PPT Slide
Meson Spectroscopy
Coupling to ?? can probe the quark content of mesons:
??? ? Qq4
Ex. J=2 nonet
??? (rel) ???
f2(1270) 1/?2 | uu + dd > 25 2.8 keV
a2(1320) 1/?2 | uu - dd > 9 1.0 keV
f2’(1525) | ss > 2 0.1 keV
For a pure glueball, ??? ? 0
Glueball Candidates:
f0(1550)
?(2230) [fJ(2230)]
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