Low energy atomic field bremsstrahlung from thin rare gas targets
Thesis/Dissertation
·
OSTI ID:5017013
A relative measurement of the doubly-differential cross-section for electron atomic field bremsstrahling, differential in photon energy and angle is reported. Data for (d/sup 2/sigma)/(dk dO/sub k/) have been taken for incident electron energies T ranging from 4 to 10 keV on target atoms of helium, neon, argon, krypton and xenon at a photon emission angle of 90/sup 0/. The X-rays, produced at 90/sub 0/ to the intersection of the crossed electron and gas beams, are detected by a Si(Li) detector, having a resolution of about 200 eV at 6 keV and 0.3 mil Be window. The theoretical angular distribution (d/sup 2/sigma)/(dk dO/sub k/) has been deduced from the photon energy spectrum by the use of the shape function S(Z,T,k,T) defined by Tseng and Pratt as S(Z,T,k,T) = ((d/sup 2/sigma)/(dk dO/sub k/)) / ((dsigma)/(dk)). The values of S used were obtained by an interpolation of the benchmark data provided by Pratt et al. Agreement between our experiment and the theory is measured by how well the theoretical curve fits the data. The agreement appeared to be good.
- Research Organization:
- Texas Christian Univ., Fort Worth (USA)
- OSTI ID:
- 5017013
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR DISTRIBUTION
ARGON
ATOM COLLISIONS
BREMSSTRAHLUNG
COLLISIONS
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ELECTRON COLLISIONS
ELECTRON-ATOM COLLISIONS
ELEMENTS
ENERGY RANGE
EXPERIMENTAL DATA
FLUIDS
GASES
HELIUM
INFORMATION
IONIZING RADIATIONS
KEV RANGE
KEV RANGE 01-10
KRYPTON
NEON
NONMETALS
NUMERICAL DATA
RADIATIONS
RARE GASES
X RADIATION
XENON
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR DISTRIBUTION
ARGON
ATOM COLLISIONS
BREMSSTRAHLUNG
COLLISIONS
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ELECTRON COLLISIONS
ELECTRON-ATOM COLLISIONS
ELEMENTS
ENERGY RANGE
EXPERIMENTAL DATA
FLUIDS
GASES
HELIUM
INFORMATION
IONIZING RADIATIONS
KEV RANGE
KEV RANGE 01-10
KRYPTON
NEON
NONMETALS
NUMERICAL DATA
RADIATIONS
RARE GASES
X RADIATION
XENON