NDLI: Design and Performance of Simple Targeting Efficiency Monitors for High Energy Physics Experimental Areas

Content Provider	IEEE Xplore Digital Library
Author	Hornstra, Fred
Copyright Year	1963
Abstract	Simple radiation monitors of coaxial ionization chambers are used at Fermi National Accelerator Laboratory to measure targeting efficiency of the external proton beam as it impinges on secondary particle production targets in the experimental areas. In some cases the system replaces the traditional target telescope formed of three scintillation counters connected in triple coincidence. When the target monitor is recessed in shielding, target-in, target out ratios of over 100 are achieved. A single, unshielded monitor residing near the target yields a ratio of 10 for 300 GeV incident protons on a tungsten target 120 mils in diameter by 2 in. long. A companion background monitor allows this ratio to be increased by at least an order of magnitude. Evidence indicates that these simple detectors, properly located, constitute a viable target monitoring system which has operated with incident proton beams having intensity rates ranging from < 1011 protons sec-1 to > 1013 protons in 20 ¿sec.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	198
Ending Page	201
Page Count	4
File Size	742905
File Format	PDF
ISSN	00189499
Volume Number	23
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1976-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Particle beams Ionizing radiation Coaxial components Ionization chambers Particle accelerators Ion accelerators Proton accelerators Laboratories Area measurement Particle measurements
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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