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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

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

G. Adhikari , E. Barbosa de Souza , N. Carlin , J. J. Choi , S. Choi , M. Djamal , A. C. Ezeribe , L. E. Fran\c{c}a
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C. Ha I. S. Hahn E. J. Jeon J. H. Jo H. W. Joo W. G. Kang M. Kauer H. Kim H. J. Kim K. W. Kim S. H. Kim S. K. Kim W. K. Kim Y. D. Kim Y. H. Kim Y. J. Ko E. K. Lee H. Lee H. S. Lee H. Y. Lee I. S. Lee J. Lee J. Y. Lee M. H. Lee S. H. Lee S. M. Lee D. S. Leonard B. B. Manzato R. H. Maruyama R. J. Neal S. L. Olsen B. J. Park H. K. Park H. S. Park K. S. Park R. L. C. Pitta H. Prihtiadi S. J. Ra C. Rott K. A. Shin A. Scar N. J. C. Spooner W. G. Thompson L. Yang G. H. Yu
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classification hep-ex astro-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.

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

    hep-ph 2025-10 conditional novelty 6.0

    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. Cosmological Viability of Exponential Infrared $f(T)$ Gravity

    astro-ph.CO 2026-06 unverdicted novelty 4.0

    Exponential IR f(T) gravity Model I alleviates Hubble tension but is disfavoured by combined Planck/ACT/SPT+DESI+Pantheon+ data; Model II is ruled out because background constraints force unphysical shifts in CMB parameters.