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Strong constraints from COSINE-100 on the DAMA dark matter results using the same sodium iodide target

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arxiv 2104.03537 v2 pith:JRECHGHA submitted 2021-04-08 hep-ex astro-ph.CO

classification hep-exastro-ph.CO
keywords darkmattercosine-100damasametargetconstraintsdata
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We present new constraints on dark matter interactions using 1.7 years of COSINE-100 data. The COSINE-100 experiment, consisting of 106 kg of tallium-doped sodium iodide (NaI(Tl)) target material, is aimed at testing DAMA's claim of dark matter observation using the same NaI(Tl) detectors. Improved event selection requirements, a more precise understanding of the detector background and the use of a larger data set considerably enhances the COSINE-100 sensitivity for dark matter detection. No signal consistent with the dark matter interaction is identified, and rules out model-dependent dark matter interpretations of the DAMA signals in the specific context of standard halo model with the same NaI(Tl) target for various interaction hypotheses.

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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. DAMA/LIBRA and dark matter: decisive tension or contrived cancellation

    hep-ph 2025-10 conditional novelty 6.0 of 10

    DAMA's annual modulation signal is incompatible at >5σ with ANAIS-112 and COSINE-100 under physical dark-matter recoil models; reconciliation requires contrived opposite-sign sodium/iodine tuning.

  2. The CRESST experiment: towards the next-generation of sub-GeV direct dark matter detection

    astro-ph.CO 2025-05 conditional novelty 4.0 of 10

    CRESST's projected 288-channel upgrade with gram-scale CaWO4 detectors could reach spin-independent dark matter cross sections near 10^-42 cm^2 at 1 GeV/c^2, if the low-energy excess is reduced by a factor of 10 to 100.

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