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MOP033 1L Target Harp Diagnostic Display Tool target, operation, diagnostics, neutron 99
  • A.D. Walker, E.L. Kerstiens
    LANL, Los Alamos, New Mexico, USA
  The Los Alamos Neutron Science Center (LANSCE) completed upgrades to its 1L Target Facility, which included installing the new Mark IV target assembly. This added a third tungsten target located upstream of the other two targets. Prior to Mark IV, beam centering on target was achieved by using thermocouples mounted to the quadrants and center of the upper target coolant chamber. It is slightly offset from center of the old upper target and it shadows several of the thermocouples previously used to center beam on target. This required adjustments to the diagnostic tools utilized to monitor position of the H beam that is being delivered to the 1L target. The original display included the thermocouple readouts and displayed a visual beam profile and position taken from an upstream harp. With some of the thermocouples now being shadowed, an image overlay was added to show where the harp¿s measured beam position is relative to both the upper and middle targets. This gives the beam operations team an additional level of awareness when it comes to thermocouple temperatures, beam steering, and beam tuning. Details of the display tool and its associated upgrades are presented.
LANL Report #: LA-UR-23-25004
poster icon Poster MOP033 [0.825 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2023-MOP033  
About • Received ※ 05 September 2023 — Revised ※ 07 September 2023 — Accepted ※ 13 September 2023 — Issue date ※ 20 September 2023
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