Double Beta Decay Experiment


Kamioka-cho in early April. Late snow day.

The entrance of the laboratory.

Poster for visitors.

Main tank of CANDLES

Photomultiplier tubes(PMTs)

Inside view of main tank after PMT installtion.

Photomultiplier tubes for the upper side of the main tank.

Instruction of the shielding system.

96 CaF2 cystals. Total mass is ~300 kg.

Photomultiplier tubes(PMTs) and CaF2 cystals.

CaF2 cystals into the main tank.

Inside of a electric hut.

Light pipe, which consists of acrylic plate and reflector film.

Inside view of main tank after installtion of the light pipe system.