CLAS g12 EXPERIMENT
CLAS g12 EXPERIMENT
CLAS g12 EXPERIMENT
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Excited Strange Mesons<br />
- Free quarks and gluons haven’t been seen in nature due to the confinement of<br />
quarks.<br />
- Different meson and baryon states are represented according to their total angular<br />
momentum J, the parity P, and the charge conjugation C.<br />
J = L + S<br />
P = (-1) L+1<br />
C = (-1) L+S<br />
allowed J PC = 0 -+ , 0 ++ ,1 -- ,1 +- . . .<br />
- QCD also predicts meson states that are beyond the constituent quark model<br />
(hybrids, glueballs, multi-quark states), these are called “Exotic Mesons”.<br />
exotic J PC = 0 -- , 0 +- ,1 -+ ,2 +- . . .<br />
Hussein Al Ghoul, Prospectus Defense 2013<br />
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