Modeling the threshold region in e+e- -> pi+pi-gamma for Radiative Return at DAPHNE

por Sergiy Ivashyn (University of Silesia)

martes 17 nov. 2009 12:00 → 13:00 Europe/Madrid

Sala Seminarios IFIC (Edf. Institutos de Investigación)

To improve the accuracy of the e+e- -> pi+pi-gamma Radiative Return method, one has to control the theoretical uncertainty of the final-state photon emission. It is of particular importance at DAPHNE for the analysis, where cuts are relaxed to cover the threshold region. By means of the Monte Carlo event generator PHOKHARA we compare several final-state radiation models and present results, relevant for a phi-meson factory.

Diapositivas transpis779.pdf