FINUDA and hypernuclei production at DAωNE

The DAωNE project at the Laboratori Nazionali di Frascati (LNF) is an e + e − collider with electron and positron beams accelerated to 510 MeV by a Linac injector. DAωNE is designed to reach a top luminosity L ∼ 10 33 cm −2 s −1 , that is, to produce ∼4×10 3 ω (1020) s −1 . The hypernuclear research program at DAωNE relies on low-energy kaons, ∼ 16MeV, being produced by ω-meson decays at rest: ω → K − K + with a B.R.∼49%. In the initial stage, DAωNE will operate at a L ∼ 10 32 cm −2 s −1 , however the number of ω produced, and the large geometrical acceptance of the FINUDA detector, ∼ 3 sr , will allow a strong hypernuclear physics program to be pursued.