New RF structures for the Fermilab Linac Injector

The critical parameters which may limit the luminosity of the Fermilab Tevatron Collider are the beam intensity and emittance growth at each stage in the acceleration chain. It is commonly believed that the major emittance growth occurs at the low energy acceleration stage. In this paper we examine recent advances in RFQ, DTL and superconducting linac technology that should permit a significant increase in the beam brightness of the Fermilab Linac.