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NEWAGE is a direction-sensitive dark matter search using a low-pressuregaseous time projection chamber. A low alpha-ray emission rate micro pixelchamber had been developed in order to reduce background for dark mattersearch. We conducted the dark matter search at the Kamioka Observatory in 2018.The total live time was 107.6 days corresponding to an exposure of 1.1kg${\cdot}$days. Two events remained in the energy region of 50-60 keV whichwas consistent with 2.5 events of the expected background. A directionalanalysis was carried out and no significant forward-backward asymmetry derivedfrom the WIMP-nucleus elastic scatterings was found. Thus a 90% confidencelevel upper limit on Spin-Dependent WIMP-proton cross section of 50 pb for aWIMP mass of 100 GeV/c2 was derived. This limit is the most stringent yetobtained from direction-sensitive dark matter search experiments.

Direction-sensitive dark matter search with a low-background gaseous detector NEWAGE-0.3b''