Hard X-ray and γ-ray detectors for the NeXT mission

Details Hard X-ray and γ-ray detectors for the NeXT mission Hard X-ray and γ-ray detectors for the NeXT mission

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004newar..48..269t&link_type=abstract

New Astronomy Reviews, Volume 48, Issue 1-4, p. 269-273.

Astronomy and Astrophysics

Astronomy

23

Γ-Rays: Instruments, Compton Telescope, Czt, Cdte

Scientific paper

When compared with X-ray astronomy, the γ-ray astronomy, especially in the energy band from 10 keV to several MeV, is still immature and significant improvements should be done to obtain sensitivity comparable to that achieved in the energy band below 10 keV. In order to fill this ``sensitivity gap'', the NeXT (New X-ray Telescope) mission has been proposed as a successor of the Astro-E2 mission. The high-energy response of the super mirror will enable us to perform first sensitive imaging observation up to 80 keV. One idea for the focal plane detector is to combine a fully depleted X-ray imaging device (soft X-ray detector) and a pixelated CdTe (cadmium telluride) detector. In the soft γ-ray band upto ~1 MeV, a narrow field-of-view Compton γ-ray telescope utilizing several tens of layers of thin Si or CdTe detector has been proposed to obtain much higher sensitivity than present instruments.

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