TY - JOUR

T1 - Study of radiation damage and possible upgrade of the CMS ECAL Laser Monitoring system

AU - Savchenko, Y.

PY - 2019/10/11

Y1 - 2019/10/11

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.

UR - http://www.scopus.com/inward/record.url?scp=85075241011&partnerID=8YFLogxK

U2 - 10.1088/1742-6596/1337/1/012007

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

M3 - Conference article

AN - SCOPUS:85075241011

VL - 1337

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

SN - 1742-6588

IS - 1

M1 - 012007

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

Y2 - 1 April 2019 through 5 April 2019

ER -