Silicon photomultipliers as readout elements for a Compton effect polarimeter: the COMPASS project
Date Issued
2016
Author(s)
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Rubini, A.
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Brandonisio, A.
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Di Cosimo, S.
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Massaro, E.
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Morelli, E.
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Michilli, D.
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Abstract
COMpton Polarimeter with Avalanche Silicon readout (COMPASS) is a research and development project that aims to measure the polarization of X-ray photons through Compton Scattering. The measurement is obtained by using a set of small rods of fast scintillation materials with both low-Z (as active scatterer) and high-Z (as absorber), all read-out with Silicon Photomultipliers. By this method we can operate scattering and absorbing elements in coincidence, in order to reduce the background. In the laboratory we are characterising the SiPMs using different types of scintillators and we are optimising the performances in terms of energy resolution, energy threshold and photon tagging efficiency. We aim to study the design of two types of satellite-borne instruments: a focal plane polarimeter to be coupled with multilayer optics for hard X-rays and a large area and wide field of view polarimeter for transients and Gamma Ray Bursts. In this paper we describe the status of the COMPASS project, we report about the laboratory measurements and we describe our future perspectives.
Coverage
High Energy, Optical, and Infrared Detectors for Astronomy VII
Series
Volume
9915
Start page
991528
Conferenece
High Energy, Optical, and Infrared Detectors for Astronomy VII
Conferenece place
Edinburgh, UK
Conferenece date
26 June-1 July, 2016
Issn Identifier
0277-786X
Ads BibCode
2016SPIE.9915E..28D
Rights
open.access
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