DOE OSTI · 3377267
Universal Injector at LERF – Baseline Design
Abstract
A new electron injector complex has been proposed within the Low Energy Recirculating Facility (LERF) vault, which would serve both the 22 GeV CEBAF and the positron programs, while being compatible with the electron source required to produce positrons for Ce+BAF. The baseline design of a 3-pass recirculator features a main linac configured with three cryomodules, five isochronous arcs and three straight sections, allowing electron beam acceleration up to 650 MeV. The injector offers the flexibility to extract 1-pass and 2-pass energy electrons, as needed for positron production, with final reconfiguration to a 3-pass 650 MeV injector for 22 GeV CEBAF. This paper provides an overview of the baseline design of the Universal injector complex, including the 8 MeV injector and the recirculator. A comprehensive suite of beam dynamics studies to validate our design is being launched, starting with start-to-end tracking with Elegant followed by the orbit correction and error mitigation.
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Bogacz, A. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Hernandez-Garcia, C. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Neththikumara, I. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Grames, J. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Gubeli, J. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Jordan, K. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Bruker, M. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Sereno, N. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Ogur, S. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Satogata, T. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)], Fomin, A. [Univ. Paris-Saclay, Gif-sur-Yvette (France)], Lizárraga-Rubio, V. [Universidad de Guanajuato]. 2026-05-22. Universal Injector at LERF – Baseline Design. https://doi.org/10.18429/jacow-ipac2026-thp5314
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