A position sensitive phoswich hard X-ray detector system

Details A position sensitive phoswich hard X-ray detector system A position sensitive phoswich hard X-ray detector system

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....3..398d&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 3 p 398-401 (SEE N85-34862 23-93)

Physics

Optics

Electromagnetic Spectra, Monte Carlo Method, Position Sensing, Radiation Detectors, Scintillation Counters, Simulation, X Rays, Background Noise, Cesium Iodides, Collimators, Imaging Techniques, Incident Radiation, Photomultiplier Tubes, Photons, Sodium Iodides, Spectral Resolution

Scientific paper

A prototype position sensitive phoswich hard X-ray detector, designed for eventual astronomical usage, was tested in the laboratory. The scintillation crystal geometry was designed on the basis of a Monte Carlo simulation of the internal optics and includes a 3mm thick NaI(T1) primary X-ray detector which is actively shielded by a 20 mm thick CsI(T1) scintillation crystal. This phoswich arrangement is viewed by a number two inch photomultipliers. Measured values of the positional and spectral resolution of incident X-ray photons are compared with calculation.

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