A partial wave analysis of the centrally produced $K^{+}K^{-}$ and $K^{0}_{s}K^{0}_{s}$ systems in pp interactions at 450 GeV/c and new information on the spin of the $f_{1}$ (1710)
A partial wave analysis of the centrally produced K+K- and K0K0 channels has been performed in pp collisions using an incident beam momentum of 450 GeV/c. An unambiguous physical solution has been found in each channel. The striking feature is the observation of peaks in the S-wave corresponding to...
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Veröffentlicht in: | Physics letters. B 1999, Vol.453, p.305-315 |
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Sprache: | eng |
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Zusammenfassung: | A partial wave analysis of the centrally produced K+K- and K0K0 channels has been performed in pp collisions using an incident beam momentum of 450 GeV/c. An unambiguous physical solution has been found in each channel. The striking feature is the observation of peaks in the S-wave corresponding to the f0(1500) and fJ(1710) with J = 0. The D-wave shows evidence for the f2(1270)/a2(1320), the f2(1525) and the f2(2150) but there is no evidence for a statistically significant contribution in the D-wave in the 1.7 GeV mass region. |
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ISSN: | 0370-2693 |