NDLI: Method of incident low-energy gamma-ray direction reconstruction in the GAMMA-400 gamma-ray space telescope

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Method of incident low-energy gamma-ray direction reconstruction in the GAMMA-400 gamma-ray space telescope

Content Provider	Scilit
Author	Kheymits, M. D. Leonov, A. A. Zverev, V. G. Galper, A. M. Arkhangelskaya, I. V. Arkhangelskiy, A. I. Suchkov, S. I. Topchiev, N. P. Yurkin, Yu T. Bakaldin, A. V. Dalkarov, O. D.
Copyright Year	2016
Description	Journal: Journal of Physics: Conference Series The GAMMA-400 gamma-ray space-based telescope has as its main goals to measure cosmic γ-ray fluxes and the electron-positron cosmic-ray component produced, theoretically, in dark-matter-particles decay or annihilation processes, to search for discrete γ-ray sources and study them in detail, to examine the energy spectra of diffuse γ-rays — both galactic and extragalactic — and to study gamma-ray bursts (GRBs) and γ-rays from the active Sun. Scientific goals of GAMMA-400 telescope require fine angular resolution. The telescope is of a pair-production type. In the converter-tracker, the incident gamma-ray photon converts into electron-positron pair in the tungsten layer and then the tracks are detected by silicon- strip position-sensitive detectors. Multiple scattering processes become a significant obstacle in the incident-gamma direction reconstruction for energies below several gigaelectronvolts. The method of utilising this process to improve the resolution is proposed in the presented work.
Related Links	http://iopscience.iop.org/article/10.1088/1742-6596/675/3/032012/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/675/3/032012
Journal	Journal of Physics: Conference Series
Issue Number	3
Volume Number	675
Language	English
Publisher	IOP Publishing
Publisher Date	2016-01-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Nuclear Energy and Engineering Gamma Ray Gamma Direction Reconstruction
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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