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  A first proof of principle booster setup for the MADMAX dielectric haloscope

Egge, J., Knirck, S., Majorovits, B., Moore, C., & Reimann, O. (2020). A first proof of principle booster setup for the MADMAX dielectric haloscope. European Physical Journal C, 80, 392. doi:10.1140/epjc/s10052-020-7985-8.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-1BE9-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-1BEA-3
Genre: Journal Article

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 Creators:
Egge, Jacob1, Author
Knirck, Stefan1, Author
Majorovits, Béla1, Author
Moore, Christopher1, Author
Reimann, Olaf1, Author
Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

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Free keywords: MADMAX
 Abstract: Axions and axion-like particles are excellent low-mass dark matter candidates. The MADMAX experiment aims to directly detect galactic axions with masses between $40\,\mu{\rm eV}$ and $400\,\mu{\rm eV}$ by using their conversion to photons at boundaries between materials of different dielectric constants under a strong magnetic field. Combining many such surfaces, this conversion can be significantly enhanced using constructive interference and resonances. We present a first proof of principle realization of such a booster system consisting of a copper mirror and up to five sapphire disks. The electromagnetic response of the system is investigated by reflectivity measurements. The mechanical accuracy, calibration process of unwanted reflections and the repeatability of a basic tuning algorithm to place the disks are investigated. We find that for the presented cases the electromagnetic response in terms of the group delay predicted by one-dimensional calculations is sufficiently realized in our setup. The repeatability of the tuning is at the percent level, and would have small impact on the sensitivity of such a booster.

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 Dates: 2020
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: MPP-2019-259
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2019-259
arXiv: arxiv:2001.04363
DOI: 10.1140/epjc/s10052-020-7985-8
URI: https://inspirehep.net/literature/1775254
 Degree: -

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Title: European Physical Journal C
  Abbreviation : Eur.Phys.J.C
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 80 Sequence Number: - Start / End Page: 392 Identifier: -