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- W2019919289 abstract "Abstract We construct generalized gauge models of hadrons (and leptons) including π, ϱ, A1, π′, ϱ, A1, π′, ϱ′ A1′, … In these models, the pion may be taken a psuedo-Goldstone boson. In a lone loop approximation to the simplest of these models, we obtain a strikingly accurate pion mass, as a function of hadronic (large) parameters. In a supporting current algebra derivation, we see that the essential ingredients for the smallness are (a) asymptotic chiral symmetry and (b) a low energy cut-off imposed by Weinberg's second spectral function sum rule. The model also agrees with ϱ′ data, and predicts an A1′ around 3 (GeV)2. In addition, the pion form factor is essentially monopole, while the baryon form factors are dipole." @default.
- W2019919289 created "2016-06-24" @default.
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- W2019919289 date "1973-12-01" @default.
- W2019919289 modified "2023-09-27" @default.
- W2019919289 title "Hadronic origin of the pion mass" @default.
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- W2019919289 doi "https://doi.org/10.1016/0550-3213(73)90297-6" @default.
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