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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

The relative sensitivity of different direct detection experiments depends sensitively on the astrophysical distribution and particle physics nature of dark matter, prohibiting a model-independent comparison. The situation changes…

High Energy Physics - Phenomenology · Physics 2018-06-13 Felix Kahlhoefer , Florian Reindl , Karoline Schäffner , Kai Schmidt-Hoberg , Sebastian Wild

DAMA observes an annual modulation in their event rate, as might be expected from dark matter scatterings, while CoGeNT has reported evidence for a similar modulation. The simplest interpretation of these findings in terms of dark…

High Energy Physics - Phenomenology · Physics 2011-09-15 Mads T. Frandsen , Felix Kahlhoefer , John March-Russell , Christopher McCabe , Matthew McCullough , Kai Schmidt-Hoberg

The current paradigm for dark matter direct detection is to assume that the dark sector is solely composed of a single particle species. In this short paper, we make the observation that dark matter comprising both a light and a heavy…

High Energy Physics - Phenomenology · Physics 2019-01-17 Juan Herrero-Garcia , Andre Scaffidi , Martin White , Anthony G. Williams

Recently, the CoGeNT collaboration presented a positive signal for an annual modulation in their data set. In light of the long standing annual modulation signal in DAMA/LIBRA, we analyze the compatibility of both of these signal within the…

High Energy Physics - Phenomenology · Physics 2012-06-26 Thomas Schwetz , Jure Zupan

We present halo-independent methods to analyze the results of dark matter direct detection experiments assuming inelastic scattering. We focus on the annual modulation signal reported by DAMA/LIBRA and present three different…

High Energy Physics - Phenomenology · Physics 2015-06-15 Nassim Bozorgnia , Juan Herrero-Garcia , Thomas Schwetz , Jure Zupan

We propose a novel mechanism for dark matter to explain the observed annual modulation signal at DAMA/LIBRA which avoids existing constraints from every other dark matter direct detection experiment including CRESST, CDMS, and XENON10. The…

High Energy Physics - Phenomenology · Physics 2010-10-07 Peter W. Graham , Roni Harnik , Surjeet Rajendran , Prashant Saraswat

Experimental observations and theoretical arguments point out that Dark Matter (DM) particles are one of the most prominent component of the Universe. This motivated the pioneer DAMA experiment to investigate the presence of these particles…

High Energy Physics - Phenomenology · Physics 2021-10-12 R. Bernabei , P. Belli , V. Caracciolo , R. Cerulli , V. Merlo , F. Cappella , A. d'Angelo , A. Incicchitti , C. J. Dai , X. H. Ma , X. D. Sheng , F. Montecchia , Z. P. Ye

A search for dark matter was conducted by looking for an annual modulation signal due to the Earth's rotation around the Sun using XMASS, a single phase liquid xenon detector. The data used for this analysis was 359.2 live days times 832 kg…

The DAMA/LIBRA experiment shows $9.5 \sigma$ evidence for an annual modulation in the $(1-6)~ {\rm keV}$ energy range, strongly suggesting that the observed modulation has the dark matter origin. However, the conventional interpretation in…

High Energy Physics - Phenomenology · Physics 2020-04-22 Ariel Zhitnitsky

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

The DAMA/LIBRA collaboration has reported the observation of an annual modulation in the event rate that has been attributed to dark matter interactions over the last two decades. However, even though tremendous efforts to detect similar…

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 CoGeNT collaboration has reported evidence of an annual modulation in its first fifteen months of data. Here we compare the amplitude and phase of this signal to the modulation observed by the DAMA collaboration, assuming that both…

High Energy Physics - Phenomenology · Physics 2011-09-14 Christopher McCabe

We perform a global fit to data from Dark Matter (DM) direct detection experiments, including the recent CDMS-II results. We discuss possible interpretations of the DAMA annual modulation signal in terms of spin-independent and…

High Energy Physics - Phenomenology · Physics 2010-05-28 Joachim Kopp , Thomas Schwetz , Jure Zupan

We discuss the interpretation of the annual modulation signal seen in the DAMA experiment in terms of spin-independent elastic WIMP scattering. Taking into account channeling in the crystal as well as the spectral signature of the…

High Energy Physics - Phenomenology · Physics 2010-05-12 Malcolm Fairbairn , Thomas Schwetz

I derive new halo-independent lower bounds on the product of the dark matter-nucleon scattering cross section and the local dark matter density that are valid for annual modulations of dark matter direct detection signals. They are obtained…

High Energy Physics - Phenomenology · Physics 2015-09-16 Juan Herrero-Garcia

If dark matter is composed of weakly interacting particles, Earth's orbital motion may induce a small annual variation in the rate at which these particles interact in a terrestrial detector. The DAMA collaboration has identified at a…

High Energy Physics - Phenomenology · Physics 2018-11-29 Chris Kelso , Christopher Savage , Pearl Sandick , Katherine Freese , Paolo Gondolo

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

Following the construction of the general effective theory for dark matter direct detection in 1203.3542, we perform an analysis of the experimental constraints on the full parameter space of elastically scattering dark matter. We review…

High Energy Physics - Phenomenology · Physics 2012-11-14 A. Liam Fitzpatrick , Wick Haxton , Emanuel Katz , Nicholas Lubbers , Yiming Xu
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