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We present two examples of velocity distributions for light dark matter particles that reconcile the annual modulation signal observed by DAMA with all other negative results from dark matter searches. They are: (1) a conventional…

High Energy Physics - Phenomenology · Physics 2009-11-11 Paolo Gondolo , Graciela Gelmini

We present two examples of velocity distributions for light dark matter particles that reconcile the annual modulation signal observed by DAMA with all other negative results from dark matter searches. They are: (1) a conventional…

High Energy Physics - Phenomenology · Physics 2007-05-23 Graciela Gelmini , Paolo Gondolo

WIMPless dark matter provides a framework in which dark matter particles with a wide range of masses naturally have the correct thermal relic density. We show that WIMPless dark matter with mass around 2-10 GeV can explain the annual…

High Energy Physics - Phenomenology · Physics 2011-06-03 Jonathan L. Feng , Jason Kumar , Louis E. Strigari

Plasma dark matter, which arises in dissipative dark matter models, can give rise to large annual modulation signals from keV electron recoils. Previous work has argued that the DAMA annual modulation signal could have an explanation within…

High Energy Physics - Phenomenology · Physics 2018-09-13 R. Foot

It has been suggested that, considering channeling effect, the order of a few GeV dark matters which are elastically scattered from detector nuclei might be plausible candidates reconciling the DAMA annual modulation signal with the results…

High Energy Physics - Phenomenology · Physics 2010-01-15 Yeong Gyun Kim , Seodong Shin

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

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

A claim for evidence of dark matter interactions in the DAMA experiment has been recently reinforced. We employ a new type of germanium detector to conclusively rule out a standard isothermal galactic halo of Weakly Interacting Massive…

The DAMA/NaI and DAMA/LIBRA annual modulation data, which may be interpreted as a signal for the existence of weakly interacting dark matter (WIMPs) in our galactic halo, are examined in light of null results from other experiments. We use…

Astrophysics · Physics 2014-11-18 Christopher Savage , Graciela Gelmini , Paolo Gondolo , Katherine Freese

The DAMA collaboration reported an annually modulated rate with a phase compatible with a Dark Matter induced signal. We point out that a slowly varying rate can bias or even simulate an annual modulation if data are analyzed in terms of…

High Energy Physics - Experiment · Physics 2020-05-20 Dario Buttazzo , Paolo Panci , Nicola Rossi , Alessandro Strumia

The DAMA/NaI set-up of the DAMA experiment has been operative during seven annual cycles and has investigated several rare processes. In particular, it has been realised in order to investigate the model independent annual modulation…

Recently, the DAMA/LIBRA experiment has convincingly confirmed the DAMA/NaI annual modulation signal, experimentally demonstrating the existence of non-baryonic dark matter in the halo of our galaxy. Meanwhile, in another part of town,…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Foot

Previous work has argued that, in the framework of plasma dark matter models, the DAMA annual modulation signal can be consistently explained with electron recoils. In the specific case of mirror dark matter, that explanation requires an…

High Energy Physics - Phenomenology · Physics 2018-12-19 R. Foot

We perform an extensive study of the DAMA annual modulation data in the context of inelastic dark matter. We find that inelastic dark matter with mass m > 15 GeV is excluded at the 95% confidence level by the combination of DAMA spectral…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Kai Schmidt-Hoberg , Martin Wolfgang Winkler

The DAMA experiment searches for Weakly Interacting Massive Particle (WIMP) dark matter via its expected but rare interactions within the detector, where the interaction rates will modulate throughout the year due to the orbital motion of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Chris Kelso , Pearl Sandick , Christopher Savage

We examine the dark matter interpretation of the modulation signal reported by the DAMA experiment from the perspective of effective field theories displaying Galilean invariance. We consider the most general effective coupling leading to…

High Energy Physics - Phenomenology · Physics 2016-05-25 Riccardo Catena , Alejandro Ibarra , Sebastian Wild

We derive constraints on the annual modulation signal in Dark Matter (DM) direct detection experiments in terms of the unmodulated event rate. A general bound independent of the details of DM distribution follows from the assumption that…

High Energy Physics - Phenomenology · Physics 2015-06-03 Juan Herrero-Garcia , Thomas Schwetz , Jure Zupan

Main arguments on the Dark Matter particle direct detection approach are addressed on the basis of the work and of the results of the about 100 kg highly radiopure NaI(Tl) DAMA experiment (DAMA/NaI), which has been operative at the Gran…

Recently, the DAMA/LIBRA collaboration released updated results from their search for the annual modulation signal from Dark Matter (DM) scattering in the detector. Besides approximately doubling the exposure of the DAMA/LIBRA data set, the…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-03 Sebastian Baum , Katherine Freese , Chris Kelso

The highly radiopure $\simeq$ 250 kg NaI(Tl) DAMA/LIBRA set-up is running at the Gran Sasso National Laboratory of the I.N.F.N.. In this paper the first result obtained by exploiting the model independent annual modulation signature for…

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