; D.Cronin-Hennessy; 代洪亮; 代建平; D.Dedovich; 邓子艳; A.Denig; I.Denysenko; M.Destefanis; 丁伟民; 丁勇; 董燎原; 董明义; 杜书先; 方建; 房双世; L.Fava; 封常青; R.B.Ferroli; P.Friedel; 傅成栋; 高原宁; 耿聪; K.Goetzen; 龚文煊; W.Gradl; M.Greco; 顾旻皓; 顾运厅; 管颖慧; 郭爱强; 郭立波; 郭暾; 郭玉萍

来源：Chinese Physics C, 2013, 37(06): 3-13.

• ψ'
• inclusive
• hadron
• Bhabha

The number of ψ' 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×(1.00±0.81%)×106 . The error is systematic dominant; the statistical error is negligible.