Do L3 data indicate the existence of an isotensor meson ?
classification
✦ hep-ph
keywords
dataexistenceisotensoranalysisaroundcollaborationcollisionsexclusive
read the original abstract
The QCD analysis of the hard exclusive production of $\rho^+\rho^-$ and $\rho^0\rho^0$ mesons in two photon collisions shows that the recent experimental data obtained by the L3 Collaboration at LEP can be understood as a signal for the existence of an exotic isotensor resonance with a mass around $1.5 {\rm GeV}$.
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