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액시온 및 극한상호작용 연구단
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Revisiting the detection rate for axion haloscopes

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Title
Revisiting the detection rate for axion haloscopes
Author(s)
Dongok Kim; Junu Jeong; SungWoo Youn; Younggeun Kim; Yannis K. Semertzidis
Publication Date
2020-03
Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, v.2020, no.03, pp.066 -
Publisher
IOP PUBLISHING LTD
Abstract
The cavity haloscope has been employed to detect microwave photons resonantly converted from invisible cosmic axions under a strong magnetic field. In this scheme, the axion-photon conversion power has been formulated to be valid for certain conditions, either Qcavity Lt Qaxion or Qcavity Gt Qaxion. This remedy, however, fails when these two quantities are comparable to each other. Furthermore, the noise power flow has been treated independently of the impedance mismatch of the system, which could give rise to misleading estimates of the experimental sensitivity. We revisit the analytical approaches to derive a general description of the signal and noise power. We also optimize the coupling strength of a receiver to yield the maximal sensitivity for axion search experiments. c 2020 IOP Publishing Ltd and Sissa Medialab
URI
https://pr.ibs.re.kr/handle/8788114/7161
ISSN
1475-7516
Appears in Collections:
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > Journal Papers (저널논문)
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