نتایج جستجو برای: radiation detection
تعداد نتایج: 793122 فیلتر نتایج به سال:
Submitted for the IT05 Meeting of USB Dept. of Physics and Astronomy Sorting Category: 2.2 (E) Generation and Detection of Gravitational Radiation CHRIS KAISER, Department of Physics and Astronomy, Stony Brook University — This talk is divided into two main sections. First, an overview of the theoretical concept of gravitational radiation is given, starting from geometric considerations in Eucl...
For over the last twenty years there has been a multitude of sophisticated three-dimensional radiation delivery procedures developed which requires a corresponding verification of the impact on patients. This article reviews the state of the art in the development of chemical detectors used to characterize the three-dimensional shape of therapeutic radiation. These detectors are composed of pol...
Gravitational-wave detection has been pursued relentlessly for over 40 years. With the imminent operation of a new generation of laser interferometers, it is expected that detections will become a common occurrence. The research into more ambitious detectors promises to allow the field to move beyond detection and into the realm of precision science using gravitational radiation. In this articl...
The discovery of radioactivity was also the birth of the field of radiation measurements. Over the ensuing century, the ability to sense radiation evolved from qualitative observations to precise measurements of its energy, intensity, and location, even as a function of time. The applications that influence the detector R&D have continued to demand more from the detector and analysis systems, a...
The global burden of cancer is increasing at an alarming rate and presents a major health challenge with 14 million new cancer cases expected to be diagnosed yearly.1 Approximately fifty percent of all cancer patients can benefit from radiation therapy in the management of their disease. Over the last decade radiation therapy has developed from simple two dimensional to four dimensional techniq...
Strained-Si modulation doped field effect transistors have been studied as detectors of 0.2 THz and 1.6 THz electromagnetic radiation at room temperature. The difference in the gate voltage dependences for 0.2 THz and 1.6 THz radiation and spatial pattern of the transistor response to focused 1.6 THz radiation confirms that the mechanism of detection is linked to the excitations of the two-dime...
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