The Cesium source calibration and monitoring system of the ATLAS Tile Calorimeter: design, construction and results
This article describes the design, construction and use of a calibration and monitoring system, based on movable 137Cs γ-ray sources, for the ATLAS Tile Calorimeter (TileCal). The sources, propelled by a water-based liquid through tubes that traverse all the calorimeter's cells, produce signals...
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| Veröffentlicht in: | Journal of instrumentation 2020-03, Vol.15 (3), p.P03017-P03017 |
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| creator | Blanchot, G. Bosman, M. Budagov, J. Cavalli-Sforza, M. Efthymiopoulos, I. Isaev, A. Ivanyushenkov, Y. Karyukhin, A. Kopikov, S. Nessi, M. Senko, V. Shalanda, N. Soldatov, M. Solodkov, A. Solovyanov, O. Starchenko, E. Tsoupko-Sitnikov, V. Vichou, I. Zaitsev, A. |
| description | This article describes the design, construction and use of a calibration and monitoring system, based on movable 137Cs γ-ray sources, for the ATLAS Tile Calorimeter (TileCal). The sources, propelled by a water-based liquid through tubes that traverse all the calorimeter's cells, produce signals that precisely characterise the response of each tile, thereby providing very granular and accurate data on the response of TileCal to particles. The system has been used to guide and control the quality of the optical instrumentation of all TileCal modules, to set and equalise the dynamic range of the response to physics data, and to set the energy scale of the readout system. In the ATLAS cavern, periodic measurements of the whole detector's response to 137Cs sources allow monitoring the uniformity and stability of all the calorimeter's cells as well as maintaining precise knowledge of its energy calibration. The design of the source hydraulic drive system's hardware and software, the data acquisition system and the data processing algorithms are described. Finally, the results of this two-decade program are shown. |
| doi_str_mv | 10.1088/1748-0221/15/03/P03017 |
| format | Article |
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The sources, propelled by a water-based liquid through tubes that traverse all the calorimeter's cells, produce signals that precisely characterise the response of each tile, thereby providing very granular and accurate data on the response of TileCal to particles. The system has been used to guide and control the quality of the optical instrumentation of all TileCal modules, to set and equalise the dynamic range of the response to physics data, and to set the energy scale of the readout system. In the ATLAS cavern, periodic measurements of the whole detector's response to 137Cs sources allow monitoring the uniformity and stability of all the calorimeter's cells as well as maintaining precise knowledge of its energy calibration. The design of the source hydraulic drive system's hardware and software, the data acquisition system and the data processing algorithms are described. 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Finally, the results of this two-decade program are shown.</description><subject>Algorithms</subject><subject>Calibration</subject><subject>Cesium 137</subject><subject>Cesium isotopes</subject><subject>Control equipment</subject><subject>Data processing</subject><subject>Gamma ray sources</subject><subject>Hydraulic drives</subject><subject>Monitoring</subject><subject>Monitoring systems</subject><subject>Tubes</subject><issn>1748-0221</issn><issn>1748-0221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpNkF9LwzAUxYMoOKdfQQK-WnuTtEnr2xj-g4GC9TlkaTI72mYm6cO-vRmT4dO9l3vuuZwfQrcEHghUVU5EUWVAKclJmQPLP4ABEWdodlqc_-sv0VUIW4CyLguYodB8G7w0oZsGHNzktcFa9d3aq9i5EauxxYMbu-h8N25w2IdoBuwsjuls0awWn7jp-uSg-qQYTDT-EbfJbjPeY-3GEP2kT07ehKmP4RpdWNUHc_NX5-jr-alZvmar95e35WKVacZFzLhqmaDcMMU1LzS3pkhzC5a2RHFhtalaLTjUtqCCk9JWhaWWtWsBNQAxbI7ujr47734mE6LcpoRjeikpqyjUtOZ1UvGjSnsXgjdW7lIS5feSgDwAlgd28sBOklICk0fA7Be8rG8-</recordid><startdate>20200301</startdate><enddate>20200301</enddate><creator>Blanchot, G.</creator><creator>Bosman, M.</creator><creator>Budagov, J.</creator><creator>Cavalli-Sforza, M.</creator><creator>Efthymiopoulos, I.</creator><creator>Isaev, A.</creator><creator>Ivanyushenkov, Y.</creator><creator>Karyukhin, A.</creator><creator>Kopikov, S.</creator><creator>Nessi, M.</creator><creator>Senko, V.</creator><creator>Shalanda, N.</creator><creator>Soldatov, M.</creator><creator>Solodkov, A.</creator><creator>Solovyanov, O.</creator><creator>Starchenko, E.</creator><creator>Tsoupko-Sitnikov, V.</creator><creator>Vichou, I.</creator><creator>Zaitsev, A.</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20200301</creationdate><title>The Cesium source calibration and monitoring system of the ATLAS Tile Calorimeter: design, construction and results</title><author>Blanchot, G. ; 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| subjects | Algorithms Calibration Cesium 137 Cesium isotopes Control equipment Data processing Gamma ray sources Hydraulic drives Monitoring Monitoring systems Tubes |
| title | The Cesium source calibration and monitoring system of the ATLAS Tile Calorimeter: design, construction and results |
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