Abstract
It is shown that a likely interpretation of theb ±1 π∓ mass spectrum from diffractive photoproduction is that it is due to contributions from the ω3(1670), in accord with corresponding production of the ρ3(1690), and from a further peak with a mass of 1.88±0.04 GeV and a width ≦0.3 GeV. The possibility that this latter peak can be due to a group of\(q\bar qg\) hybrid states, as proposed by Isgur and Paton, is explored.
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Omega Photon Collaboration., Atkinson, M., Axon, T.J. et al. Diffractive photoproduction of ab 1π system. Z. Phys. C - Particles and Fields 34, 157–162 (1987). https://doi.org/10.1007/BF01566756
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DOI: https://doi.org/10.1007/BF01566756