A quasi-spherical optical module QSM-6M based on the Hamamatsu R877 PMT for the detection of Cherenkov radiation in water

Amelchakov, M.B.; Bogdanov, A.G.; Chiavassa, A.; Gromushkin, D.M.; Dmitryeva, A.N.; Karetnikova, T.A.; Khokhlov, S.S.; Kindin, V.V.; Kokoulin, R.P.; Kompaniets, K.G.; Konovalova, A. Yu; Mannocchi, G.; Pasyuk, N.A.; Petrukhin, A.A.; Shulzhenko, I.A.; Shutenko, V.V.; Trinchero, G.; Yashin, I.I.