Recently it has been demonstrated that particle factories, such as DAPhiNE and PEP-II, operating at fixed center-of-mass energies, are able to measure hadronic cross sections as a function of the hadronic system energy using the radiative return. This paper is an experimental overview of the progress in this area. Preliminaxy results from KLOE for the process e(+)e(-) --> pgamma --> pi(+)pi(-)gamma and a fit to the pion form factor axe presented. Some first results from the BABAR collaboration are also shown.
Measuring the hadronic cross-section via radiative return
GORINI, Edoardo;PRIMAVERA, Margherita;VENTURA, Andrea
2003-01-01
Abstract
Recently it has been demonstrated that particle factories, such as DAPhiNE and PEP-II, operating at fixed center-of-mass energies, are able to measure hadronic cross sections as a function of the hadronic system energy using the radiative return. This paper is an experimental overview of the progress in this area. Preliminaxy results from KLOE for the process e(+)e(-) --> pgamma --> pi(+)pi(-)gamma and a fit to the pion form factor axe presented. Some first results from the BABAR collaboration are also shown.File in questo prodotto:
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