publication . Article . 2013

InGrid-based X-ray detector for low background searches

Jochen Kaminski; Klaus Kurt Desch; C. Krieger;
Open Access English
  • Published: 01 Jan 2013
  • Publisher: Nuclear Instruments and Methods in Physics Research A
Abstract
Abstract An X-ray photon detector based on the highly granular readout of an InGrid is described. This gaseous detector, based on a highly pixelized readout chip with an integrated Micromegas grid, allows for a topological analysis of each event and, thus, a distinction between a charged track and a photon conversion is possible in most cases. Because of the high granularity, an energy resolution of 5.2% for 5.9 keV photons was observed and a background reduction of a factor of about 120 was achieved, while retaining 95% efficiency for 5.9 keV photons.
Subjects
arXiv: Physics::Instrumentation and DetectorsHigh Energy Physics::Experiment
free text keywords: Detectors and Experimental Techniques, Advanced infrastructures for detector R&D [9], Gaseous Detector Facilities [9.2], Nuclear and High Energy Physics, Instrumentation, Chip, Nuclear physics, Photon detector, Photon conversion, X-ray detector, Physics, Photon, Gaseous detectors, MicroMegas detector, Granularity
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