X-raysGamma-raysXMM-NewtonIntegralChandraThe X-ray observatories XMM-Newton and Chandra provided a wealth of exciting new results on active galaxies, and many more are expected to emerge soon from the Gamma-ray mission INTEGRAL. Chandra delivered X-ray images of outstanding detail, reaching sub...
A Structured Leptonic Jet Model of the "Orphan" TeV Gamma-Ray Flares in TeV Blazars The emission spectra of TeV blazars extend up to tens of TeV, and the emission mechanism of the TeV γ-rays is explained by synchrotron self-Compton scatte... M Kusunose,F Takahara - 《Astrophysical Journa...
The γ-rays in this energy range consume 2% of the spin-down power and can be modeled by a power law with a photon index of 2.6. We discuss the high energy properties of the new redback in the context of an intrabinary shock model. 展开 ...
Rather, the observed spectra are consistent with a geometry in which the cold accretion disc (which both supplies the seed soft X-rays and reflects hard X-rays) only exists at large radii, while the Comptonizing hot plasma is located in an inner region with no cold disc. This hot plasma...
As recommended at an IAEA Consultants Meeting in 1997, a Coordinated Research Project (CRP) on Update of X Ray and Gamma Ray Decay Data Standards for Detector Calibration and Other Applications was established by the IAEA in the late 1990s to discuss the quality of the relevant data and define...
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A device for controlling beams of particles, X-rays and gamma rays including a plurality of channels with total external reflection inner surfaces, input butt-ends facing a radiation source and output butt-ends aimed at a radiation receiver is taught. Channel-forming elements are in the form of...
Development of Gamma-Ray Nondestructive Detection and Assay Systems for Nuclear Safeguards and Security at JAEA Nondestructive detection and assay of nuclide is one of the promising applications of energy-tunable gamma-rays from laser Compton scattering. In JAEA, we ... R Hajima - Nuclear Physics ...
greatly affected by relatively low hole mobility-lifetime product and therefore continuing efforts are still underway to improve the characteristics of both CdTe and CdZnTe materials in order to achieve reproducible detectors with higher photopeak efficiencies for either low or high energy gamma rays. ...
light-vector detection and control are at present limited to ultraviolet- and visible-light wavelengths. Although several sensors using Shack–Hartmann or Hartmann structures are capable of phase measurements in the extreme ultraviolet-light range, phase measurements of hard X-rays and gamma rays remain...