DAMA/LIBRA annual modulation and Axion Quark Nugget Dark Matter Model

Abstract

The DAMA/LIBRA experiment shows $9.5\sigma$ evidence for an annual modulation in the $(1-6)\mathrm{keV}$ energy range, strongly suggesting that the observed modulation has the dark matter origin. However, the conventional interpretation in terms of WIMP-nucleon interaction is excluded by other experiments. We propose an alternative source of modulation in the form of neutrons, which have been liberated from surrounding material. Our computations are based on the so-called Axion Quark Nugget (AQN) dark matter model, which was originally invented long ago to explain the similarity between the dark and visible cosmological matter densities, i.e. ${\Omega }_{\mathrm{dark}}\sim {\Omega }_{\mathrm{visible}}$. In our proposal the annual modulation is shown to be generated in keV energy range which is consistent with DL observation in $(1-6)\mathrm{keV}$ range. This keV energy scale in our proposal is mostly determined by spectral properties of the neutrinos emitted by the AQN dark matter particles, while the absence of the modulation with energies above 6 keV is explained by a sharp cutoff in the neutrino's energy spectrum at $\sim 15$ MeV. This proposal can be directly tested by COSINE-100, ANAIS-112, CYGNO and other similar experiments. It can be also tested by studying the correlations between the signals from these experiments and the signatures from drastically different detectors designed for studies of the infrasonic or seismic events using such instruments as Distributed Acoustic Sensing (DAS).

arXiv commentmatches the published version (Phys Rev D). added: new refs and Section VD on search for the correlations between the DL signals and the signatures from infrasonic or seismic events using such instruments as Distributed Acoustic Sensing

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Cited by in corpus (12)

• Strong constraints from COSINE-100 on the DAMA dark matter results using the same sodium iodide target
• Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna
• Infrasonic, acoustic and seismic waves produced by the Axion Quark Nuggets
• Radiation from matter-antimatter annihilation in the quark nugget model of dark matter
• The ANITA Anomalous Events and Axion Quark Nuggets
• Radio impulsive events in quiet solar corona and Axion Quark Nugget Dark Matter
• A Proposed Network to Detect Axion Quark Nugget Dark Matter
• The Mysterious Bursts observed by Telescope Array and Axion Quark Nuggets
• X-ray annual modulation observed by XMM-Newton and Axion Quark Nugget Dark Matter
• Telescope Array Bursts, Radio Pulses and Axion Quark Nuggets
• Radiation from cold molecular clouds and Sun chromosphere produced by anti-quark nugget dark matter
• Production and suppression of delayed light in NaI