Study of radiation damage and possible upgrade of the CMS ECAL Laser Monitoring system

Y. Savchenko

doi:10.1088/1742-6596/1337/1/012007

Study of radiation damage and possible upgrade of the CMS ECAL Laser Monitoring system

Research output: Contribution to journal › Conference article › peer-review

Abstract

The Electromagnetic Calorimeter (ECAL), one of the main subsystems of the CMS detector, measures the energies of electrons and photons. The ECAL consists of 75848 lead tungstate (PbWO₄) crystals. The transparency of crystals is affected by irradiation, and the laser monitoring system is designed to measure the transparency changes for each ECAL crystal over time. In the future, the High-Luminosity LHC upgrade will increase the integrated luminosuty of the LHC and lead to higher radiation damage in all components of the CMS detector. In this work we report the proposed upgrade for the laser monitoring system and the results of computing crystal transparencies based on Run 2 data.

Original language	English
Article number	012007
Journal	Journal of Physics: Conference Series
Volume	1337
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/1337/1/012007
Publication status	Published - 11 Oct 2019
Event	2nd Trans-Siberian School on High Energy Physics 2019 - Tomsk, Russian Federation Duration: 1 Apr 2019 → 5 Apr 2019

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title = "Study of radiation damage and possible upgrade of the CMS ECAL Laser Monitoring system",

abstract = "The Electromagnetic Calorimeter (ECAL), one of the main subsystems of the CMS detector, measures the energies of electrons and photons. The ECAL consists of 75848 lead tungstate (PbWO4) crystals. The transparency of crystals is affected by irradiation, and the laser monitoring system is designed to measure the transparency changes for each ECAL crystal over time. In the future, the High-Luminosity LHC upgrade will increase the integrated luminosuty of the LHC and lead to higher radiation damage in all components of the CMS detector. In this work we report the proposed upgrade for the laser monitoring system and the results of computing crystal transparencies based on Run 2 data.",

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N2 - The Electromagnetic Calorimeter (ECAL), one of the main subsystems of the CMS detector, measures the energies of electrons and photons. The ECAL consists of 75848 lead tungstate (PbWO4) crystals. The transparency of crystals is affected by irradiation, and the laser monitoring system is designed to measure the transparency changes for each ECAL crystal over time. In the future, the High-Luminosity LHC upgrade will increase the integrated luminosuty of the LHC and lead to higher radiation damage in all components of the CMS detector. In this work we report the proposed upgrade for the laser monitoring system and the results of computing crystal transparencies based on Run 2 data.

AB - The Electromagnetic Calorimeter (ECAL), one of the main subsystems of the CMS detector, measures the energies of electrons and photons. The ECAL consists of 75848 lead tungstate (PbWO4) crystals. The transparency of crystals is affected by irradiation, and the laser monitoring system is designed to measure the transparency changes for each ECAL crystal over time. In the future, the High-Luminosity LHC upgrade will increase the integrated luminosuty of the LHC and lead to higher radiation damage in all components of the CMS detector. In this work we report the proposed upgrade for the laser monitoring system and the results of computing crystal transparencies based on Run 2 data.

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DO - 10.1088/1742-6596/1337/1/012007

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T2 - 2nd Trans-Siberian School on High Energy Physics 2019

Y2 - 1 April 2019 through 5 April 2019

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Study of radiation damage and possible upgrade of the CMS ECAL Laser Monitoring system

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