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There is a long standing debate about whether or not the annual modulation signal reported by the DAMA/LIBRA collaboration is induced by Weakly Interacting Massive Particles~(WIMP) in the galaxy's dark matter halo scattering from nuclides…

DAMA is searching for rare processes by developing and using several kinds of radiopure scintillators: in particular, NaI(Tl), liquid Xenon and CaF$_2$(Eu). The main results are here summarized with particular attention to the investigation…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Belli , R. Bernabei , M. Amato , F. Cappella , R. Cerulli , C. J. Dai , H. L. He , G. Ignesti , A. Incicchitti , H. H. Kuang , J. M. Ma , F. Montecchia , F. Nozzoli , D. Prosperi

Direct detection dark matter experiments looking for WIMP-nucleus elastic scattering will soon be sensitive to an irreducible background from neutrinos which will drastically affect their discovery potential. Here we explore how the…

High Energy Physics - Phenomenology · Physics 2015-06-22 F. Ruppin , J. Billard , E. Figueroa-Feliciano , L. Strigari

The annihilation of neutralino dark matter may result in observable signals in different wavelength. In the present paper we will discuss the effect of neutralino annihilation in the halo of our Galaxy and in its center. According to high…

Astrophysics · Physics 2016-11-09 Roberto Aloisio

The present DAMA/LIBRA experiment and the former DAMA/NaI have cumulatively released so far the results obtained with the data collected over 13 annual cycles (total exposure: 1.17 ton $\times$ yr). They give a model independent evidence of…

Cosmology and Nongalactic Astrophysics · Physics 2010-07-06 R. Bernabei , P. Belli , F. Cappella , R. Cerulli , C. J. Dai , A. d'Angelo , H. L. He , A. Incicchitti , X. H. Ma , F. Montecchia , F. Nozzoli , D. Prosperi , X. D. Sheng , Z. P. Ye , R. G. Wang

Three dark matter direct detection experiments, DAMA, COGENT and CRESST, have reported a possible signal of WIMP interaction corresponding to very light particles, close to the edge of the XENON 100 and CDMS sensitivity. Imposing the latest…

High Energy Physics - Phenomenology · Physics 2012-11-13 F. Mahmoudi , A. Arbey , M. Battaglia

DAMA is searching for rare processes by developing and using several kinds of radiopure scintillators: in particular, NaI(Tl), liquid Xenon and CaF$_2$(Eu). Here only the results released so far on the WIMP annual modulation signature are…

The long-standing model-independent annual modulation effect measured by DAMA Collaboration is examined in the context of asymmetric mirror dark matter, assuming that dark atoms interact with target nuclei in the detector via kinetic mixing…

High Energy Physics - Experiment · Physics 2015-09-03 A. Addazi , Z. Berezhiani , R. Bernabei , P. Belli , F. Cappella , R. Cerulli , A. Incicchitti

We reexamine the model-independent data analysis methods for extracting properties of Weakly Interacting Massive Particles (WIMPs) by using data (measured recoil energies) from direct Dark Matter detection experiments directly and, as a…

High Energy Physics - Phenomenology · Physics 2015-05-20 Chung-Lin Shan

The MIMAC project aims to provide a nominal fluorine detector for directional detection of galactic dark matter recoil events. Its expected behavior reaches an important part of the predicted spin dependent elastic scattering interactions…

High Energy Physics - Phenomenology · Physics 2012-04-19 Daniel Albornoz Vasquez

We examine the recent CDMS II results in the context of the mirror matter interpretation of the DAMA/NaI experiment.We find that the favoured mirror matter interpretation of the DAMA/NaI experiment -- a $He'/H'$ dominated halo with a small…

Astrophysics · Physics 2008-11-26 R. Foot

The DAMA/LIBRA experiment searches for evidence of Dark Matter scattering off nuclei. Data from DAMA show 9.2 sigma evidence for an annual modulation, consistent with Dark Matter having a cross section around 2x10^(-40) cm^2. However this…

High Energy Physics - Phenomenology · Physics 2014-08-22 Jonathan H. Davis

The DAMA/LIBRA-phase1 and the former DAMA/NaI data (cumulative exposure 1.33 ton $\times$ yr, corresponding to 14 annual cycles) give evidence at 9.3 $\sigma$ C.L. for the presence of Dark Matter (DM) particles in the galactic halo, on the…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-23 R. Bernabei

The effect of some possible non standard WIMP velocity distributions, like the Debris Flows recently proposed, on the direct dark matter detection rates is investigated. We find that such distributions may be deciphered from the data,…

High Energy Physics - Phenomenology · Physics 2013-05-30 J. D. Vergados

The combination of S-matrix unitarity and the dynamics of thermal freeze-out for massive relic particles (denoted here simply by WIMPs) implies a lower limit on the density of such particles, that provide a (potentially sub-dominant)…

High Energy Physics - Phenomenology · Physics 2015-07-29 Kfir Blum , Yanou Cui , Marc Kamionkowski

New upper bounds on direct detection rates have recently been presented by a number of experimental collaborations working on searches for WIMPs. In this paper we analyze how the constraints on relic neutralinos which can be derived from…

High Energy Physics - Phenomenology · Physics 2015-06-25 A. Bottino , F. Donato , N. Fornengo , S. Scopel

The aim of the current work is a detailed time-series analysis of the data from Dark Matter direct detection experiments as well as related datasets. We examine recent claims that the cosmic ray muon flux can be responsible for generating…

High Energy Physics - Phenomenology · Physics 2015-03-19 Spencer Chang , Josef Pradler , Itay Yavin

Recent N-body simulations indicate that a thick disc of dark matter, co-rotating with the stellar disc, forms in a galactic halo after a merger at a redshift $z<2$. The existence of such a dark disc component in the Milky Way could affect…

Astrophysics of Galaxies · Physics 2014-11-20 Fu-Sin Ling

We consider the prospects to use polarized dark-matter detectors to discriminate between various dark-matter models. If WIMPs are fermions and participate in parity-violating interactions with ordinary matter, then the recoil-direction and…

Cosmology and Nongalactic Astrophysics · Physics 2012-12-20 Chi-Ting Chiang , Marc Kamionkowski , Gordan Z. Krnjaic

Detailed Monte Carlo simulations of the expected radioactive background rates and spectra in NaI crystals are presented. The obtained spectra are then compared to those measured in the DAMA/NaI and DAMA/LIBRA experiments. The simulations…

High Energy Physics - Experiment · Physics 2015-05-14 V. A. Kudryavtsev , M. Robinson , N. J. C. Spooner
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