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A versatile facility for the calibration of x-ray polarimeters with polarized and unpolarized controlled beams
We devised and built a versatile facility for the calibration of the next generation X-ray polarimeters with unpolarized and polarized radiation. The former is produced at 5.9 keV by means of a Fe<sup>55</sup> radioactive source or by X-ray tubes, while the latter is obtained by Bragg diffraction at nearly 45 …