Author: Russo, T.
Paper Title Page
MOPC46 Beam Loss Monitor System for Low-Energy Heavy-Ion FRIB Accelerators 186
 
  • Z. Liu, T. Russo, R.C. Webber, Y. Yamazaki, Y. Zhang
    FRIB, East Lansing, Michigan, USA
  
  Funding: Work is supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC0000661
Ra­di­a­tion trans­port sim­u­la­tions re­veal short­com­ings in the use of ion cham­bers for the de­tec­tion of beam losses in low-en­ergy, heavy-ion ac­cel­er­a­tors like FRIB. Ra­di­a­tion cross-talk ef­fects due to the spe­cific FRIB pa­per-clip geom­e­try com­pli­cate lo­cat­ing spe­cific points of beam loss. We de­scribe an eco­nom­i­cal and ro­bust so­lu­tion that com­ple­ments ion­iza­tion cham­bers. A specif­i­cally de­signed de­vice, the halo mon­i­tor ring (HMR), is im­ple­mented up­stream of each cry­omod­ule to de­tect beam loss di­rectly. To­gether with fast re­sponse neu­tron scin­til­la­tors, the new in­te­grated BLM sys­tem sat­is­fies both ma­chine pro­tec­tion and sen­si­tiv­ity re­quire­ments. 		 
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