Implications of the Glueball-qq¯ filter on the 1++ nonet |
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| Authors: | Frank E. Close Andrew Kirk |
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| Affiliation: | 1. Rutherford Appleton Laboratory, OX11 0QX, Chilton, Didcot, England
2. School of Physics and Astronomy, Birmingham University, Birmingham, UK
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| 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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