Two-Parameter Analysis of the Temporal Behaviour of Resistive Detectors
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| Format: | Artículo científico |
| Langue: | en |
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Sociedade Brasileira de Física
2004
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| _version_ | 1876480014697889792 |
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| author | Vito R. Vanin |
| author_facet | Vito R. Vanin |
| contents | Two-Parameter Analysis of the Temporal Behaviour of Resistive Detectors Vito R. Vanin Paulo R. Pascholati Tiago P. Peixoto Carmen C. Bueno Josemary A.C. Gonçalves Física, Astronomía y Matemáticas The biggest constraint in the RPCs operation is the drop of their efficiency with the counting rate, consequenceof charge gain decrease. This effect is normally attributed to the voltage drop on the dielectrics, although notsupported by quantitative measurement. In this work we present the first results of a two-parameter analysisof the charge pulse height time variation from a cylindrical resistive detector, operating in proportional regime,under high irradiation rates. The dynamic behaviour of this detector was investigated through the determinationof the time decay constants related to its stationary condition, where the charge gain becomes constant. Toperform this study, a data acquisition system, which allows the users to observe in real-time the temporalvariation of the energy spectrum, was specially designed. The fitting of the peak centroid position as a functionof time, obtained for rates range from 220Hz up to 1230Hz, showed it can be described by a sum of twoexponentials plus a constant term, what is in accordance to the dielectric delayed polarization processes. 2004 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46434587 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3A Vol.34 |
| format | Artículo científico |
| id | redalyc_46434587 |
| institution | Redalyc |
| language | en |
| publishDate | 2004 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Two-Parameter Analysis of the Temporal Behaviour of Resistive Detectors Vito R. Vanin Física, Astronomía y Matemáticas Two-Parameter Analysis of the Temporal Behaviour of Resistive Detectors Vito R. Vanin Paulo R. Pascholati Tiago P. Peixoto Carmen C. Bueno Josemary A.C. Gonçalves Física, Astronomía y Matemáticas The biggest constraint in the RPCs operation is the drop of their efficiency with the counting rate, consequenceof charge gain decrease. This effect is normally attributed to the voltage drop on the dielectrics, although notsupported by quantitative measurement. In this work we present the first results of a two-parameter analysisof the charge pulse height time variation from a cylindrical resistive detector, operating in proportional regime,under high irradiation rates. The dynamic behaviour of this detector was investigated through the determinationof the time decay constants related to its stationary condition, where the charge gain becomes constant. Toperform this study, a data acquisition system, which allows the users to observe in real-time the temporalvariation of the energy spectrum, was specially designed. The fitting of the peak centroid position as a functionof time, obtained for rates range from 220Hz up to 1230Hz, showed it can be described by a sum of twoexponentials plus a constant term, what is in accordance to the dielectric delayed polarization processes. 2004 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46434587 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3A Vol.34 |
| title | Two-Parameter Analysis of the Temporal Behaviour of Resistive Detectors |
| topic | Física, Astronomía y Matemáticas |
| url | https://www.redalyc.org/articulo.oa?id=46434587 |