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HK: Fachverband Physik der Hadronen und Kerne

HK 47: Hadron Structure and Spectroscopy 10

HK 47.8: Talk

Wednesday, March 25, 2015, 16:15–16:30, T/SR25

Extending the alpha/beta rule for accurate calculation of meson masses to baryons — •Karl Otto Greulich — Fritz Lipmann Instute, Beutenbergstr.11,D07745 Jena

The alpha/beta rule: m (particle) = alpha power to -n x beta power to m x 27,2 eV/c2 has recently been reported to predict, for n=3 and m=0, a mass of 70,02 MeV/c2 (K.O.Greulich, DPG Spring meeting 2014, Frankfurt, HK 18.5). Thereby alpha is the fine structure constant (= 1/137,036), beta is the proton vs. electron mass ratio (= 1836,12); m and n are integers. The predicted mass is a sort of building block for most mesons and allows accurate calculation of their masses. Here it is reported that the masses of a number of baryons also fit into this scheme.