Using the initial-state radiation method, the e+e-→KSKL cross section from 1.98 to 2.54 GeV is measured in a data sample of 469 fb-1 collected with the BABAR detector. The results are used in conjunction with previous BABAR results for the e+e-→K+K-, e+e-→π+π-, e+e-→π+π-η, and e+e-→ωππ cross sections to investigate the nature of the resonance structure recently observed by the BESIII experiment in the e+e-→K+K- cross section.

Resonances in e+e- annihilation near 2.2 GeV RESONANCES in E+E- ANNIHILATION NEAR 2.2 GEV LEES J. P. et al

Bianchi F.;De Mori F.;
2020-01-01

Abstract

Using the initial-state radiation method, the e+e-→KSKL cross section from 1.98 to 2.54 GeV is measured in a data sample of 469 fb-1 collected with the BABAR detector. The results are used in conjunction with previous BABAR results for the e+e-→K+K-, e+e-→π+π-, e+e-→π+π-η, and e+e-→ωππ cross sections to investigate the nature of the resonance structure recently observed by the BESIII experiment in the e+e-→K+K- cross section.
2020
101
1
012011-1
012011-9
Lees J.P.; Poireau V.; Tisserand V.; Grauges E.; Palano A.; Eigen G.; Brown D.N.; Kolomensky Y.G.; Fritsch M.; Koch H.; Schroeder T.; Cheaib R.; Heart...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/1809017
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