A review of the discovery reach of directional Dark Matter detection

Mayet, F.; Green, Anne M.; Battat, J. B. R.; Billard, J.; Bozorgnia, Nassim; Gelmini, Graciela B.; Gondolo, Paolo; Kavanagh, Bradley J.; Lee, S.K.; Loomba, D.; Monroe, J.; Morgan, B.; O’Hare, Ciaran A. J.; Peter, Annika H. G.; Phan, N.; Vahsen, S.

doi:10.1016/j.physrep.2016.02.007

Cited by 201 publications

(185 citation statements)

References 222 publications

(320 reference statements)

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“…We can also show the direction from which the particles entered the Solar Neighborhood in the Earth Frame Coordinate system, which is of interest for directionally sensitive experiments [91]. Figure 4 illustrates the trajectories of high-speed DM particles in the Solar Neighborhood (v > 800 km/s in Earth Frame Coordinates) projected on Mollweide equal-area plots of the sky at two different times of year.…”

Section: Results: Dm Motions In the Vicinity Of The Sunmentioning

confidence: 99%

The highest-speed local dark matter particles come from the Large Magellanic Cloud

Besla

Peter

Garavito-Camargo

2019

J. Cosmol. Astropart. Phys.

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Using N-body simulations of the Large Magellanic Cloud (LMC's) passage through the Milky Way (MW), tailored to reproduce observed kinematic properties of both galaxies, we show that the high-speed tail of the Solar Neighborhood dark matter distribution is overwhelmingly of LMC origin. Two populations contribute at high speeds: 1) Particles that were once bound to the LMC, and 2) MW halo particles that have been accelerated owing to the response of the halo to the recent passage of the LMC. These particles reach speeds of 700-900 km/s with respect to the Earth, above the local escape speed of the MW. The high-speed particles follow trajectories similar to the Solar reflex motion, with peak velocities reached in June. For low-mass dark matter, these high-speed particles can dominate the signal in direct-detection experiments, extending the reach of the experiments to lower mass and elastic scattering cross sections even with existing data sets. Our study shows that even non-disrupted MW satellite galaxies can leave a significant dark matter footprint in the Solar Neighborhood.

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Section: Results: Dm Motions In the Vicinity Of The Sunmentioning

confidence: 99%

The highest-speed local dark matter particles come from the Large Magellanic Cloud

Besla

Peter

Garavito-Camargo

2019

J. Cosmol. Astropart. Phys.

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“…Such designs are currently in a research and development stage. They are of particular interest for the present analysis in that helium, and especially 3 He, is one of the target materials explored in this context [41,42]. For such a light target nucleus, ab initio nuclear structure calculations are straightforward, which allows a more robust uncertainty quantification.…”

Section: Introductionmentioning

confidence: 99%

Ab initio nuclear response functions for dark matter searches

Gazda

Forssén

2017

Phys. Rev. D

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We study the process of dark matter particles scattering off 3;4 He with nuclear wave functions computed using an ab initio many-body framework. We employ realistic nuclear interactions derived from chiral effective field theory at next-to-next-to-leading order (NNLO) and develop an ab initio scheme to compute a general set of different nuclear response functions. In particular, we then perform an accompanying uncertainty quantification on these quantities and study error propagation to physical observables. We find a rich structure of allowed nuclear responses with significant uncertainties for certain spin-dependent interactions. The approach and results that are presented here establish a new framework for nuclear structure calculations and uncertainty quantification in the context of direct and (certain) indirect searches for dark matter.

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“…The average direction of the WIMP wind through the solar system comes from the constellation of Cygnus, as the Sun is moving around the Galactic center. A measurement of the track direction of nuclear recoils could be used then to distinguish a dark matter signal from background events (expected to be uniformly distributed) and to prove the galactic origin of a possible signal [28,29,30]. The reconstruction of tracks is not easy, as they are very short for keV scale nuclear recoils: ∼1 mm in gas, ∼0.1 mm in solids.…”

Section: Directionalitymentioning

confidence: 99%

Small scale direct dark matter search experiments

Cebrián

2020

J. Phys.: Conf. Ser.

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Experiments based on noble liquids and solid state cryogenic detectors have had a leading role in the direct detection of dark matter. But smaller scale projects can help to explore the new dark matter landscape with advanced, ultra-sensitive detectors based on recently developed technologies. Here, the physics case of different types of small scale dark matter experiments will be presented and many of them will be reviewed, highlighting the detection techniques and summarizing their properties, results and status.

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A review of the discovery reach of directional Dark Matter detection

Cited by 201 publications

References 222 publications

The highest-speed local dark matter particles come from the Large Magellanic Cloud

The highest-speed local dark matter particles come from the Large Magellanic Cloud

Ab initio nuclear response functions for dark matter searches

Small scale direct dark matter search experiments

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