DAFNE

DAFNE or DAΦNE (Double Annular Φ Factory for Nice Experiments), is an electron-positron collider at the INFN Frascati National Laboratory in Frascati, Italy.

[1][2] It consists of 2 accelerator rings, both approximately 100 meters in length.

Since 1999 it has been colliding electrons and positrons at a center of mass energy of 1.02 GeV to create phi mesons (φ).

85% of these decay into kaons (K), whose physics is the subject of most of the experiments at DAFNE.

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