نتایج جستجو برای: radiation detector
تعداد نتایج: 291530 فیلتر نتایج به سال:
The development of Monolithic Active Pixel Sensors for the CBM vertex detector is mainly driven by two issues: the read-out speed and the tolerance to non-ionising radiation. Significant progress was achieved in 2005 in these two areas, as well as for the tolerance to ionising radiation and for the sensor thinning [1, 2]. Simulation studies were also performed in order to optimize the design of...
background: radiosurgery is a focal brain irradiation technique that delivers, usually in a single session, high dose of ionizing radiation. the presence of lateral electronic disequilibrium and steep dose gradients in small fields demands special attention to the selection of a suitable detector with respect to its size, composition and response. materials and methods : small circular fields w...
In order to evaluate the response to cosmic-ray nuclei of a Compton-Scatter Transition Radiation Detector in the proposed ACCESS space-based mission, a hybrid Monte Carlo simulation using GEANT3 and an external transition radiation (TR) generator routine was constructed. This simulation was employed to study the effects of delta-ray production induced by high-energy nuclei and to maximize the r...
Detection of X- and gamma-rays is essential to a wide range applications from medical imaging high energy physics, astronomy, homeland security. Cadmium zinc telluride (CZT) the most widely used material for room-temperature detector has been fulfilling requirements growing detection demands over last three decades. However, CZT still suffers presence density performance-limiting defects, such ...
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