The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
TY - CONF AU - Draganic, I.N. AU - Kleinjan, D. AU - Rouleau, G. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - H⁺ and H⁻ Ion Beam Injectors at LANSCE: Beam Production Status and Planned Injector Upgrades J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The Los Alamos Neutron Science Center operates with two 750 keV Cockcroft-Walton accelerators for simultaneous injection of H⁺ and H⁻ ion beams into a 800 MeV linear accelerator. The proton ion beam is produced using a duoplasmatron source and the H⁻ ion beam is formed with a cesiated, multi-cusp-field, surface converter ion source. An overview of ion injector status, recent low energy beam transport line optimizations and ion source performance improvements will be presented. To reduce long term operational risks and to improve existing LANSCE beam production for all facility users, new injector upgrades are underway: 1) replacing the H⁺ CW injector with a Radio-Frequency Quadruple accelerator and 2) increasing H⁻ ion beam brightness and extending source lifetime using the novel SNS RF negative ion source. The status of upgrade projects will be discussed. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2087 EP - 2089 KW - ion-source KW - plasma KW - cathode KW - proton KW - LEBT DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-TUPTS071 UR - http://jacow.org/ipac2019/papers/tupts071.pdf ER -