Stringy Mass Squared Splittings Revisited

Details Stringy Mass Squared Splittings Revisited Stringy Mass Squared Splittings Revisited

1998-02-09

arxiv.org/abs/hep-ph/9802283v1

Phys.Rev. D59 (1999) 036001

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages TeX, 1 eps figure, uses mtexsis.tex

Scientific paper

10.1103/PhysRevD.59.036001

An empirically successful mass formula derived long ago from hadronic string models is not explained by symmetries of the QCD lagrangian. Consider that M(rho)^2-M(pi)^2 = M(K*)^2-M(K)^2 to a few percent accuracy. We derive this and other equal spacing relations using chiral symmetry and a novel Z_2 symmetry. We offer an interpretation of this Z_2 symmetry as a manifestation of chiral anomalies in a gauge theory with an intrinsic cutoff.

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