Wide range, permanent magnet Compton spectrometer
Conference
·
OSTI ID:7206684
We are using a Sm-Co based permanent magnet spectrometer to analyze Compton electrons ejected from a Be converter foil that is illuminated by a gamma-ray beam. The distance along the focal plane at which a mono-energetic electron beam entering the spectrometer will cross the focal plane is proportional to the square root of the electron momentum. This design achieves a very broad range of energies that are analyzed (from momentum of about 1 MeV/c up to 30 MeV/c) while maintaining good energy resolution (the electron momentum resolution is the larger of 0.1 MeV/c or 1% of the momentum). In addition this design has a fairly large acceptance. By restricting the angular acceptance of the spectrometer for the Compton electrons, incoming gamma-ray energies and ejected electron momenta are simply related. The electron optical properties of this spectrometer will be discussed as well as some aspects of the overall system design and testing. 8 refs.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 7206684
- Report Number(s):
- UCRL-JC-109170; CONF-920792--10; ON: DE92017312
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440100* -- Radiation Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
665300 -- Interactions Between Beams & Condensed Matter-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METALS
ALLOYS
BEAMS
BERYLLIUM
CLOSED CONFIGURATIONS
COBALT ALLOYS
DETECTION
ELECTRON BEAMS
ELEMENTS
FOILS
GAMMA DETECTION
LEPTON BEAMS
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC FIELDS
MAGNETIC SPECTROMETERS
MAGNETS
MEASURING INSTRUMENTS
METALS
MULTIPOLAR CONFIGURATIONS
PARTICLE BEAMS
PERFORMANCE
QUADRUPOLAR CONFIGURATIONS
RADIATION DETECTION
RARE EARTH ALLOYS
SAMARIUM ALLOYS
SPECTROMETERS
TRAJECTORIES
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
665300 -- Interactions Between Beams & Condensed Matter-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METALS
ALLOYS
BEAMS
BERYLLIUM
CLOSED CONFIGURATIONS
COBALT ALLOYS
DETECTION
ELECTRON BEAMS
ELEMENTS
FOILS
GAMMA DETECTION
LEPTON BEAMS
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC FIELDS
MAGNETIC SPECTROMETERS
MAGNETS
MEASURING INSTRUMENTS
METALS
MULTIPOLAR CONFIGURATIONS
PARTICLE BEAMS
PERFORMANCE
QUADRUPOLAR CONFIGURATIONS
RADIATION DETECTION
RARE EARTH ALLOYS
SAMARIUM ALLOYS
SPECTROMETERS
TRAJECTORIES