Magnetic shielding for large photoelectron multipliers for the OSIRIS facility of the JUNO detectorстатья
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Дата последнего поиска статьи во внешних источниках: 1 мая 2024 г.
Аннотация:We present technical design and characteristics of the magnetic shield developed for 20" PMTs of the low-background OSIRIS facility. A ribbon of amorphous alloy with extreme magnetic permeability was used in its design, providing excellent efficiency in screening the Earth's magnetic field with a relatively small amount of material. The mass of materials is crucial to construction of low-background facilities because of radioactive backgrounds. Using amorphous materials is cost-efficient compared to other methods for screening the Earth's magnetic field.