e+e- --> e+e- pi0 pi0 at Daphne

Abstract

The production of the sigma(500) meson in gamma gamma --> pi0 pi0 is studied. In particular, the KLOE data collected during the DAPHNE run at sqrt(s)= 1 GeV are appropriate to this purpose because of the strong reduction of Kaon backgrounds.

13 pages, 9 figures, few comments added

References in corpus (7)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Mass and width of the lowest resonance in QCD
• A new look at scalar mesons
• The $\sigma$ pole in $J/\psi \to \omega {\pi }^{+}{\pi }^{-}$
• Measurement of the Cabibbo-Kobayashi-Maskawa angle gamma in B-+ -> D(*)K-+ decays with a Dalitz analysis of D -> K0s pi- pi+
• Low-energy photon-photon collisions to two loops revisited
• Study of the Processes e+ e- --> eta gamma, e+ e- --> pi0 gamma --> 3 gamma in the c.m. Energy Range 600--1380 MeV at CMD-2

Cited by in corpus (5)

• Physics with the KLOE-2 experiment at the upgraded DA$\varphi$NE
• Measurement of η meson production in γγ interactions and Γ(η-->γγ) with the KLOE detector
• EKHARA Monte Carlo generator for e+e- to e+e-pi0 and e+e- to e+e- pi+pi- processes
• Prospects for e+e- physics at Frascati between the phi and the psi
• New Physics contamination to precision luminosity measurements at future $e^{+}{e}^{-}$ colliders