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Dose rate effects in the radiation damage of the plastic scintillators of the CMS hadron endcap calorimeter

Author(s)
Apyan, Aram; Bierwagen, Katharina; Brandt, Stephanie Akemi; CMS Collaboration
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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.
Date issued
2016-10
URI
https://hdl.handle.net/1721.1/128806
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Journal of Instrumentation
Publisher
IOP Publishing
Citation
Khachatryan, V. et al. "Dose rate effects in the radiation damage of the plastic scintillators of the CMS hadron endcap calorimeter." Journal of Instrumentation 11, 10 (October 2016): T10004 © 2016 CERN 2016 for the benefit of the CMS collaboration
Version: Final published version
ISSN
1748-0221

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