نتایج جستجو برای: semiconductor detectors
تعداد نتایج: 92478 فیلتر نتایج به سال:
Two types of room-temperature detectors of terahertz laser radiation have been developed which allow, in an all-electric manner, the determination of the plane of polarization of linearly polarized radiation and the Stokes parameters of elliptically polarized radiation, respectively. The operation of the detectors is based on photogalvanic effects in semiconductor quantum well structures of low...
The progress in the development of the new international Gerda (GErmanium Detector Array) experiment is presented. Main purpose of the experiment is to search for the neutrinoless double beta decay of Ge. The experimental set up is under construction in the underground laboratory of LNGS. Gerda will operate with bare germanium semiconductor detectors (enriched in Ge) situated in liquid argon. I...
The study of neutrinoless double beta decay (DBD) is the only presently known approach to the fundamental question if the neutrino is a Majorana particle, i.e. its own anti-particle. The observation of neutrinoless DBD would not only establish the Majorana nature of the neutrino but also allow to determine its effective mass if the nuclear matrix elements are given. The status of experiments un...
When a $\gamma$-ray interacts in semiconductor detector, the resulting electron-hole charge clouds drift towards their respective electrodes for signal collection. These will expand over time due to both thermal diffusion and mutual electrostatic repulsion. Solutions profiles are well understood limiting cases accounting only repulsion, but general solution including effects can be solved numer...
The objective of the RD50 collaboration is to develop radiation hard semiconductor detectors for very high luminosity colliders, particularly to face the requirements of the possible upgrade of the large hadron collider (LHC) at CERN. Some of the RD50 most recent results about silicon detectors are reported in this paper, with special reference to: i) the progresses in the characterization of l...
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