The New Phase of Super-Kamiokande: SK-Gd
A. Goldsack* and On behalf of the Super-Kamiokande Collaboration
Published on:
March 31, 2022
Abstract
With the addition of 0.02% Gd sulphate to its water in the summer of 2020, the Super-Kamiokande experiment entered a new phase: SK-Gd. Gd doping allows for far greater sensitivity to the detection of neutrons emitted in inverse beta decay than with just pure water. This is thanks to gadolinium’s clear neutron capture signal and large neutron capture cross section. This long-awaited chapter in SK’s story aims to deliver exciting new results in the realm of low energy electron antineutrinos, especially in measuring the diffuse supernova neutrino background. The supporting research and development leading up to SK-Gd, the Gd loading procedure and the current status of the detector are reported.
DOI: https://doi.org/10.22323/1.402.0170
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