Abstract
We report the first dark matter search results using the commissioning data from PandaX-4T. Using a time projection chamber with 3.7tonne of liquid xenon target and an exposure of 0.63 tonne·year, 1058 candidate events are identified within an approximate nuclear recoil energy window between 5 and 100keV. No significant excess over background is observed. Our data set a stringent limit to the dark matter-nucleon spin-independent interactions, with a lowest excluded cross section (90%C.L.) of 3.8×10^{-47} cm^{2} at a dark matter mass of 40 GeV/c^{2}.
Highlights
We report the first dark matter search results using the commissioning data from PandaX-4T
Using a time projection chamber with 3.7 tonne of liquid xenon target and an exposure of 0.63 tonne · year, 1058 candidate events are identified within an approximate nuclear recoil energy window between 5 and
Our data set a stringent limit to the dark matter–nucleon spin-independent interactions, with a lowest excluded cross section (90% C.L.) of 3.8 × 10−47 cm2 at a dark matter mass of 40 GeV=c2
Summary
We report the first dark matter search results using the commissioning data from PandaX-4T. Our data set a stringent limit to the dark matter–nucleon spin-independent interactions, with a lowest excluded cross section (90% C.L.) of 3.8 × 10−47 cm at a dark matter mass of 40 GeV=c2
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