Effect of neutron and gamma-ray irradiation on the transmittance power of glasses and glues

LHC, working at the expected nominal luminosity, will induce an extremely high irradiation in the CMS experiment. The CMS alignment system uses optical elements to build the laser beams paths. Optical properties of basic components such as glasses and glues may result affected and their transmission...

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Detalles Bibliográficos
Autores principales: Beigveder, J M, Arce, P, Barcala, JM, Calvo, E, Fernández, M G, Ferrando, A, Figueroa, C F, Fuentes, J, Genova, I, Josa-Mutuberria, I, Molinero, A, Oller, J C, Pérez, G, Rodrigo, T, Ruiz, J A
Lenguaje:eng
Publicado: 2002
Materias:
Health Physics and Radiation Effects
Acceso en línea:https://dx.doi.org/10.1016/S0168-9002(02)01560-7
http://cds.cern.ch/record/722178
Descripción
Sumario:LHC, working at the expected nominal luminosity, will induce an extremely high irradiation in the CMS experiment. The CMS alignment system uses optical elements to build the laser beams paths. Optical properties of basic components such as glasses and glues may result affected and their transmission power may degrade significantly. We have proceeded to a first test of various glasses and glues and identified some of them that can stand up to 150 kGy of gamma-rays plus 5 multiplied by 10**1**4 neutrons/cm**2.

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