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XENON1T Dark Matter Data Analysis: Signal & Background Models, and Statistical Inference

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arxiv 1902.11297 v2 pith:UWMNKAPX submitted 2019-02-28 physics.ins-det hep-ex

E. Aprile , J. Aalbers , F. Agostini , M. Alfonsi , L. Althueser , F. D. Amaro , V. C. Antochi , F. Arneodo
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This is my paper · ORCID
classification physics.ins-dethep-ex
keywords xenon1tbackgrounddarkdetectormatterdataexperimentinference
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abstract

The XENON1T experiment searches for dark matter particles through their scattering off xenon atoms in a 2 tonne liquid xenon target. The detector is a dual-phase time projection chamber, which measures simultaneously the scintillation and ionization signals produced by interactions in target volume, to reconstruct energy and position, as well as the type of the interaction. The background rate in the central volume of XENON1T detector is the lowest achieved so far with a liquid xenon-based direct detection experiment. In this work we describe the response model of the detector, the background and signal models, and the statistical inference procedures used in the dark matter searches with a 1 tonne$\times$year exposure of XENON1T data, that leaded to the best limit to date on WIMP-nucleon spin-independent elastic scatter cross-section for WIMP masses above 6 GeV/c$^2$.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Searching for a solar relaxion/scalar with XENON1T and LUX

    hep-ph 2019-09 conditional novelty 6.0 of 10

    XENON1T S2 data constrain the solar scalar-electron coupling below 2e-15 at 90% CL, about three times weaker than the best stellar cooling bound.

  2. MeV neutrino dark matter: Relic density, lepton flavour violation and electron recoil

    hep-ph 2019-08 accept novelty 6.0 of 10

    In the SLIM model, lepton flavour violation experiments like MEG exclude most of the parameter space that fits the dark matter relic density, making electron recoil detection hopeless.

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