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Proceedings Paper

Performance of the MART-LIME high-energy detector
Author(s): L. Waldron; Pietro Ubertini; Angela Bazzano; C. D. La Padula; Christopher J. Hall; Robert A. Lewis; Marie Eleanore Soggiu
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Paper Abstract

MART-LIME is a coded mask imaging telescope to be flown onboard the international observatory SPECTRUM X-(Gamma) in 1995. This high-energy instrument, the center of which is a high-pressure proportional counter sensitive to the 5 - 150 keV energy range, will be characterized by a limiting sensitivity of about 1 milliCrab for a 105 s observation period. The imaging capability of the instrument is provided by a coded-mask aperture system, used in conjunction with a position sensitive detector. The basic pattern of the coded aperture is a 71 X 73 URA mask (twin prime). With the addition of an outer frame comprising 18 pixels on each side, a fully coded field-of-view of 2.6 degree(s) X 2.6 degree(s) is obtained, while a partially coded field-of-view is achieved up to 6 degree(s). Test procedures used to determine the performance of the MART-LIME detector are discussed. Results showing the spectroscopic capabilities of a Laboratory-Prototype detector are presented.

Paper Details

Date Published: 19 October 1993
PDF: 11 pages
Proc. SPIE 1948, Astroparticle Physics and Novel Gamma-Ray Telescopes, (19 October 1993); doi: 10.1117/12.161379
Show Author Affiliations
L. Waldron, Istituto di Astrofisica Spaziale/CNR (Italy)
Pietro Ubertini, Istituto di Astrofisica Spaziale/CNR (Italy)
Angela Bazzano, Istituto di Astrofisica Spaziale/CNR (Italy)
C. D. La Padula, Istituto di Astrofisica Spaziale/CNR (Italy)
Christopher J. Hall, SERC Daresbury Lab. (United Kingdom)
Robert A. Lewis, SERC Daresbury Lab. (United Kingdom)
Marie Eleanore Soggiu, Istituto di Astrofisica Spaziale/CNR (Italy)

Published in SPIE Proceedings Vol. 1948:
Astroparticle Physics and Novel Gamma-Ray Telescopes
David B. Cline, Editor(s)

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