The Dark Photon: a 2026 Perspective
Andrea Caputo, Rouven Essig
TL;DR
This paper provides a comprehensive overview of dark photons, discussing their theoretical background and the various experimental and observational methods used to search for them across laboratory, astrophysical, and cosmological contexts.
Contribution
It offers a pedagogical synthesis of dark photon theory and summarizes current and future search strategies, highlighting their significance in particle physics research.
Findings
Summarizes the theoretical framework of dark photons.
Reviews experimental and observational search methods.
Discusses the importance of dark photons in current physics research.
Abstract
We give a pedagogical overview of dark photons. We describe the theory and their importance in particle physics research, and discuss searches using laboratory, astrophysical, and cosmological probes.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Quantum and Classical Electrodynamics · Atomic and Molecular Physics