The impact of helium exposure on the PMTs of the SuperNEMO experiment

Xalbat Aguerre, A.S. Barabash, A. Basharina-Freshville, M. Bongrand, C. Bourgeois, D. Breton, R. Breier, José Busto

Abstract The performance of Hamamatsu 8” photomultiplier tubes (PMTs) of the type used in the SuperNEMO neutrinoless double-beta decay experiment (R5912-MOD)...