Abstract
The application of our glueball-qq¯ filter to the centrally produced KK¯ system shows that the f 1(1285) and f 1(1420) have the same behaviour; namely consistent with the f 1(1420) being the partner to the f 1(1285) in the 3P1 nonet of axial mesons. We determine a flavour singletoctet mixing angle of ~ 50° for this nonet and highlight that the existence of the supposed f 1(1510) needs confirmation.
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Close, F.E., Kirk, A. Implications of the Glueball-qq¯ filter on the 1++ nonet. Z Phys C - Particles and Fields 76, 469–474 (1997). https://doi.org/10.1007/s002880050569
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DOI: https://doi.org/10.1007/s002880050569