Performance of large pixelised Micromegas detectors in the COMPASS environment
New large-size Micromegas detectors are being developed for the future physics program of the COMPASS experiment at CERN. These detectors will have a pixelised readout in their center to detect particles in the beam region, where the particle flux can reach several MHz/cm super(2) in nominal conditi...
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| Veröffentlicht in: | Journal of Instrumentation 2014-02, Vol.9 (2), p.C02005-C02005 |
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| creator | Thibaud, F Abbon, P Andrieux, V Anfreville, M Bedfer, Y Burtin, E Capozza, L Coquelet, C Curiel, Q d'Hose, N Desforge, D Dupraz, K Durand, R Ferrero, A Giganon, A Jourde, D Kunne, F Magnon, A Makke, N Marchand, C Neyret, D Paul, B Platchkov, S Usseglio, M Vandenbroucke, M |
| description | New large-size Micromegas detectors are being developed for the future physics program of the COMPASS experiment at CERN. These detectors will have a pixelised readout in their center to detect particles in the beam region, where the particle flux can reach several MHz/cm super(2) in nominal conditions, and will have to handle high intensity hadron beams (up to a few 10 super(7) hadrons/s) with a discharge rate lower than 0.01 to 0.001 discharge/s. Several prototypes with two different discharge rate reduction technologies (preamplification stage with a GEM foil and resistive read-out with buried resistors) have been studied in the COMPASS beam since 2010. Four of them have been included in the spectrometer since 2012, and have been used for the track reconstruction. Their performance (detection efficiency, space and time resolutions, and discharge rates) for different beam intensities and magnetic fields environments are presented. These detectors play an important role in the track reconstruction at very small angle; their impact is presented, with a particular emphasis on the effect of the background reduction due to an improved cluster selection. |
| doi_str_mv | 10.1088/1748-0221/9/02/C02005 |
| format | Article |
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These detectors play an important role in the track reconstruction at very small angle; their impact is presented, with a particular emphasis on the effect of the background reduction due to an improved cluster selection.</description><subject>CERN</subject><subject>Conferences</subject><subject>Detectors</subject><subject>Discharge</subject><subject>Hadrons</subject><subject>Nuclear Experiment</subject><subject>Particle beams</subject><subject>Physics</subject><subject>Reconstruction</subject><subject>Reduction</subject><subject>Resistors</subject><issn>1748-0221</issn><issn>1748-0221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpNkFFLwzAUhYsoOKc_QcijPtTetEmaPI6iTphuMH0OWXu7VdpmJt3Qf29LZfh0LoePA_cLglsKDxSkjGjKZAhxTCMVQRxlEAPws2By6s__3ZfBlfefPaA4g0nwtkJXWteYNkdiS1Ibt0Wyr76xrjwW5LXKnW1wazwpsMO8s86TqiXdDkm2fF3N1muC7bFytm2w7a6Di9LUHm_-chp8PD2-Z_NwsXx-yWaLMGcgujBJUZmNFGxDJZTMyBj6qoyZkqkocsFzASbJDRMK4rRkUki1ESlQhUVSpJBMg_txd2dqvXdVY9yPtqbS89lCDx1QGkvB0yPt2buR3Tv7dUDf6abyOda1adEevKYpT5iknPIe5SPaP-29w_K0TUEPrvXgUQ8etepDj66TXzMFb8E</recordid><startdate>20140201</startdate><enddate>20140201</enddate><creator>Thibaud, F</creator><creator>Abbon, P</creator><creator>Andrieux, V</creator><creator>Anfreville, M</creator><creator>Bedfer, Y</creator><creator>Burtin, E</creator><creator>Capozza, L</creator><creator>Coquelet, C</creator><creator>Curiel, Q</creator><creator>d'Hose, N</creator><creator>Desforge, D</creator><creator>Dupraz, K</creator><creator>Durand, R</creator><creator>Ferrero, A</creator><creator>Giganon, A</creator><creator>Jourde, D</creator><creator>Kunne, F</creator><creator>Magnon, A</creator><creator>Makke, N</creator><creator>Marchand, C</creator><creator>Neyret, D</creator><creator>Paul, B</creator><creator>Platchkov, S</creator><creator>Usseglio, M</creator><creator>Vandenbroucke, M</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>1XC</scope></search><sort><creationdate>20140201</creationdate><title>Performance of large pixelised Micromegas detectors in the COMPASS environment</title><author>Thibaud, F ; 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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | CERN Conferences Detectors Discharge Hadrons Nuclear Experiment Particle beams Physics Reconstruction Reduction Resistors |
| title | Performance of large pixelised Micromegas detectors in the COMPASS environment |
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