Ricochet
Search for the Coherent Elastic Nuclear Scattering of Neutrinos from a reactor
The RICOCHET experiment’s array of 18 germanium cryogenic calorimeters, each housed in an individual copper casing and arranged in two levels of nine detectors.
PhD student Elspeth Cudmore (University of Toronto) finalizes the installation of the fiber optic calibration system. Above the detectors, the internal shielding—comprising 150 kg of lead, polyethylene, and copper—is visible. The entire system is vacuum-sealed and operated at cryogenic temperatures: 15 mK for the CryoCube detectors and 1 K for the internal shielding.
Installation of the copper heat screens of the cryostat.
Floor plan of the RICOCHET instrument located on level C of the ILL reactor building behind the H7 casemate: 1 –cryostat (centered at 8.8 m from the reactor core), 2 – shielding (2a – shielding elements in retracted position for work on the cryostat), 3 – vertical muon veto panels (horizontal panels on top of shielding are not shown), 4 – crane, 5 – data acquisition system (analog electronics and digitizers are installed directly on the cryostat), 6 – compressor and gas handling system of cryostat.
Photo gallery
- The RICOCHET experiment’s array of 18 germanium cryogenic calorimeters, each housed in an individual copper casing and arranged in two levels of nine detectors.
- PhD student Elspeth Cudmore (University of Toronto) finalizes the installation of the fiber optic calibration system. Above the detectors, the internal shielding—comprising 150 kg of lead, polyethylene, and copper—is visible. The entire system is vacuum-sealed and operated at cryogenic temperatures: 15 mK for the CryoCube detectors and 1 K for the internal shielding.
- Installation of the copper heat screens of the cryostat.
- Floor plan of the RICOCHET instrument located on level C behind the H7 casemate: 1 –cryostat (centered at 8.8 m from the reactor core), 2 – shielding (2a – shielding elements in retracted position for work on the cryostat), 3 – vertical muon veto panels (horizontal panels on top of shielding are not shown), 4 – crane, 5 – data acquisition system (analog electronics and digitizers are installed directly on the cryostat), 6 – compressor and gas handling system of cryostat.