Tests of the quark-line rule for the $η - η^{'}$ complex

Publisher Website

1 January 1977

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 15 (1) , 177-183
https://doi.org/10.1103/physrevd.15.177

Abstract

The quark-line rule involving

η

and

η^{'}

mesons has been tested for reactions

π^{+} p \to η Δ^{+ +}

,

π^{+} p \to η η

,

p \bar{p} \to π^{+} π^{-} η

, etc. The results appear to be consistent with a general particle-mixing model for the

η - η

complex, and suggest that the validity of the rule is fairly reasonable. Other experimental tests of the rule are also discussed.

Keywords

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