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Abstract
The Gas Electron Multiplier (GEM) detector was originally proposed as a position sensitive detector to determine trajectories of particles prevenient from high-energy collisions. In order to study the potential of TH-GEM type detectors in dosimetric applications for low energy X-rays, specifically for the mammography standard qualities, it was proposed to construct a prototype with characteristics suitable for such use. In this work the general, structural and material parameters applicable to the necessary conditions were defined, establishing the process of construction of the components of a prototype.
Highlights
The Gas Electron Multiplier (GEM) detector was first proposed by Sauli as a position-sensitive detector, aiming the determination of trajectories of particles provenient from high-energy collisions
In order to study the suitability of TH-GEM detectors for low energy X-rays dosimetry, for the standardized mammography qualities, it was proposed the construction of a portable prototype of a TH-GEM detector with characteristics that fulfill the dosimetric constraints
A great advantage of the GEM and TH-GEM detectors is their easy adaptation in a adaptable format [5]
Summary
The Gas Electron Multiplier (GEM) detector was first proposed by Sauli as a position-sensitive detector, aiming the determination of trajectories of particles provenient from high-energy collisions. These detectors found applications in several areas related to the production of x-ray images [1]. The advantages of the TH-GEM detector are many, outstanding for its high sensitivity and low cost. In order to study the suitability of TH-GEM detectors for low energy X-rays dosimetry, for the standardized mammography qualities, it was proposed the construction of a portable prototype of a TH-GEM detector with characteristics that fulfill the dosimetric constraints. The information will be used in the future as a technical guide for the construction of equivalent dosimeters
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