Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Directional recoil detection   Searches for dark matter-induced recoils have made impressive advances in the
last few years. Yet the field is confronted by several outstanding problems.
First, the inevitable background of solar neutrinos will soon inhibit the
conclusive identification of many dark matter models. Second, and more
fundamentally, current experiments have no practical way of confirming a
detected signal's galactic origin. The concept of directional detection
addresses both of these issues while offering opportunities to study novel dark
matter and neutrino-related physics. The concept remains experimentally
challenging, but gas time projection chambers are an increasingly attractive
option, and when properly configured, would allow directional measurements of
both nuclear and electron recoils. In this review, we reassess the required
detector performance and survey relevant technologies. Fortuitously, the
highly-segmented detectors required to achieve good directionality also enable
several fundamental and applied physics measurements. We comment on near-term
challenges and how the field could be advanced.

24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
14
The categories of this paper are: math-ph
16
The categories of this paper are: stat
19
The categories of this paper are: eess
30
The categories of this paper are: q-alg
21
The categories of this paper are: adap-org
26
The categories of this paper are: bayes-an
33
The categories of this paper are: plasm-ph
4
The categories of this paper are: cond-mat
20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
13
The categories of this paper are: quant-ph