منابع مشابه
Resistive Plate Chambers in ATLAS
The ATLAS first level muon trigger is based, in the rapidity region ( v ( 5 1.05, on fast and finely segmented gaseous detectors, Resistive Plate Chambers (RPCs) . A prototype of a small scale RPC trigger tower has been assembled and tested. We present results on efficiency, time resolution, cluster size and collected charge. The detectors, filled with a non-flammable and environment-safe gas m...
متن کاملInduced signals in resistive plate chambers
We derive theorems for induced signals on electrodes embedded in a medium with a position and frequencydependent permittivity eð~x; sÞ and conductivity sð~x; sÞ that are connected with arbitrary discrete elements. The problem is treated using the quasi-static approximation of Maxwell’s equations for weakly conducting media. The induced signals can be derived by time-dependent weighting fields a...
متن کاملSpace Charge Effects in Resistive Plate Chambers
We extend an existing one dimensional simulation model for avalanche mode RPCs by the inclusion of diffusion and space charge effects. We investigate the influence of space charge on charge spectra, signal rise time, time resolution and charge-to-time correlation. We present a 1.5-dimensional model, which allows fast simulation of events and a two dimensional model that is slower but allows to ...
متن کاملObservation of light from resistive plate chambers
Electrically induced signals and light emissions from Restrictive Plate Chamber (RPC) are simultaneously measured using a glass RPC with transparent high-voltage planes, operating in the streamer mode. With one exception, good correspondence is seen in between the electrical and optical signals in every aspect: signal shapes, pulse heights, timing and afterpulses. The one exception is a possibl...
متن کاملThe dynamic behaviour of Resistive Plate Chambers
In this paper the first attempt to extend the usual ‘‘static’’ simulation of Resistive Plate Chambers to the case when the rate of incident particles is not negligible is described. This is done by coupling a simulation of the process of electrode discharging and charging up, together with a simulation of the avalanche processes taking place in the gas. The model accounts for many of the observ...
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ژورنال
عنوان ژورنال: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
سال: 2004
ISSN: 0168-9002
DOI: 10.1016/j.nima.2004.06.115