First Indication of Solar8BNeutrinos through Coherent Elastic Neutrino-Nucleus Scattering in PandaX-4T,Physical Review Letters

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First Indication of Solar8BNeutrinos through Coherent Elastic Neutrino-Nucleus Scattering in PandaX-4T
Physical Review Letters ( IF 8.1 ) Pub Date : 2024-11-07 , DOI: 10.1103/physrevlett.133.191001
Zihao Boet al.(PandaX Collaboration)

The PandaX-4T liquid xenon detector at the China Jinping Underground Laboratory is used to measure the solar

8 B

neutrino flux by detecting neutrinos through coherent scattering with xenon nuclei. Data samples requiring the coincidence of scintillation and ionization signals (paired), as well as unpaired ionization-only signals (US2), are selected with energy threshold of approximately 1.1 keV (0.33 keV) nuclear recoil energy. Combining the commissioning run and the first science run of PandaX-4T, a total exposure of 1.20 and