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The MAJORANA DEMONSTRATOR is an array of natural and enriched high purity germanium detectors that will search for the neutrinoless double-beta decay of 76-Ge and perform a search for weakly interacting massive particles (WIMPs) with masses…

The MAJORANA collaboration is pursuing the development of the so-called MAJORANA DEMONSTRATOR. The DEMONSTRATOR is intended to perform research and development towards a tonne-scale germanium-based experiment to search for the neutrinoless…

Nuclear Experiment · Physics 2019-08-13 Reyco Henning

Weakly Interacting Massive Particles (WIMPs) are one of the leading candidates for Dark Matter. Currently, the most promising method to detect WIMPs is the direct detection of the recoil energy deposited in a low-background laboratory…

Astrophysics · Physics 2011-11-10 Chung-Lin Shan

Velocity distribution of dark matter is supposed to be isotropic Maxwell-Boltzmann distribution in most cases, however, other distribution models including anisotropic one are suggested by simulations. Directional direct detection of dark…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-20 Keiko I. Nagao

Direct detection experiments are poised to detect dark matter in the form of weakly interacting massive particles (WIMPs). The signals expected in these experiments depend on the ultra-local WIMP density and velocity distribution. Firstly…

Cosmology and Nongalactic Astrophysics · Physics 2012-02-14 Anne M. Green

WIMP direct detection experiments probe the ultra-local dark matter density and velocity distribution. We review how uncertainties in these quantities affect the accuracy with which the WIMP mass and cross-section can be constrained or…

Cosmology and Nongalactic Astrophysics · Physics 2010-04-15 Anne M. Green

Weakly interacting massive particles (WIMPs) are one of the leading candidates for dark matter. Currently, the most promising method to detect many different WIMP candidates is the direct detection of the recoil energy deposited in a…

Astrophysics · Physics 2010-10-27 Manuel Drees , Chung-Lin Shan

In this paper, as the third part of the third step of our study on developing data analysis procedures for using 3-dimensional information offered by directional direct Dark Matter detection experiments in the future, we introduce a…

High Energy Astrophysical Phenomena · Physics 2021-03-15 Chung-Lin Shan

The MAJORANA DEMONSTRATOR will search for the neutrinoless double-beta decay of the 76Ge isotope with a mixed array of enriched and natural germanium detectors. The observation of this rare decay would indicate the neutrino is its own…

Particles weakly interacting with ordinary matter, with an associated mass of the order of an atomic nucleus (WIMPs), are plausible candidates for Dark Matter. The direct detection of an elastic collision of a target nuclei induced by one…

Instrumentation and Methods for Astrophysics · Physics 2016-08-01 C. Couturier , O. Guillaudin , F. Naraghi , Q. Riffard , D. Santos , N. Sauzet , P. Colas , E. Ferrer Ribas , I. Giomataris , J. Busto , D. Fouchez , C. Tao , N. Zhou

With positive signals from multiple direct detection experiments it will, in principle, be possible to measure the mass and cross sections of weakly-interacting massive particle (WIMP) dark matter. Recent work has shown that, with a…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Bradley J. Kavanagh , Mattia Fornasa , Anne M. Green

The velocity distribution function of dark matter particles is expected to show significant departures from a Maxwell-Boltzmann distribution. This can have profound effects on the predicted dark matter - nucleon scattering rates in direct…

Astrophysics of Galaxies · Physics 2014-11-20 M. Kuhlen , N. Weiner , J. Diemand , P. Madau , B. Moore , D. Potter , J. Stadel , M. Zemp

We explore the ability of directional nuclear-recoil detectors to constrain the local velocity distribution of weakly interacting massive particle (WIMP) dark matter by performing Bayesian parameter estimation on simulated recoil-event data…

Cosmology and Nongalactic Astrophysics · Physics 2012-05-04 Samuel K. Lee , Annika H. G. Peter

The next generation of large scale WIMP direct detection experiments have the potential to go beyond the discovery phase and reveal detailed information about both the particle physics and astrophysics of dark matter. We report here on…

Cosmology and Nongalactic Astrophysics · Physics 2014-02-05 Jayden L. Newstead , Thomas D. Jacques , Lawrence M. Krauss , James B. Dent , Francesc Ferrer

The differential event rate in Weakly Interacting Massive Particle (WIMP) direct detection experiments depends on the local dark matter density and velocity distribution. Accurate modelling of the local dark matter distribution is therefore…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-02 Anne M Green

Solving the Dark Matter enigma represents one of the key objectives of contemporary physics. Recent astrophysical and cosmological measurements have unambiguously demonstrated that ordinary matter contributes to less than 5 % of the energy…

Astrophysics · Physics 2015-06-24 Gabriel Chardin

We investigate the effect of a coupling between dark matter and dark energy on the rates for the direct detection of dark matter. The magnitude of the effect depends on the strength $\kappa$ of this new interaction relative to gravity. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Tetradis , J. D. Vergados , Amand Faessler

Determining the dark matter (DM) mass is of paramount importance for understanding dark matter. We present a novel parametrization of the DM speed distribution which will allow the DM mass to be accurately measured using data from Weakly…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-19 Bradley J. Kavanagh , Anne M. Green

An annual modulation in the event rate of the NaI detector of the DAMA collaboration has been used to infer the existence of particle dark matter in the Galactic halo. Bounds on the WIMP mass and WIMP-nucleon cross section have been…

High Energy Physics - Phenomenology · Physics 2010-02-03 Piero Ullio , Marc Kamionkowski

The WIMP proposed here yields the observed abundance of dark matter, and is consistent with the current limits from direct detection, indirect detection, and collider experiments, if its mass is $\sim 72$ GeV/$c^2$. It is also consistent…

High Energy Physics - Phenomenology · Physics 2021-08-02 Reagan Thornberry , Maxwell Throm , Gabriel Frohaug , John Killough , Dylan Blend , Michael Erickson , Brian Sun , Brett Bays , Roland E. Allen
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