Search for Axion Dark Matter from 1.1 to 1.3 GHz with ADMX - PubMed (original) (raw)

. 2025 Nov 7;135(19):191001.

doi: 10.1103/d7mg-6sqq.

C Cisneros 1, N Du 1, S Durham 1, N Robertson 1, C Goodman 2, M Guzzetti 2, C Hanretty 2, K Enzian 2, L J Rosenberg 2, G Rybka 2, J Sinnis 2, D Zhang 2, John Clarke 3, I Siddiqi 3, A S Chou 4, M Hollister 4, A Sonnenschein 4, S Knirck 5, T J Caligiure 6, J R Gleason 6, A T Hipp 6, P Sikivie 6, M E Solano 6, N S Sullivan 6, D B Tanner 6, R Khatiwada 7, L D Duffy 8, C Boutan 9, T Braine 9, E Lentz 9, N S Oblath 9, M S Taubman 9, E J Daw 10, C Mostyn 10, M G Perry 10, C Bartram 11, J Laurel 11, A Yi 11, T A Dyson 12, S Ruppert 12, M O Withers 12, C L Kuo 13, B T McAllister 14, J H Buckley 15, C Gaikwad 15, J Hoffman 15, K Murch 15, M Goryachev 16, E Hartman 16, A Quiskamp 16, M E Tobar 16; ADMX Collaboration

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Search for Axion Dark Matter from 1.1 to 1.3 GHz with ADMX

G Carosi et al. Phys Rev Lett. 2025.

Free article

Abstract

Axion dark matter can satisfy the conditions needed to account for all of the dark matter and solve the strong CP problem. The Axion Dark Matter eXperiment (ADMX) is a direct dark matter search using a haloscope to convert axions to photons in an external magnetic field. Key to this conversion is the use of a microwave resonator that enhances the sensitivity at the frequency of interest. The ADMX experiment boosts its sensitivity using a dilution refrigerator and near quantum-limited amplifier to reduce the noise level in the experimental apparatus. In the most recent run, ADMX searched for axions between 1.10 and 1.31 GHz to extended Kim-Shifman-Vainshtein-Zakharov sensitivity. This Letter reports on the results of that run, as well as unique aspects of this experimental setup.

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