TY  - EJOUR
AU  - Egge
AU  - Ekmedžić, M.
AU  - Gardikiotis, A.
AU  - Garutti, E.
AU  - Heyminck, S.
AU  - Kasemann, C.
AU  - Knirck, S.
AU  - Kramer, M.
AU  - Krieger, C.
AU  - Leppla-Weber, D.
AU  - Martens, S.
AU  - Öz, E.
AU  - Salama, N.
AU  - Schmidt, A.
AU  - Wang, H.
AU  - Wieching, G.
TI  - Experimental determination of axion signal power of dish antennas and dielectric haloscopes using the reciprocity approach
IS  - arXiv:2311.13359
M1  - PUBDB-2024-06788
M1  - arXiv:2311.13359
M1  - FERMILAB-PUB-24-0399-PPD
PY  - 2024
N1  - JCAP04(2024)005. v2, updated to match journal version, 18 pages, 10 figures
AB  - The reciprocity approach is a powerful method to determine the expected signal power of axion haloscopes in a model-independent way. Especially for open and broadband setups like the MADMAX dielectric haloscope the sensitivity to the axion field is difficult to calibrate since they do not allow discrete eigenmode analysis and are optically too large to fully simulate. The central idea of the reciprocity approach is to measure a reflection-induced test field in the setup instead of trying to simulate the axion-induced field. In this article, the reciprocity approach is used to determine the expected signal power of a dish antenna and a minimal dielectric haloscope directly from measurements. The results match expectations from simulation but also include important systematic effects that are too difficult to simulate. In particular, the effect of antenna standing waves and higher order mode perturbations can be quantified for the first time in a dielectric haloscope.
KW  - dielectric (INSPIRE)
KW  - axion: dark matter (INSPIRE)
KW  - dark matter: detector (INSPIRE)
KW  - resonance: cavity (INSPIRE)
KW  - current: density (INSPIRE)
KW  - reflection (INSPIRE)
KW  - frequency (INSPIRE)
KW  - perturbation (INSPIRE)
KW  - calibration (INSPIRE)
KW  - sensitivity (INSPIRE)
KW  - higher-order (INSPIRE)
KW  - MADMAX (INSPIRE)
KW  - experimental methods (INSPIRE)
KW  - experimental results (INSPIRE)
KW  - dark matter detectors (autogen)
KW  - dark matter experiments (autogen)
LB  - PUB:(DE-HGF)25
DO  - DOI:10.3204/PUBDB-2024-06788
UR  - https://bib-pubdb1.desy.de/record/617437
ER  -