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The effect of the displacement damage on the Charge Collection Efficiency in Silicon Drift Detectors for the LOFT satellite

Journal
Date Issued
2015
Author(s)
•
•
Bozzo, E.
•
Cadoux, F.
•
Rachevski, A.
•
Zampa, G.
•
Zampa, N.
•
•
Pohl, M.
•
Vacchi, A.
DOI
Abstract
The technology of Silicon Drift Detectors (SDDs) has been selected for the two instruments aboard the Large Observatory For X-ray Timing (LOFT) space mission. LOFT underwent a three year long assessment phase as candidate for the M3 launch opportunity within the ``Cosmic Vision 2015 - 2025'' long-term science plan of the European Space Agency. During the LOFT assessment phase, we studied the displacement damage produced in the SDDs by the protons trapped in the Earth's magnetosphere. In a previous paper we discussed the effects of the Non Ionising Energy Losses from protons on the SDD leakage current. In this paper we report the measurement of the variation of Charge Collection Efficiency produced by displacement damage caused by protons and the comparison with the expected damage in orbit.
Volume
10
Issue
5
Start page
P05002
Uri
Url
Issn Identifier
1748-0221
Ads BibCode
2015JInst..10P5002D
Rights
open.access
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