Dresden 2000 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 25: Instrumentation und Anwendungen IV

HK 25.3: Vortrag

Donnerstag, 23. März 2000, 17:15–17:30, B 118

Polarimetry of large angle Parametric X-radiation — •Dmitry Pugachev1, Gerd Buschhorn1, Rainer Kotthaus1, Jan They1, Harald Genz2, Achim Richter2, and Victor L. Morokhovskii31Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), München — 2Institut für Kernphysik, Technische Universität Darmstadt — 3Kharkov Institute of Physics and Technology

In order to confirm a recent measurement [1] of the linear polarization of Parametric X-radiation (PXR) and to extend PXR polarization analysis to larger observation angles a multidetector Compton polarimeter employing thermoelectrically cooled silicon photodiodes has been developed for polarimetry of X-rays down to energies of a few keV. Design considerations and calibration measurements with synchrotron radiation in the energy range from 3 to 20 keV as well as preliminary results of a polarization analysis of PXR produced by 60 MeV electrons at the (111) plane of a silicon crystal will be presented.

Partially supported by BMBF, contract No. 06DA820 [1] V.V. Morokhovskii et al.: Phys. Rev. Lett. 79 (1997) 4389-4392

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