English
Related papers

Related papers: Resolving astrophysical uncertainties in dark matt…

200 papers

We attempt to estimate the uncertainty in the constraints on the spin independent dark matter-nucleon cross section due to our lack of knowledge of the dark matter phase space in the galaxy. We fit the density of dark matter before…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Malcolm Fairbairn , Tom Douce , Jace Swift

Celestial capture of dark matter provides a useful handle for constraining its particulate properties. The capture formalism is sensitive to the phase space distribution of dark matter in the vicinity of the celestial object. This article…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-21 Debajit Bose , Sambo Sarkar

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

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

The theoretical interpretation of dark matter (DM) experiments is hindered by uncertainties on the dark matter density and velocity distribution inside the Solar System. In order to quantify those uncertainties, we present a parameter that…

High Energy Physics - Phenomenology · Physics 2018-12-14 Alejandro Ibarra , Bradley J. Kavanagh , Andreas Rappelt

A convincing identification of dark matter (DM) particles can probably be achieved only through a combined analysis of different detections strategies, which provides an effective way of removing degeneracies in the parameter space of DM…

High Energy Astrophysical Phenomena · Physics 2014-11-21 Pasquale D. Serpico , Gianfranco Bertone

We investigate the impact of uncertainty in the velocity distribution of dark matter on direct detection experiments. We construct an multinomial prior with a hyperparameter $\beta$ that describes the strength of our belief in an isotropic…

High Energy Physics - Phenomenology · Physics 2019-01-08 Andrew Fowlie

Astrophysical uncertainties in dark matter direct detection experiments are typically addressed by parametrizing the velocity distribution in terms of a few uncertain parameters that vary around some central values. Here we propose a method…

High Energy Physics - Phenomenology · Physics 2025-01-20 Gonzalo Herrera , Andreas Rappelt

Direct detection experiments and the interpretation of their results are sensitive to the velocity structure of the dark matter in our galactic halo. In this work, we extend the formalism that deals with such astrophysics-driven…

High Energy Physics - Phenomenology · Physics 2024-04-09 Elias Bernreuther , Patrick J. Fox , Benjamin Lillard , Anna-Maria Taki , Tien-Tien Yu

Underground searches for dark matter involve a complicated interplay of particle physics, nuclear physics, atomic physics and astrophysics. We attempt to remove the uncertainties associated with astrophysics by developing the means to map…

High Energy Physics - Phenomenology · Physics 2011-11-04 Patrick J. Fox , Jia Liu , Neal Weiner

Uncertainty in the local dark matter velocity distribution is a key difficulty in the analysis of data from direct detection experiments. Here we propose a new approach for dealing with this uncertainty, which does not involve any…

High Energy Physics - Phenomenology · Physics 2014-09-19 Brian Feldstein , Felix Kahlhoefer

The dark matter direct detection rates are highly correlated with the phase space distribution of dark matter particles in our galactic neighbourhood. In this paper, we make a systematic study of the impact of astrophysical uncertainties on…

High Energy Physics - Phenomenology · Physics 2021-11-16 Tarak Nath Maity , Tirtha Sankar Ray , Sambo Sarkar

We demonstrate precisely what particle physics information can be extracted from a single direct detection observation of dark matter while making absolutely no assumptions about the local velocity distribution and local density of dark…

High Energy Physics - Phenomenology · Physics 2011-02-18 Patrick J. Fox , Graham D. Kribs , Tim M. P. Tait

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

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 effects of astrophysical uncertainties on the exclusion limits at dark matter direct detection experiments are investigated for three scenarios: elastic, momentum dependent and inelastically scattering dark matter. We find that varying…

High Energy Physics - Phenomenology · Physics 2011-04-05 Christopher McCabe

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 XENON100 and CRESST experiments will directly test the inelastic dark matter explanation for DAMA's 8.9? sigma anomaly. This article discusses how predictions for direct detection experiments depend on uncertainties in quenching factor…

High Energy Physics - Phenomenology · Physics 2014-11-21 Daniele S. M. Alves , Mariangela Lisanti , Jay G. Wacker

Dark matter could be captured in the Sun and self-annihilate, giving rise to an observable neutrino flux. Indirect searches for dark matter looking for this signal with neutrino telescopes have resulted in tight constraints on the…

High Energy Astrophysical Phenomena · Physics 2014-06-03 Koun Choi , Carsten Rott , Yoshitaka Itow

Directional detection of dark matter is the next generation experiment, which is expected to have better back ground rejection efficiency than conventional direct search. Another intriguing possibility of the experiment by means of the…

High Energy Physics - Phenomenology · Physics 2014-12-16 Keiko I. Nagao
‹ Prev 1 2 3 10 Next ›