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Aging tests and chemical analysis of Resistive Plate Chambers for the trigger of the ALICE dimuon arm

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Title: Aging tests and chemical analysis of Resistive Plate Chambers for the trigger of the ALICE dimuon arm
Authors: Arnaldi, R.1, Chiavassa, E.1, Colla, A.1, Cortese, P.2, Dellacasa, G.2, De Marco, N.1, Ferretti, A.1, Gallio, M.1, Guernane, R.1, Mereu, P.1, Musso, A.1, Oppedisano, C.1, Piccotti, A.1, Poggio, F.1, Scomparin, E.1, Sigaudo, F.1, Travaglia, G. travagli@to.infn.it, Vercellin, E.1, Yermia, F.1
Source: Nuclear Instruments & Methods in Physics Research Section A. Nov2004, Vol. 533 Issue 1/2, p112-115. 4p.
Subjects: Irradiation, Analytical chemistry, Physics instruments, Electric resistors
Abstract: Resistive Plate Chambers operated in streamer mode have been chosen as trigger detectors for the forward dimuon spectrometer of the ALICE experiment. During tests performed at CERN PS, small size prototypes with low-resistivity bakelite electrodes and with a strongly quenched gas mixture have shown the required rate capability, tracking and timing properties. Present efforts are devoted to the study of the detector performance after long irradiation periods. In this paper, a summary of the results of aging tests performed at the Gamma Irradiation Facility at CERN will be presented. Detectors show quite stable performance up to about , as the requirements for 10years operation program at LHC including a safety factor of 2. Afterwards, we observed an increase of the dark current not associated with an increase of the counting rate. We also report results of chemical analysis carried out by different CERN teams on exhaust gases and electrode surfaces of the detectors after aging. [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.)
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DbLabel: Engineering Source
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  Data: Aging tests and chemical analysis of Resistive Plate Chambers for the trigger of the ALICE dimuon 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="%22Chiavassa%2C+E%2E%22">Chiavassa, E.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Colla%2C+A%2E%22">Colla, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cortese%2C+P%2E%22">Cortese, P.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Dellacasa%2C+G%2E%22">Dellacasa, G.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22De+Marco%2C+N%2E%22">De Marco, N.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ferretti%2C+A%2E%22">Ferretti, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Gallio%2C+M%2E%22">Gallio, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Guernane%2C+R%2E%22">Guernane, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mereu%2C+P%2E%22">Mereu, P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Musso%2C+A%2E%22">Musso, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Oppedisano%2C+C%2E%22">Oppedisano, C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Piccotti%2C+A%2E%22">Piccotti, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Poggio%2C+F%2E%22">Poggio, F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Scomparin%2C+E%2E%22">Scomparin, E.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sigaudo%2C+F%2E%22">Sigaudo, F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Travaglia%2C+G%2E%22">Travaglia, G.</searchLink><i> travagli@to.infn.it</i><br /><searchLink fieldCode="AR" term="%22Vercellin%2C+E%2E%22">Vercellin, E.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yermia%2C+F%2E%22">Yermia, F.</searchLink><relatesTo>1</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>. Nov2004, Vol. 533 Issue 1/2, p112-115. 4p.
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  Data: Resistive Plate Chambers operated in streamer mode have been chosen as trigger detectors for the forward dimuon spectrometer of the ALICE experiment. During tests performed at CERN PS, small size prototypes with low-resistivity bakelite electrodes and with a strongly quenched gas mixture have shown the required rate capability, tracking and timing properties. Present efforts are devoted to the study of the detector performance after long irradiation periods. In this paper, a summary of the results of aging tests performed at the Gamma Irradiation Facility at CERN will be presented. Detectors show quite stable performance up to about , as the requirements for 10years operation program at LHC including a safety factor of 2. Afterwards, we observed an increase of the dark current not associated with an increase of the counting rate. We also report results of chemical analysis carried out by different CERN teams on exhaust gases and electrode surfaces of the detectors after aging. [Copyright &y& Elsevier]
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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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=14785819
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