THESEUS搭载的X-Gamma成像谱仪(XGIS)
天体物理仪器与方法
2018-02-07 v1
摘要
作为响应ESA M5征集所提出的THESEUS任务上预期搭载的仪器之一，我们设计了一台紧凑且模块化的X与伽马射线成像谱仪(XGIS)。该实验设想使用CsI闪烁体条，两端由单像元25 mm²硅漂移探测器读出。在硅层中吸收的事件(较低能X射线)与在闪烁晶体中吸收的事件(较高能X射线与伽马射线)通过星上电子学甄别。编码掩模在低能端提供成像能力，从而构成一个在宽能带(~2 keV至~20 MeV)内紧凑且灵敏的仪器。本文讨论了仪器设计、预期性能以及对一系列实验室原型所进行的表征。
引用
@article{arxiv.1802.01674,
title = {The X-Gamma Imaging Spectrometer (XGIS) onboard THESEUS},
author = {R. Campana and F. Fuschino and C. Labanti and L. Amati and S. Mereghetti and M. Fiorini and F. Frontera and G. Baldazzi and P. Bellutti and G. Borghi and I. Elmi and Y. Evangelista and M. Feroci and F. Ficorella and M. Orlandini and A. Picciotto and M. Marisaldi and A. Rachevski and M. Uslenghi and A. Vacchi and G. Zampa and N. Zampa and N. Zorzi},
journal= {arXiv preprint arXiv:1802.01674},
year = {2018}
}
备注
To be published in the Proceedings of the THESEUS Workshop 2017 (http://www.isdc.unige.ch/theseus/workshop2017.html), Journal of the Italian Astronomical Society (Mem.SAIt), Editors L. Amati, E. Bozzo, M. Della Valle, D. Gotz, P. O'Brien. Details on the THESEUS mission concept can be found in the white paper Amati et al. 2017 (arXiv:171004638) and Stratta et al. 2017 (arXiv:1712.08153)