Directional Dark Matter Search and Velocity Distribution

TL;DR

This paper explores the potential of directional dark matter detection, particularly using nuclear emulsion detectors, to measure dark matter velocity distribution and identify anisotropy, offering improved background rejection over traditional methods.

Contribution

It introduces the feasibility of using directional detection with nuclear emulsion detectors to analyze dark matter velocity distribution and anisotropy.

Findings

Directional detection enhances background rejection.

Nuclear emulsion detectors can measure dark matter velocity distribution.

Potential to identify anisotropic velocity distributions.

Abstract

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 directional information is measurement the velocity distribution of dark matter. Especially, it will be potent to figure out whether the velocity distribution is anisotropic. Supposing three distribution models, we discuss the possibility in one of the directional dark matter searches, nuclear emulsion detector.