Speaker
Description
The LANSCE Modernization Project (LAMP) aims at upgrading the front end of the LANSCE accelerator, involving one single radio-frequency quadrupole (RFQ) at 201.25 MHz for simultaneously accelerating both proton (H+) and negative hydrogen ion (H-) beams from 100 keV to 3 MeV. To meet the diverse set of beam requirements at various user stations, the RFQ must be capable of accelerating a continuous-wave beam as well as a pulsed input beam. For example, with H- beam production, the RFQ accelerates a continuous-wave-like beam for the Lujan Center, and a pulsed beam for the Weapons Neutron Research (WNR) facility. The WNR operational mode is the highlight of the LANSCE accelerator and of the LAMP upgrade. We introduce the design optimization of the RFQ for ensuring that all associated requirements of the LAMP key performance parameters are satisfied. The optimization of the overall configuration of the low energy beam transport (LEBT) beamline for shaping the phase spaces of the WNR beam pulse at the entrance to the RFQ is also addressed.
Funding Agency
Work supported by the U.S. Department of Energy through the Office of Defense Programs of Los Alamos National Laboratory.
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