book chapter · Springer proceedings in physics
Abstract Hyper-Kamiokande is a future international neutrino experiment currently in the process of constructing the biggest detector of its kind, the Hyper-Kamiokande Far Detector (Hyper-K), located in Japan. Expected to commence data collection in 2027, the detector requires periodic calibration for optimal performance. The primary calibration system for low energy will involve the utilization of an electron linear accelerator (LINAC). To validate the results of LINAC, an N16 cloud as source of calibration can be a viable solution. This approach facilitates cross-calibration for the low energy range of Hyper-K by generating a radioactive N16 cloud, strategically positioned in various locations within the water tank. The N16 isotope undergoes isotropic beta decay, with a half-life of 7.13 seconds, which allows for the elevation of the compact nuclear device above the deployment point, minimizing the shadowing effect during data collection. Simulation of N16 generation was conducted using GEANT4, and the properties of the radioactive cloud are discussed.
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DOI: 10.1007/978-3-031-88933-2_37
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