The landmark detection of neutrinos from SN1987A marked the dawn of neutrino astrophysics.The neutrino burst provided essential insights into fundamental properties of neutrinos and served as key probes of stellar evo...The landmark detection of neutrinos from SN1987A marked the dawn of neutrino astrophysics.The neutrino burst provided essential insights into fundamental properties of neutrinos and served as key probes of stellar evolution and supernova dynamics.The recent advancement in coherent elastic neutrino-nucleus scattering enables the detection of core-collapse supernova burst neutrinos using tonne-scale liquid xenon detectors originally designed for dark matter direct detection.Leveraging this capability,we developed and deployed an online supernova monitoring system for the PandaX-4T experiment.This system features a GPS module with millisecond-level timing precision,a low false-alarm rate,and high sensitivity to galactic core-collapse supernova explosion events.The methodology is robust,directly scalable,and planned for implementation in the next-generation PandaX-20T experiment.展开更多
基金supported in part by the National Key R&D Program of China(Grant Nos.2023YFA1606200 and 2023YFA1606203)the National Natural Science Foundation of China(Grant Nos.12090060,12090063,U23B2070,and 12175139)+8 种基金the Office of Science and TechnologyShanghai Municipal Government(Grant Nos.21TQ1400218,22JC1410100,23JC1410200,and ZJ2023-ZD-003)the Discipline Construction Fund of Shandong Universitythe Fundamental Research Funds for the Central Universitiesthe sponsorship from the Chinese Academy of Sciences Center for Excellence in Particle Physics(CCEPP)Thomas and Linda Lau Family FoundationNew Cornerstone Science FoundationTencent Foundation in ChinaYangyang Development Fund。
文摘The landmark detection of neutrinos from SN1987A marked the dawn of neutrino astrophysics.The neutrino burst provided essential insights into fundamental properties of neutrinos and served as key probes of stellar evolution and supernova dynamics.The recent advancement in coherent elastic neutrino-nucleus scattering enables the detection of core-collapse supernova burst neutrinos using tonne-scale liquid xenon detectors originally designed for dark matter direct detection.Leveraging this capability,we developed and deployed an online supernova monitoring system for the PandaX-4T experiment.This system features a GPS module with millisecond-level timing precision,a low false-alarm rate,and high sensitivity to galactic core-collapse supernova explosion events.The methodology is robust,directly scalable,and planned for implementation in the next-generation PandaX-20T experiment.
