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Simple, compact, high-resolution monochromatic x-ray source for characterization of x-ray calorimeter arrays

Eckart, M. E.; Kilbourne, C. A.; Leutenegger, M. A. +6 more

X-ray calorimeters routinely achieve very high spectral resolution, typically a few eV full width at half maximum (FWHM). Measurements of calorimeter line shapes are usually dominated by the natural linewidth of most laboratory calibration sources. This compounds the data acquisition time necessary to statistically sample the instrumental line bro…