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...Wood (Northeastern University) • C.Z. Yuan (IHEP, Beijing) • A.M. Zaitsev (IHEP, Protvino) • P. Zerwas (DESY) • C. Zhang (IHEP, Beijing) 4. Naming scheme for hadrons We introduced in the 1986 edition =-=[2]-=- a new naming scheme for the hadrons. Changes from older terminology affected mainly the heavier mesons made of u, d, and s quarks. Otherwise, the only important change to known hadrons was that the F...

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...y (it is somewhere between N k and N k−1), we July 24, 2008 19:25Introduction 13 do not know how to evaluate this expression. Instead we define S 2 r = 1 N k N k ∑ k=1 ( ) 2 Rrk − Rr 〈(Rrk − Rr) 2 . =-=(4)-=- 〉 With this definition the expected value of S 2 r is one. We can show that 〈(R rk − Rr) 2 〉 =(δR rk) 2 − (δRr) 2 , (5) where δRr is the fitted error for ratio r. The fit is redone using errors for t...