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Directional detection is an important way to detect dark matter. An input to these experiments is the dark matter velocity distribution. Recent hydrodynamical simulations have shown that the dark matter velocity distribution differs…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-12 Ranjan Laha

Exotic dark matter together with the vacuum energy (associated with the cosmological constant) seem to dominate in the Universe. Thus its direct detection is central to particle physics and cosmology. Supersymmetry provides a natural dark…

Astrophysics · Physics 2009-11-07 J. D. Vergados

A bevy of light dark matter direct detection experiments have been proposed, targeting spin-independent dark matter scattering. In order to be exhaustive, non-standard signatures that have been investigated in the WIMP window including…

High Energy Physics - Phenomenology · Physics 2019-05-14 Harikrishnan Ramani , Graham Woolley

The differential event rate for direct detection of dark matter, both the time averaged and the modulated one due to the motion of the Earth, are discussed. The calculations focus on relatively light cold dark matter candidates (WIMP) and…

High Energy Physics - Phenomenology · Physics 2015-06-03 J. D. Vergados

In the absence of direct accelerator data to constrain particle models, and given existing astrophysical uncertainties associated with the phase space distribution of WIMP dark matter in our galactic halo, extracting information on…

High Energy Physics - Phenomenology · Physics 2018-01-26 Lawrence M. Krauss , Jayden L. Newstead

The recent WMAP data have confirmed that exotic dark matter together with the vacuum energy (cosmological constant) dominate in the flat Universe. Modern particle theories naturally provide viable cold dark matter candidates with masses in…

Cosmology and Nongalactic Astrophysics · Physics 2009-12-17 J. D. Vergados , Ch. C. Moustakidis

We present formalism necessary to determine weak-scale matching coefficients in the computation of scattering cross sections for putative dark matter candidates interacting with the Standard Model. Particular attention is paid to the…

High Energy Physics - Phenomenology · Physics 2015-03-05 Richard J. Hill , Mikhail P. Solon

The local antimatter fluxes induced by an individual dark matter (DM) substructure can be significantly dependent on the proper motion of the source. We derive analytic solutions to the propagation equation for time-dependent positron and…

Astrophysics of Galaxies · Physics 2009-07-30 Marco Regis , Piero Ullio

Recently, the distribution of velocity dispersion as far as 400kpc around red isolated galaxies was derived from statistical studies of satellites in the SDSS (Klypin & Prada 2009). This could help to constrain dark matter models at…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 F. Combes , O. Tiret

The differential event rate for direct detection of dark matter, both the time averaged and the modulated one due to the motion of the Earth, are discussed. The calculations focus on relatively light cold dark matter candidates (WIMP) and…

High Energy Physics - Phenomenology · Physics 2015-05-30 J. D. Vergados

The detection of the theoretically expected dark matter is central to particle physics cosmology. Current fashionable supersymmetric models provide a natural dark matter candidate which is the lightest supersymmetric particle (LSP). Such…

Astrophysics · Physics 2014-10-13 J. D. Vergados

There is a worldwide effort toward the development of a large TPC (Time Projection Chamber) devoted to directional Dark Matter detection. All current projects are being designed to fulfill a unique goal : identifying weakly interacting…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-12 J. Billard , F. Mayet , D. Santos

We examine the coarse-grained phase-space density profiles of a set of recent, high-resolution simulations of galaxy-sized Cold Dark Matter (CDM) halos. Over two and a half decades in radius the phase-space density closely follows a…

Astrophysics · Physics 2009-11-06 James E. Taylor , Julio F. Navarro

Coherent scattering of solar, atmospheric and diffuse supernovae neutrinos creates an irreducible background for direct dark matter experiments with sensitivities to WIMP-nucleon spin-independent scattering cross-sections of…

High Energy Physics - Phenomenology · Physics 2014-10-01 Philipp Grothaus , Malcolm Fairbairn , Jocelyn Monroe

Direction sensitive direct detection of Weakly Interacting Massive Particles (WIMPs) as dark matter would provide an unambiguous non-gravitational signature of dark matter (DM). The diurnal variation of DM signal due to earth's rotation…

High Energy Physics - Phenomenology · Physics 2012-04-16 Abhijit Bandyopadhyay , Debasish Majumdar

Direct detection of dark matter with directional sensitivity is a promising concept for improving the search for weakly interacting massive particles. With information on the direction of WIMP induced nuclear recoils one has access to the…

High Energy Physics - Phenomenology · Physics 2015-10-15 Ciaran A. J. O'Hare

A new method is proposed for extracting limits on spin-dependent WIMP-nucleon interaction cross sections from direct detection dark matter experiments. The new method has the advantage that the limits on individual WIMP-proton and…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. R. Tovey , R. J. Gaitskell , P. Gondolo , Y. Ramachers , L. Roszkowski

The DArk Matter Particle Explorer (DAMPE) mission revealed a break in the spectrum of cosmic-ray electons and positrons. This is associated with an excess above the expected backgrounds at energies around 1 TeV. Several authors have argued…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-21 Geoff Beck , Sergio Colafrancesco

Mass bounds on dark matter (DM) candidates are obtained for particles decoupling in or out of equilibrium with {\bf arbitrary} isotropic and homogeneous distribution functions. A coarse grained Liouville invariant primordial phase space…

Astrophysics · Physics 2008-11-26 D. Boyanovsky , H. J. de Vega , N. Sanchez

We study how the combined observation of dark matter in various direct detection experiments can be used to determine the phenomenological properties of WIMP dark matter: mass, spin-dependent (SD) and spin-independent (SI) scattering cross…

High Energy Physics - Phenomenology · Physics 2015-06-15 D. G. Cerdeno , C. Cuesta , M. Fornasa , E. Garcia , C. Ginestra , Ji-Haeng Huh , M. Martinez , Y. Ortigoza , M. Peiro , J. Puimedon , L. Robledo , M. L. Sarsa
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