نتایج جستجو برای: ray effect
تعداد نتایج: 1914807 فیلتر نتایج به سال:
Knowledge of the monochromaticity of an x-ray source is increasingly important in fundamental experiments and critical applications. The bandwidth of an x-ray beam, selected from a synchrotron radiation spectrum for example, ultimately defines the limiting resolution of the synchrotron source. The development of x-ray technology through the use of characteristic line sources of fixed line shape...
The optical nonlocality in symmetric metal-dielectric multilayer metamaterials is theoretically and experimentally investigated with respect to transverse-magnetic-polarized incident light. A nonlocal effective medium theory is derived from the transfer-matrix method to determine the nonlocal effective permittivity depending on both the frequency and wave vector in a symmetric metal-dielectric ...
Radiation of X-ray bursts and of accretion shocks in weakly magnetized neutron stars in low-mass X-ray binaries is produced in plane-parallel atmospheres dominated by electron scattering. We first discuss polarization produced by single (non-magnetic) Compton scattering, in particular the depolarizing effect of high electron temperature, and then the polarization due to multiply electron scatte...
Stadler, L. J., "The Comparison of Ultra-Violet and X-ray Effects on Mutation," Cold Spring Harbor Symp. Quant. Biol., 9, 188-177 (1941). Stadler, L. J., and Uber, Fred M., "Genetic Effects of Ultra-Violet Radiation in Maize. IV. Comparison of Monochromata Radiations," Genetics, 27, 84-118 (1942). Stadler, L. J., and Roman, Herschel, "The Effect of X-rays upon Mutation of the Gene A in Maize," ...
The polarisation of x-ray photons can be determined by measuring the direction of emission of a K-shell photoelectron. Effective exploitation of this effect below 10 keV would allow development of a highly sensitive x-ray polarimeter dedicated in particular to x-ray astronomy observations. Only with the advent of finely segmented gas detectors was it possible to detect polarisation sensitivity ...
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