Dark Matter Search Results from a One Tonne$\times$Year Exposure of XENON1T
E. Aprile, J. Aalbers, F. Agostini, M. Alfonsi, L. Althueser, F. D., Amaro, M. Anthony, F. Arneodo, L. Baudis, B. Bauermeister, M. L., Benabderrahmane, T. Berger, P. A. Breur, A. Brown, A. Brown, E. Brown, S., Bruenner, G. Bruno, R. Budnik, C. Capelli, J. M. R. Cardoso

TL;DR
This paper reports on a comprehensive search for WIMPs using a one tonne-year exposure of the XENON1T detector, setting new limits on WIMP-nucleon interactions with no detected excess.
Contribution
It presents the results of a large-scale, low-background WIMP search with the XENON1T experiment, improving constraints on WIMP interactions above 6 GeV/c².
Findings
No significant excess over background observed.
Set new upper limits on WIMP-nucleon cross-section.
Excluded new parameter space for WIMPs above 6 GeV/c².
Abstract
We report on a search for Weakly Interacting Massive Particles (WIMPs) using 278.8 days of data collected with the XENON1T experiment at LNGS. XENON1T utilizes a liquid xenon time projection chamber with a fiducial mass of t, resulting in a 1.0 tyr exposure. The energy region of interest, [1.4, 10.6] ([4.9, 40.9] ), exhibits an ultra-low electron recoil background rate of events/. No significant excess over background is found and a profile likelihood analysis parameterized in spatial and energy dimensions excludes new parameter space for the WIMP-nucleon spin-independent elastic scatter cross-section for WIMP masses above 6 GeV/c, with a minimum of cm at 30 GeV/c and 90%…
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