Speaker
Description
The RELICS experiment is dedicated to the search for the Coherent Elastic ν-Nucleus Scattering (CEvNS) process between neutrinos of approximately MeV energy and xenon nuclei, to be conducted at the Sanmen nuclear power plant using a ～30-kilogram dual-phased xenon detector. We have developed a dual-phased Xenon Time Projection Chamber prototype, the RELICS prototype, containing ~0.6 kg of xenon in the sensitive volume to verify the functionality of the RELICS detector. This prototype aims to maximize the efficiency of single-electron detection, which is the key to CEvNS measurement. It is also used to test the cryogenic, purification, storage, slow control and data acquisition systems to be employed by the RELICS experiment. In this talk, we summarize the design, construction, and operation of the RELICS prototype. Specific focus is given to the single electron detection and calibrations with internal Kr83m and Ar37 sources, demonstrating the energy threshold for the RELICS experiment. Through these advancements, the RELICS project aims to pioneer the detection of neutrino signals on the ground, detecting the high neutrino flux from the Sanmen reactor.
