中文

The MEGA Advanced Compton Telescope Project

天体物理学 2019-08-14 v1

摘要

The goal of the Medium Energy Gamma-ray Astronomy (MEGA) telescope is to improve sensitivity at medium gamma-ray energies (0.4-50 MeV) by at least an order of magnitude over that of COMPTEL. This will be achieved with a new compact design that allows for a very wide field of view, permitting a sensitive all-sky survey and the monitoring of transient and variable sources. The key science objectives for MEGA include the investigation of cosmic high-energy particle accelerators, studies of nucleosynthesis sites using gamma-ray lines, and determination of the large-scale structure of galactic and cosmic diffuse background emission. MEGA records and images gamma-ray events by completely tracking both Compton and pair creation interactions in a tracker of double-sided silicon strip detectors and a calorimeter of CsI crystals able to resolve in three dimensions. We present initial laboratory calibration results from a small prototype MEGA telescope.

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引用

@article{arxiv.astro-ph/0110129,
  title  = {The MEGA Advanced Compton Telescope Project},
  author = {P. F. Bloser and R. Andritschke and G. Kanbach and V. Schoenfelder and F. Schopper and A. Zoglauer},
  journal= {arXiv preprint arXiv:astro-ph/0110129},
  year   = {2019}
}

备注

7 pages LaTeX, 5 figures, to appear in New Astronomy Reviews (Proceedings of the Ringberg Workshop "Astronomy with Radioactivities III")