High-energy gamma-ray beams from Compton-backscattered laser light
Collisions of light photons with relativistic electrons have previously been used to produce polarized ..gamma..-ray beams with modest (-10%) resolution but relatively low intensity. In contrast, the LEGS project (Laser + Electron Gamma Source) at Brookhaven will produce a very high flux (>2 x 10/sup 7/ s/sup -1/) of background-free polarized ..gamma.. rays whose energy will be determined to a high accuracy (..delta..E = 2.3 MeV). Initially, 300(420)-MeV ..gamma.. rays will be produced by backscattering uv light from the new 2.5(3.0)-GeV X-ray storage ring of the National Synchrotron Light Source (NSLS). The LEGS facility will operate as one of many passive users of the NSLS. In a later stage of the project, a Free Electron Laser is expectred to extend the ..gamma..-ray energy up to 700 MeV.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6442673
- Report Number(s):
- BNL-32874; CONF-830311-88; ON: DE83010443
- Country of Publication:
- United States
- Language:
- English
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High energy gamma ray beams from compton backscattered laser light
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Related Subjects
43 PARTICLE ACCELERATORS
430303* -- Particle Accelerators-- Experimental Facilities & Equipment
ACCELERATORS
BACKSCATTERING
BASIC INTERACTIONS
BEAMS
COMPTON EFFECT
CYCLIC ACCELERATORS
DATA
ELASTIC SCATTERING
ELECTROMAGNETIC INTERACTIONS
ELECTROMAGNETIC RADIATION
ENERGY RANGE
EXPERIMENTAL DATA
GAMMA SOURCES
INFORMATION
INTERACTIONS
LASER RADIATION
MEV RANGE
MEV RANGE 100-1000
NSLS
NUMERICAL DATA
POLARIZED BEAMS
RADIATION FLUX
RADIATION SOURCES
RADIATIONS
SCATTERING
SYNCHROTRON RADIATION SOURCES
SYNCHROTRONS
ULTRAVIOLET RADIATION
430303* -- Particle Accelerators-- Experimental Facilities & Equipment
ACCELERATORS
BACKSCATTERING
BASIC INTERACTIONS
BEAMS
COMPTON EFFECT
CYCLIC ACCELERATORS
DATA
ELASTIC SCATTERING
ELECTROMAGNETIC INTERACTIONS
ELECTROMAGNETIC RADIATION
ENERGY RANGE
EXPERIMENTAL DATA
GAMMA SOURCES
INFORMATION
INTERACTIONS
LASER RADIATION
MEV RANGE
MEV RANGE 100-1000
NSLS
NUMERICAL DATA
POLARIZED BEAMS
RADIATION FLUX
RADIATION SOURCES
RADIATIONS
SCATTERING
SYNCHROTRON RADIATION SOURCES
SYNCHROTRONS
ULTRAVIOLET RADIATION