PEP-N: A 0.8 GEV X 3.1 GEV COLLIDER AT SLAC*

The PEP-N project is a proposed new e+e- collider at SLAC to operate in the center of mass energy range of 1.0 GeV to 3.1 GeV. PEP-N consists of a new Very Low Energy electron Ring VLER (<800 MeV) to collide with the PEP-II e+ Low Energy Ring LER (3.1 GeV) parasitically to PEP-II operation for BaBar. Since the e+ ring has a fixed energy, the very low energy ring needs an energy range of 100 MeV to 800 MeV. This collider would likely be placed in Experimental Hall 12 of the PEP-II complex and have its own dedicated 800 MeV e-injector. The peak luminosity should reach 2 x 1031/cm2/s. 1 PEP-N COLLIDER We discuss the parameters for an “e+ e---> N Nbar or multi-hadrons ” collider based at PEP-II [1,2]. The plan i