Speaker
Alberto Lusiani
(Scuola Normale Superiore and INFN Pisa)
Description
Measurements of low-energy $e^+e^-$ hadronic cross sections are of fundamental importance because of the approximately three sigma discrepancy between the current measured value of the muon anomalous magnetic moment (g-2) and the Standard Model prediction.
By means of the initial-state-radiation technique, we present the first measurements of the $e^+e^- \to K_S K_L \pi^0$, $K_S K_L \eta$ and $K_S K_L \pi^0 \pi^0$ cross sections, and the study of their intermediate resonance structure, using 469 ${\mathrm{fb}}^{-1}$ of data collected with the BaBar detector at SLAC. Initial-state radiation events are also used to study the processes $e^+e^- \to K_S K^+ \pi^- \pi^0$ and $K_S K^+ \pi^- \eta$, and their intermediate states.
| Experimental Collaboration | BABAR |
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