نتایج جستجو برای: particle detector
تعداد نتایج: 229410 فیلتر نتایج به سال:
As one of the key components in the CBM experiment, the Transition Radiation Detector (TRD) will play a significant role in the particle identification. A fast detector with double sided readout chambers[1] and a ALICE type of detector with both drift and amplification regions have been designed for the circumstance of high particle rates. We propose to build a fast detector with an amplificati...
An extended monopole detector at constant acceleration coupled to a massless scalar field is allowed to evolve quantum mechanically. It is found that while in the classical, followed by the point particle, limit the usual result (Unruh effect) is recovered, in the point particle (before the classical) limit the detector decouples from the scalar field and therefore the effect disappears. List o...
One of the most important aspects of detector development for the ILC is a good jet energy resolution σE/E. To achieve the goal of high precision measurements σE/E = 0.30/ √ E(GeV) is proposed. The particle flow approach together with highly granular calorimeters is able to reach this goal. This paper presents a new particle flow algorithm, called TrackBased particle flow, and shows first perfo...
A falling particle in the digital registration systems for elementary particles active pixel detector induces electric charge, the value of which describes the parameters of the particle in the detector. Since the electric charge induced by a single particle is relatively weak, the detector signal is first processed (amplified and shaped) right in the zone of irradiation and only then transmitt...
We introduce a model detector which registers the passage of a particle through the detector location, without substantially perturbing the particle wave function. (The exact time of passage is not determined in such measurements.) We then show that our detector can operate in a classically forbidden region and register particles passing through a certain point under a potential barrier. We sho...
ar X iv : h ep - t h / 94 04 16 3 v 1 2 6 A pr 1 99 4 Detection of Particles Under Potential Barrier
We introduce a model detector which registers the passage of a particle through the detector location, without substantially perturbing the particle wave function. (The exact time of passage is not determined in such measurements.) We then show that our detector can operate in a classically forbidden region and register particles passing through a certain point under a potential barrier. We sho...
Recent reports of superhigh energy cosmic rays beyond the expected spectral cuto have intensiied interest in the unknown origin of the highest energy cosmic rays. There is a need for a much larger data base of more precisely measured air showers. This requires new sensitive detectors of enormous aperture. Combining a ground array of particle counters with an optical detector of atmospheric uore...
In this paper, radar detection based on Monte Carlo sampling is studied. Two detectors based on Importance Sampling are presented. In these detectors, called Particle Detector, the approximated likelihood ratio is calculated by Monte Carlo sampling. In the first detector, the unknown parameters are first estimated and are substituted in the likelihood ratio (like 
the GLRT method). In the s...
gamma camera is an important apparatus in nuclear medicine imaging. its detection part is consists of a scintillation detector with aheavy collimator. substitution of semiconductor detectors instead of scintillator in these cameras has been effectively studied. in this study, it is aimed to introduce a new design of p-n semiconductor detector array for nuclear medicine imaging. a p-n semiconduc...
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