Source Mass Characterization in the ARIADNE Axion Experiment

Lohmeyer, Chloe; Aggarwal, N.; Arvanitaki, Asimina; Brown, Alex; Fang, Andrea; Geraci, Andrew; Kapitulnik, A.; Kim, D.; Kim, Y.; Lee, I.; Lee, Y. H.; Levenson-Falk, E. M.; Liu, C. Y.; Long, J. C.; Mumford, S.; Reid, Austin; Semertzidis, Yannis K.; Shin, Yun Chang; Shortino, J.; Smith, E.; Snow, W. M.; Weisman, Evan; Schnabel, A.; Trahms, Lutz; Voigt, Jens

doi:10.1007/978-3-030-43761-9_9

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…The Axion Resonant InterAction Detection Experiment (ARIADNE) aims to probe axion masses up to 10 −3 eV by using methods based on nuclear magnetic resonance (NMR) [130][131][132]. The experiment is sensitive to the axion-mediated monopole-dipole potential between two nuclei,…”

Section: Ariadnementioning

confidence: 99%

CP-violating axion interactions in effective field theory

Dekens

Vries

Shain

2022

J. High Energ. Phys.

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Axions are introduced to explain the observed smallness of the $$ \overline{\theta} $$ θ ¯ term of QCD. Standard Model extensions typically contain new sources of CP violation, for instance to account for the baryon asymmetry of the universe. In the presence of additional CP-violating sources a Peccei-Quinn mechanism does not remove all CP violation, leading to CP-odd interactions among axions and Standard Model fields. In this work, we use effective field theory to parametrize generic sources of beyond-the-Standard-Model CP violation. We systematically compute the resulting CP-odd couplings of axions to leptons and hadrons by using chiral perturbation theory. We discuss in detail the phenomenology of the CP-odd axion couplings and compare limits from axion searches, such as fifth force and monopole-dipole searches and astrophysics, to direct limits on the CP-violating operators from electric dipole moment experiments. While limits from electric dipole moment searches are tight, the proposed ARIADNE experiment can potentially improve the existing constraints in a window of axion masses.

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Section: Ariadnementioning

confidence: 99%

CP-violating axion interactions in effective field theory

Dekens

Vries

Shain

2022

J. High Energ. Phys.

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CP-violating axion interactions II: axions as dark matter

Plakkot,

Dekens,

de Vries

et al. 2023

J. High Energ. Phys.

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Axions provide a solution to the strong CP problem and are excellent dark matter candidates. The presence of additional sources of CP violation, for example to account for the matter/antimatter asymmetry of the universe, can lead to CP-violating interactions between axions and Standard Model fields. In case axions form a coherent dark matter background, this leads to time-oscillating fundamental constants such as the fine-structure constant and particle masses. In this work we compare the sensitivity of various searches for CP-odd axion interactions. These include fifth-force experiments, searches for time-oscillating constants induced by axion dark matter, and direct limits from electric dipole moment experiments. We show that searches for oscillating constants can outperform fifth-force experiments in the regime of small axion masses, but, in general, do not reach the sensitivity of electric dipole moment experiments.

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