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Final results of the tests on the resistive plate chambers for the ALICE muon arm

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Title: Final results of the tests on the resistive plate chambers for the ALICE muon arm
Authors: Arnaldi, R.1, Baldit, A.2, Barret, V.2, Bastid, N.2, Blanc, A.2, Blanchard, G.2, Chiavassa, E.1,3, Cortese, P.1,4, Crochet, P.2, Dellacasa, G.1,4, De Marco, N.1, Devaux, A.2, Dupieux, P.2, Ferretti, A.1,3, Gallio, M.1,3, Gemme, R.1,4, Grygorian, S.2, Insa, C.2, Jouve, F.2, Lopez, X.2
Source: Nuclear Instruments & Methods in Physics Research Section A. May2009, Vol. 602 Issue 3, p740-743. 4p.
Subjects: Nuclear counters, Bakelite, Muons, Cosmic rays, Heavy ions, Gas leakage, Physics experiments
Geographic Terms: Turin (Italy), Italy
Abstract: Abstract: The trigger for the ALICE muon spectrometer will be issued by single-gap, low resistivity bakelite resistive plate chambers (RPCs). The trigger system consists of four RPC planes arranged in two stations, for a total of 72 detectors. One hundred and sixteen detectors have been assembled and tested in Torino. The tests have been performed with the streamer mixture developed for heavy ion data-taking. The tests include: the detection of gas leaks and parasitic currents; the measurement of the efficiency with cosmic rays, with particular regard to the uniformity of the efficiency throughout the whole active surface, with a granularity of about ; the measurement of the dark current and of the mean and localised noise rate. All the RPCs produced have been characterised. Among them, the detectors to be finally installed in ALICE and some spare have been selected; 17% of all the produced detectors have been discarded. A short description of the test set-up is given. The results of the tests are presented, with particular regard to the performance of the selected detectors. [Copyright &y& Elsevier]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 37826559
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Final results of the tests on the resistive plate chambers for the ALICE muon arm
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  Data: <searchLink fieldCode="AR" term="%22Arnaldi%2C+R%2E%22">Arnaldi, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Baldit%2C+A%2E%22">Baldit, A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Barret%2C+V%2E%22">Barret, V.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Bastid%2C+N%2E%22">Bastid, N.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Blanc%2C+A%2E%22">Blanc, A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Blanchard%2C+G%2E%22">Blanchard, G.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Chiavassa%2C+E%2E%22">Chiavassa, E.</searchLink><relatesTo>1,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Cortese%2C+P%2E%22">Cortese, P.</searchLink><relatesTo>1,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Crochet%2C+P%2E%22">Crochet, P.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Dellacasa%2C+G%2E%22">Dellacasa, G.</searchLink><relatesTo>1,4</relatesTo><br /><searchLink fieldCode="AR" term="%22De+Marco%2C+N%2E%22">De Marco, N.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Devaux%2C+A%2E%22">Devaux, A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Dupieux%2C+P%2E%22">Dupieux, P.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Ferretti%2C+A%2E%22">Ferretti, A.</searchLink><relatesTo>1,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Gallio%2C+M%2E%22">Gallio, M.</searchLink><relatesTo>1,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Gemme%2C+R%2E%22">Gemme, R.</searchLink><relatesTo>1,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Grygorian%2C+S%2E%22">Grygorian, S.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Insa%2C+C%2E%22">Insa, C.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Jouve%2C+F%2E%22">Jouve, F.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Lopez%2C+X%2E%22">Lopez, X.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+A%22">Nuclear Instruments & Methods in Physics Research Section A</searchLink>. May2009, Vol. 602 Issue 3, p740-743. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Nuclear+counters%22">Nuclear counters</searchLink><br /><searchLink fieldCode="DE" term="%22Bakelite%22">Bakelite</searchLink><br /><searchLink fieldCode="DE" term="%22Muons%22">Muons</searchLink><br /><searchLink fieldCode="DE" term="%22Cosmic+rays%22">Cosmic rays</searchLink><br /><searchLink fieldCode="DE" term="%22Heavy+ions%22">Heavy ions</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+leakage%22">Gas leakage</searchLink><br /><searchLink fieldCode="DE" term="%22Physics+experiments%22">Physics experiments</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Turin+%28Italy%29%22">Turin (Italy)</searchLink><br /><searchLink fieldCode="DE" term="%22Italy%22">Italy</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: The trigger for the ALICE muon spectrometer will be issued by single-gap, low resistivity bakelite resistive plate chambers (RPCs). The trigger system consists of four RPC planes arranged in two stations, for a total of 72 detectors. One hundred and sixteen detectors have been assembled and tested in Torino. The tests have been performed with the streamer mixture developed for heavy ion data-taking. The tests include: the detection of gas leaks and parasitic currents; the measurement of the efficiency with cosmic rays, with particular regard to the uniformity of the efficiency throughout the whole active surface, with a granularity of about ; the measurement of the dark current and of the mean and localised noise rate. All the RPCs produced have been characterised. Among them, the detectors to be finally installed in ALICE and some spare have been selected; 17% of all the produced detectors have been discarded. A short description of the test set-up is given. The results of the tests are presented, with particular regard to the performance of the selected detectors. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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