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Youn, Sung Woo
액시온 및 극한상호작용 연구단
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Noise Temperature Measurements for Axion Haloscope Experiments at IBS/CAPP

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Title
Noise Temperature Measurements for Axion Haloscope Experiments at IBS/CAPP
Author(s)
SungWoo Youn; Elena Sala; Junu Jeong; Jinsu Kim; Yannis K. Semertzidis
Subject
Axion, ; Haloscope, ; Noise measurement, ; RF amplifier
Publication Date
2020-09
Journal
JOURNAL OF LOW TEMPERATURE PHYSICS, v.200, pp.472 - 478
Publisher
SPRINGER/PLENUM PUBLISHERS
Abstract
© Springer Science+Business Media. The axion was first introduced as a consequence of the Peccei-Quinn mechanism to solve the CP problem in strong interactions of particle physics and is a well-motivated cold dark matter candidate. This particle is expected to interact extremely weakly with matter, and its mass is expected to lie in ReV range with the corresponding frequency roughly in GHz range. In 1983, P. Sikivie proposed a detection scheme, so-called axion haloscope, where axions resonantly convert to photons in a tunable microwave cavity permeated by a strong magnetic field. A major source of the experimental noise is attributed to added noise by RF amplifiers, and thus, precise understanding of amplifiers' noise is of importance. We present the measurements of noise temperatures of various low-noise amplifiers broadly used for axion dark matter searches
URI
https://pr.ibs.re.kr/handle/8788114/7656
DOI
10.1007/s10909-020-02506-2
ISSN
0022-2291
Appears in Collections:
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > 1. Journal Papers (저널논문)
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