Speaker
Xiaoying Lu
Description
The precise measurement of solar neutrino flux is essential for the Standard Solar Model (SSM) and neutrino physics. The proton-proton (pp) fusion chain dominates the neutrino production in the Sun, and pp neutrinos contribute roughly 91% of the solar neutrino flux. PandaX-4T, an experiment located in China Jinping underground Laboratory, aims to detect dark matter and astrophysical neutrinos using a large-scale dual-phase xenon TPC. In this talk, using the 0.63 tonne×year exposure of PandaX-4T, the first measurement of solar pp neutrinos below 165 keV electron recoil energy with a natural xenon detector will be presented.
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