학술논문

Gamma-Ray Lenses for Astrophysics—and the Gamma-Ray Imager Mission GRI
Document Type
Periodical
Source
IEEE Transactions on Nuclear Science IEEE Trans. Nucl. Sci. Nuclear Science, IEEE Transactions on. 56(3):1242-1249 Jun, 2009
Subject
Nuclear Engineering
Bioengineering
Lenses
Focusing
Explosions
Acceleration
Particle accelerators
Observatories
Diffraction
Mirrors
Linear particle accelerator
Physics
Astronomical satellites
Compton focal plane
gamma-ray astronomy detectors
imaging
Laue lens
Language
ISSN
0018-9499
1558-1578
Abstract
Observations of the gamma-ray sky reveal the most powerful sources and the most violent events in the Universe. While at lower wavebands the observed emission is generally dominated by thermal processes, the gamma-ray sky provides us with a view on the non-thermal Universe. Here particles are accelerated to extreme relativistic energies by mechanisms which are still poorly understood, and nuclear reactions are synthesizing the basic constituents of our world. Cosmic accelerators and cosmic explosions are major science themes that are addressed in the gamma-ray regime.