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Resonances in e(+) e(-) annihilation near 2.2 GeV

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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.

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Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Resonances in e(+) e(-) annihilation near 2.2 GeV