Searching for Earth/Solar axion halos

Abhishek Banerjee*, Dmitry Budker, Joshua Eby, Victor V. Flambaum, Hyungjin Kim, Oleksii Matsedonskyi, Gilad Perez

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

We discuss the sensitivity of the present and near-future axion dark matter experiments to a halo of axions or axion-like particles gravitationally bound to the Earth or the Sun. Such halos, assuming they are formed, can be searched for in a wide variety of experiments even when the axion couplings to matter are small, while satisfying all the present experimental bounds on the local properties of dark matter. The structure and coherence properties of these halos also imply novel signals, which can depend on the latitude or orientation of the detector. We demonstrate this by analyzing the sensitivity of several distinct types of axion dark matter experiments.

Original languageEnglish
Article number4
Number of pages26
JournalJournal of High Energy Physics
Volume2020
Issue number9
DOIs
Publication statusPublished - 1 Sept 2020

Funding

We would like to thank Kfir Blum, Derek F. Jackson Kimball, Arran Phipps and Nicholas Rodd. DB acknowledges the support by the DFG Reinhart Koselleck project, the European Research Council Dark-OsT advanced grant under project ID 695405, and the Simons and the Heising-Simons Foundations. His work was also supported in part by the DFG Project ID 390831469: EXC 2118 (PRISMA+ Cluster of Excellence). The work of JE is supported by the Zuckerman STEM Leadership Program. The work of OM is supported by the Foreign Postdoctoral Fellowship Program of the Israel Academy of Sciences and Humanities. The work of GP is supported by BSF, ERC, ISF, Minerva, the Segre award, and the Bessel Research award.

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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