Direct Detection of Dark Matter: A Critical Review

Paper

Abstract

The nature of dark matter in the Universe is one of the hardest unsolved problems in modern physics. Indeed, on one hand, the overwhelming indirect evidence from astrophysics seems to leave no doubt about its existence; on the other hand, direct search experiments, especially those conducted with low-background detectors in underground laboratories all over the world, seem to deliver only null results with a few debated exceptions. Furthermore, the lack of predicted candidates on the LHC energy scale has made this dichotomy even more puzzling. We will recall the most important phases of this novel branch of experimental astro-particle physics, analyzing the interconnections among the main projects involved in this challenging quest, and we will draw conclusions slightly different from how the problem is commonly understood.

Analysis

Paper intelligence

Summary

This paper critically reviews the current state of direct dark matter detection experiments, highlighting the discrepancy between astrophysical evidence and experimental null results.

Key findings

Astrophysical evidence strongly suggests the existence of dark matter.
Direct search experiments have yielded predominantly null results.
The lack of dark matter candidates at the LHC energy scale adds to the puzzle.
The paper offers a re-evaluation of the common understanding of the dark matter detection problem.

Methods

Review of direct detection experimental results.
Analysis of astrophysical evidence for dark matter.
Discussion of theoretical implications (e.g., LHC candidates).

Limitations

Focus on direct detection experiments.
Acknowledges debated exceptions to null results.

Applications

Guiding future dark matter detection strategies.
Informing theoretical models of dark matter.

Confidence100%

Discovery

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Source record

Publication metadata

Authors: Marcin Misiaszek; Nicola Rossi
Published: Feb 8, 2024
Journal or venue: Symmetry
DOI: 10.3390/sym16020201
Paper type: journal article
Source: Crossref

DOI