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Dose rate effects in the radiation damage of the plastic scintillators of the CMS Hadron Endcap Calorimeter


Abstract

We present measurements of the reduction of light output by plastic scintillators irradiated in the CMS detector during the 8 TeV run of the Large Hadron Collider and show that they indicate a strong dose rate effect. The damage for a given dose is larger for lower dose rate exposures. The results agree with previous measurements of dose rate effects, but are stronger due to the very low dose rates probed. We show that the scaling with dose rate is consistent with that expected from diffusion effects.

Abstract

We present measurements of the reduction of light output by plastic scintillators irradiated in the CMS detector during the 8 TeV run of the Large Hadron Collider and show that they indicate a strong dose rate effect. The damage for a given dose is larger for lower dose rate exposures. The results agree with previous measurements of dose rate effects, but are stronger due to the very low dose rates probed. We show that the scaling with dose rate is consistent with that expected from diffusion effects.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Mathematical Physics
Physical Sciences > Instrumentation
Language:English
Date:2016
Deposited On:07 Jan 2020 15:17
Last Modified:31 Jul 2020 03:45
Publisher:IOP Publishing
ISSN:1748-0221
Additional Information:ERRATUM: https://doi.org/10.1088/1748-0221/14/08/E08001
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1088/1748-0221/11/10/T10004

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Download PDF  'Dose rate effects in the radiation damage of the plastic scintillators of the CMS Hadron Endcap Calorimeter'.
Preview
Content: Published Version
Filetype: PDF (Erratum)
Size: 309kB
Licence: Creative Commons: Attribution 3.0 Unported (CC BY 3.0)