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Proceedings Paper

Silicon photomultipliers as readout elements for a Compton effect polarimeter: the COMPASS project
Author(s): E. Del Monte; A. Rubini; A. Brandonisio; F. Muleri; P. Soffitta; E. Costa; G. Di Persio; S. Di Cosimo; E. Massaro; A. Morbidini; E. Morelli; L. Pacciani; S. Fabiani; D. Michilli; S. Giarrusso; O. Catalano; D. Impiombato; T. Mineo; G. Sottile; S. Billotta
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Paper 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.

Paper Details

Date Published: 1 August 2016
PDF: 13 pages
Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 991528 (1 August 2016); doi: 10.1117/12.2232572
Show Author Affiliations
E. Del Monte, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
A. Rubini, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
A. Brandonisio, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
F. Muleri, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
P. Soffitta, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
E. Costa, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
G. Di Persio, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
S. Di Cosimo, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
E. Massaro, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
A. Morbidini, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
E. Morelli, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
L. Pacciani, INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy)
S. Fabiani, Istituto Nazionale di Fisica Nucleare (Italy)
D. Michilli, Univ. of Amsterdam (Netherlands)
ASTRON (Netherlands)
S. Giarrusso, INAF - IASF-Palermo (Italy)
O. Catalano, INAF - IASF-Palermo (Italy)
D. Impiombato, INAF - IASF-Palermo (Italy)
T. Mineo, INAF - IASF-Palermo (Italy)
G. Sottile, INAF - IASF-Palermo (Italy)
S. Billotta, INAF - Osservatorio Astrofisico di Catania (Italy)


Published in SPIE Proceedings Vol. 9915:
High Energy, Optical, and Infrared Detectors for Astronomy VII
Andrew D. Holland; James Beletic, Editor(s)

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