First Results from an Axion Haloscope at CAPP around 
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Kwon, Ohjoon; Lee, Doyu; Chung, Woohyun; Ahn, Danho; Byun, HeeSu; Caspers, F.; Choi, Hyoungsoon; Choi, Jihoon; Chung, Yonuk; Jeong, Hoyong; Jeong, J. H.; Kim, Jihn E.; Kim, Jinsu; Kutlu, Çağlar; Lee, Jihnhwan; Lee, Myeong Jae; Lee, Soohyung; Matlashov, Andrei; Oh, Seonjeong; Park, Seongtae; Uchaikin, S.; Youn, S. W.; Semertzidis, Yannis K.

doi:10.1103/physrevlett.126.191802

Cited by 136 publications

(45 citation statements)

References 40 publications

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“…At the current stage, the ground at CAPP was prepared for sensitive searches for axions in the 5- to 30-μeV mass range on a time scale of 5 years, presuming that dark matter in the local halo is solely made up of axions. Recently, three experiments, CAPP-8TB, CAPP-9T, and CAPP-PACE (pilot axion cavity experiment), have carried out their pioneering operation to yield meaningful scientific results around 6.7, 13.5, and 10.7 μeV, respectively ( 60 – 62 ). CAPP-8TB and CAPP-PACE set up similar experimental designs consisting of an 8-T SC magnet installed in a dilution refrigerator to produce the first result and scan more than 1 μeV with sensitivities close to the KSVZ model.…”

Section: Haloscope Searchesmentioning

confidence: 99%

Axion dark matter: How to see it?

Semertzidis

Youn

2022

Sci. Adv.

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The axion is a highly motivated elementary particle that could address two fundamental questions in physics—the strong charge-parity (CP) problem and the dark matter mystery. Experimental searches for this hypothetical particle started reaching theoretically interesting sensitivity levels, particularly in the micro–electron volt (gigahertz) region. They rely on microwave resonators in strong magnetic fields with signals read out by quantum noise limited amplifiers. Concurrently, there have been intensive experimental efforts to widen the search range by devising various techniques and to enhance sensitivities by implementing advanced technologies. These orthogonal approaches will enable us to explore most of the parameter space for axions and axion-like particles within the next decades, with the 1- to 25-gigahertz frequency range to be conquered well within the first decade. We review the experimental aspects of axion physics and discuss the past, present, and future of the direct search programs.

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Section: Haloscope Searchesmentioning

confidence: 99%

Axion dark matter: How to see it?

Semertzidis

Youn

2022

Sci. Adv.

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“…The difference between the solid and dashed lines is explained in the main text. The green regions are current bounds from axion dark matter haloscopes [31][32][33][34][35][36][37][38][39][40][41][42][43][44], and the grey region corresponds to bounds from the CAST experiment [45].…”

Section: Echo Collected Power and Sensitivitymentioning

confidence: 99%

The Echo Method for Axion Dark Matter Detection

Arza

Todarello

2021

Symmetry

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The axion is a dark matter candidate arising from the spontaneous breaking of the Peccei–Quinn symmetry, introduced to solve the strong CP problem. It has been shown that radio/microwave radiation sent out to space is backscattered in the presence of axion dark matter due to stimulated axion decay. This backscattering is a feeble and narrow echo signal centered at an angular frequency very close to one-half of the axion mass. In this article, we summarize all the relevant results found so far, including analytical formulas for the echo signal, as well as sensitivity prospects for possible near-future experiments.

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“…As for the dark-photon case considered in Ref. [59], our axion signal however does not arise from considering a human-engineered shielding box (as employed, e.g., in other axion searches such as resonant cavity experiments [36,[62][63][64][65][66] and LC circuits [37,61,67]); instead, in our mass range of interest, Nature provides us with a ready-made shield. As explained in Ref.…”

Section: Contentsmentioning

confidence: 99%

Earth as a transducer for axion dark-matter detection

Arza,

Fedderke,

Graham

et al. 2021

Preprint

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First Results from an Axion Haloscope at CAPP around 10.7 μeV

Abstract: We present the first results on the axion dark matter search in the axion mass range 10.13-11.17µeV at the Center for Axion and Precision Physics Research, Daejeon, Korea. The sensitivity is about 9 times larger than the Kim-Shifman-Vainstein-Zakharov coupling at 90% confidence level.

Cited by 136 publications

References 40 publications

Axion dark matter: How to see it?

Axion dark matter: How to see it?

The Echo Method for Axion Dark Matter Detection

Earth as a transducer for axion dark-matter detection

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