Near-quantum-limited axion dark matter search with the ORGAN experiment around 26 μeV

Aaron P. Quiskamp; Graeme R. Flower; Steven Samuels; Ben T. McAllister; Paul Altin; Eugene N. Ivanov; Maxim Goryachev; Michael E. Tobar

doi:10.1103/PhysRevD.111.095007

Near-quantum-limited axion dark matter search with the ORGAN experiment around 26 μeV

Aaron P. Quiskamp, Graeme R. Flower, Steven Samuels, Ben T. McAllister, Paul Altin, Eugene N. Ivanov, Maxim Goryachev, Michael E. Tobar

Research output: Contribution to journal › Article › peer-review

Abstract

The latest result from the ORGAN experiment, an axion haloscope, is presented. This iteration of the experiment operated at millikelvin temperatures using a flux-driven Josephson parametric amplifier for reduced noise, along with various other improvements over previous iterations. Covering the 25.45-26.27 μeV (6.15-6.35 GHz) mass (frequency) range, this near-quantum-limited phase of ORGAN employs a conducting rod resonator and a 7-T solenoidal magnet to place the most sensitive exclusion limits on axion-photon coupling in the range to date, with |gaγγ| 2.8×10-13 at a 95% confidence level.

Original language	English
Article number	095007
Number of pages	8
Journal	Physical Review D
Volume	111
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.111.095007
Publication status	Published - May 2025

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10.1103/PhysRevD.111.095007Licence: CC BY

Cite this

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title = "Near-quantum-limited axion dark matter search with the ORGAN experiment around 26 μeV",

abstract = "The latest result from the ORGAN experiment, an axion haloscope, is presented. This iteration of the experiment operated at millikelvin temperatures using a flux-driven Josephson parametric amplifier for reduced noise, along with various other improvements over previous iterations. Covering the 25.45-26.27 μeV (6.15-6.35 GHz) mass (frequency) range, this near-quantum-limited phase of ORGAN employs a conducting rod resonator and a 7-T solenoidal magnet to place the most sensitive exclusion limits on axion-photon coupling in the range to date, with |gaγγ| 2.8×10-13 at a 95% confidence level.",

author = "Quiskamp, {Aaron P.} and Flower, {Graeme R.} and Steven Samuels and McAllister, {Ben T.} and Paul Altin and Ivanov, {Eugene N.} and Maxim Goryachev and Tobar, {Michael E.}",

note = "Publisher Copyright: {\textcopyright} 2025 authors. Published by the American Physical Society.",

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AU - Quiskamp, Aaron P.

AU - Flower, Graeme R.

AU - Samuels, Steven

AU - McAllister, Ben T.

AU - Altin, Paul

AU - Ivanov, Eugene N.

AU - Goryachev, Maxim

AU - Tobar, Michael E.

PY - 2025/5

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Near-quantum-limited axion dark matter search with the ORGAN experiment around 26 μeV

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Near-quantum-limited axion dark matter search with the ORGAN experiment around 26 μeV

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