Measuring the attenuation length of water in the CHIPS-M water Cherenkov detector

The water at the proposed site of the CHIPS water Cherenkov detector has been studied to measure its attenuation length for Cherenkov light as a function of filtering time. A scaled model of the CHIPS detector filled with water from the Wentworth 2W pit, proposed site of the CHIPS deployment, in con...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2017-02, Vol.844 (C), p.108-115
Main Authors: Amat, F., Bizouard, P., Bryant, J., Carroll, T.J., Rijck, S. De, Germani, S., Joyce, T., Kriesten, B., Marshak, M., Meier, J., Nelson, J.K., Perch, A.J., Pfützner, M.M., Salazar, R., Thomas, J., Trokan-Tenorio, J., Vahle, P., Wade, R., Wendt, C., Whitehead, L.H., Whitney, M.
Format: Article
Language:English
Subjects:
Absorption
Attenuation
Cherenkov
Detector
Filtration
Instrumentation and Detectors
Neutrino
Physics
Water
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Summary:The water at the proposed site of the CHIPS water Cherenkov detector has been studied to measure its attenuation length for Cherenkov light as a function of filtering time. A scaled model of the CHIPS detector filled with water from the Wentworth 2W pit, proposed site of the CHIPS deployment, in conjunction with a 3.2m vertical column filled with this water, was used to study the transmission of 405nm laser light. Results consistent with attenuation lengths of up to 100m were observed for this wavelength with filtration and UV sterilization alone.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2016.11.032