Measurement of coherent transition X rays

Measurement of coherent transition X rays

Interference phenomena in the angular distributions and spectra of transition radiation from closely spaced two- and four-foil polypropylene targets have been observed. Strong interference occurred for photons having wavelengths of roughly 83 A. Calculated angular distributions are in excellent agre...

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Veröffentlicht in:Phys. Rev. Lett.; (United States) 1986-09, Vol.57 (10), p.1223-1226
Hauptverfasser: MORAN, M. J, DAHLING, B. A, EBERT, P. J, PIESTRUP, M. A, BERMAN, B. L, KEPHART, J. O
Format: Artikel
Sprache:eng
Schlagworte:
640301 - Atomic, Molecular & Chemical Physics- Beams & their Reactions
ANGULAR DISTRIBUTION
Applied sciences
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COHERENT RADIATION
COLLISIONS
CORRELATIONS
DATA
DIMENSIONS
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ELECTRON COLLISIONS
ENERGY RANGE
ENERGY SPECTRA
Exact sciences and technology
EXPERIMENTAL DATA
FOILS
INFORMATION
INTERFACES
INTERFERENCE
IONIZING RADIATIONS
MEV RANGE
MEV RANGE 10-100
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
Other techniques and industries
POLYMERS
POLYOLEFINS
POLYPROPYLENE
RADIATIONS
SOFT X RADIATION
SPECTRA
TARGETS
THICKNESS
X RADIATION
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Beschreibung
Zusammenfassung:Interference phenomena in the angular distributions and spectra of transition radiation from closely spaced two- and four-foil polypropylene targets have been observed. Strong interference occurred for photons having wavelengths of roughly 83 A. Calculated angular distributions are in excellent agreement with the two-foil data. These results form the basis of a new technique for measuring X-ray dielectric constants. (C.D.)
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.57.1223