Measurement of the B+/B0 production ratio from the Υ(4S) meson using B+→J/ψK+ and B0→J/ψKS0 decays - art. no. 071101 - Aubert,B; Barate,R; Boutigny,D; Couderc,F; Gaillard,JM; Hicheur,A; Karyotakis,Y; Lees,JP; Tisserand,V; Zghiche,A; Palano,A; Pompili,A; et al. (PHYSICAL REVIEW D, 2004)