Volume 287 - The 25th International workshop on vertex detectors (Vertex 2016) - Session: Detectors in design and construction
The DAMPE silicon tungsten tracker
V. Gallo,* G. Ambrosi, R. Asfandiyarov, P. Azzarello, P. Bernardini, B. Bertucci, A. Bolognini, F. Cadoux, M. Caprai, M. Domenjoz, Y. Dong, M. Duranti, R. Fan, M. Franco, P. Fusco, F. Gargano, K. Gong, D. Guo, C. Husi, M. Ionica, N. Lacalamita, F. Loparco, G. Marsella, M.N. Mazziottai, M. Mongelli, A. Nardinocchi, L. Nicola, G. Pelleriti, W. Peng, M. Pohl, V. Postolache, R. Qiao, A. Surdo, A. Tykhonov, S. Vitillo, H. Wang, M. Weber, D. Wu, X. Wu, F. Zhang, I. De Mitri, D. La Marra, I. De Mitri, D. La Marra
*corresponding author
Full text: pdf
Pre-published on: February 23, 2017
Published on: August 03, 2017
Abstract
The DArk Matter Particle Explorer (DAMPE) satellite has been successfully launched on the 17th December 2015. It is a powerful space detector designed for the identification of possible Dark Matter signatures thanks to its capability to detect electrons and photons with an unprecedented energy resolution in an energy range going from few GeV up to 10 TeV. Moreover, the DAMPE satellite will contribute to a better understanding of the propagation mechanisms of high energy cosmic rays measuring the nuclei flux up to 100 TeV. DAMPE is composed of four sub-detectors: a plastic strip scintillator, a silicon-tungsten tracker-converter (STK), a BGO imaging calorimeter and a neutron detector. The STK is made of twelve layers of single-sided AC-coupled silicon micro-strip detectors for a total silicon area of about $7 \, \rm{m}^2$. To promote the conversion of incident photons into electron-positron pairs, tungsten foils are inserted into the supporting structure. In this document, a detailed description of the STK construction and its performance on orbit are reported.
DOI: https://doi.org/10.22323/1.287.0010
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