| Literature DB >> 29756850 |
N Du1, N Force1, R Khatiwada1, E Lentz1, R Ottens1, L J Rosenberg1, G Rybka1, G Carosi2, N Woollett2, D Bowring3, A S Chou3, A Sonnenschein3, W Wester3, C Boutan4, N S Oblath4, R Bradley5, E J Daw6, A V Dixit7, J Clarke8, S R O'Kelley8, N Crisosto9, J R Gleason9, S Jois9, P Sikivie9, I Stern9, N S Sullivan9, D B Tanner9, G C Hilton10.
Abstract
This Letter reports the results from a haloscope search for dark matter axions with masses between 2.66 and 2.81 μeV. The search excludes the range of axion-photon couplings predicted by plausible models of the invisible axion. This unprecedented sensitivity is achieved by operating a large-volume haloscope at subkelvin temperatures, thereby reducing thermal noise as well as the excess noise from the ultralow-noise superconducting quantum interference device amplifier used for the signal power readout. Ongoing searches will provide nearly definitive tests of the invisible axion model over a wide range of axion masses.Year: 2018 PMID： 29756850 DOI： 10.1103/PhysRevLett.120.151301
Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161