The spectroscopy of light mesons

A review is given of the most recent experimental data on light meson resonances together with a phenomenological analysis incorporating all the basic ideas of QCD. The following topics are discussed in greater detail: (1) the scalar meson problem; (2) the axial meson problem; (3) spin-spin and spin-orbit splitting in meson multiplets; (4) SU$^f_3$ and OZI (Okubo--Zweig--Iizuka) breaking in meson spectra and decays; (5) SU$^f_3$ breaking in Regge trajectories and in radial excitations; (6) quark mixing in isoscalar mesons ($\eta$-$\eta'$, $\omega$-$\varphi$, $f$-$f'$); (7) experimental determinations of the $\eta$-$\eta'$ mixing angle, and (8) radiative decays of vector and pseudoscalar mesons.

PACS: 14.40.−n, 12.35.Eq, 13.40.Hq, 12.40.Mm (all)
DOI: 10.1070/PU1982v025n06ABEH004560
URL: https://ufn.ru/en/articles/1982/6/a/
Citation: Filippov A T "The spectroscopy of light mesons" Sov. Phys. Usp. 25 371–391 (1982)

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Оригинал: Филиппов А Т «Спектроскопия легких мезонов» УФН 137 201–236 (1982); DOI: 10.3367/UFNr.0137.198206a.0201

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