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  Characterization of the detection chain of the Micro-channel X-ray Telescope

Ceraudo, F., Meuris, A., Doumayrou, E., Dumaye, L., Goetschy, A., Lavanant, T., et al. (2020). Characterization of the detection chain of the Micro-channel X-ray Telescope. Nuclear Instruments and Methods in Physics Research Section A, 973: 164164. doi:10.1016/j.nima.2020.164164.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-F126-F Version Permalink: http://hdl.handle.net/21.11116/0000-0006-F127-E
Genre: Journal Article

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 Creators:
Ceraudo, Francesco, Author
Meuris, Aline, Author
Doumayrou, Eric, Author
Dumaye, Luc, Author
Goetschy, Alain, Author
Lavanant, Tony, Author
Lortholary, Michel, Author
Le Mer, Isabelle, Author
Nico, François, Author
Pinsard, Frédéric, Author
Prieur, Marin, Author
Renaud, Diana, Author
Schneider, Benjamin, Author
Tourrette, Thierry, Author
Visticot, François, Author
Meidinger, Norbert1, Author              
Mießner, Danilo, Author
Götz, Diego, Author
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: This paper describes the first performance tests and characterization of the detection chain of the Microchannel X-ray Telescope (MXT), one of the instruments on board the French-Chinese mission SVOM for the study of Gamma-Ray Bursts. The MXT detector consists of a back-illuminated 450 μm-thick fully-depleted framestore silicon pnCCD, operating in the 0.2 − 10 keV energy range. Featuring an imaging area of ≈ 4 cm2, the device is read out in parallel by two CAMEX ASICs and is powered and controlled by its dedicated Front-End Electronics. A complete setup based on a cryostat and a multi-energy X-ray source have been designed for the characterization of the detection chain. The tests, performed at ≈ −65 ◦C, demonstrate a spectral resolution of (82 ± 2) eV at 1.5 keV as well as a < 200 eV low-level threshold. Both of those results are in compliance with the performance requirements of the instrument.

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Language(s): eng - English
 Dates: 2020-05-22
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.nima.2020.164164
Other: LOCALID: 3250759
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Title: Nuclear Instruments and Methods in Physics Research Section A
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 973 Sequence Number: 164164 Start / End Page: - Identifier: ISSN: 0168-9002
CoNE: https://pure.mpg.de/cone/journals/resource/954925485716