On the miracle of the Coleman-Glashow and other baryon mass formulas

Details On the miracle of the Coleman-Glashow and other baryon mass formulas On the miracle of the Coleman-Glashow and other baryon mass formulas

2000-04-20

arxiv.org/abs/hep-ph/0004198v1

Phys.Lett.B481:239-244,2000; ERRATUM-ibid.B485:429,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages,Latex

Scientific paper

10.1016/S0370-2693(00)00480-9

Due to a new measurement of the Xi(0) mass,the Coleman-Glashow formula for the baryon octet e.m. masses (derived using unbroken SU(3) is satisfied to an extraordinary level of precision.The same unexpected precision exists for the Gell-Mann Okubo formula and for its octet-decuplet extension (G.Morpurgo,Phys.Rev.Lett. 68(1992)139).We show that the old question "why do they work so well?" is now answered by the general parameterization method.

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