DAΦNE Φ-factory upgrade for Siddharta run
An upgrade of the DAΦNE Φ-Factory  at LNF is planned in view of the installation of the Siddharta detector  in fall 2007. A new Interaction Region suitable to test the large Piwinski angle and crab waist (CW) collision schemes will be installed. Other machine improvements, such as new injection kickers, bellows and beam pipe layouts will be realized, with the goal of reaching luminosity of the order of 1033/cm2/s. The principle of operation of the new scheme, together with hardware designs and simulation studies, are presented. ©2007 IEEE.