Multiple axions in laboratory experiments
Abstract
A bstract Axions and axion-like particles generically appear in extensions of the Standard Model. While many searches assume only a single axion species, there may exist a whole spectrum of multiple such fields. We develop general formulas for axion-photon oscillations in the presence of multiple axions and analyze the implications for experimental searches, including light-shining-through-a-wall experiments, helioscopes and haloscopes. We demonstrate that axion multiplicity can qualitatively alter observational signatures, particularly through coherence and interference effects. Multiple axions can not only enhance signals compared to single axion scenarios, but also suppress them. We show that variations of experimental parameters and searches allow identifying contributions of multiple axions and obtaining information about their properties.
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BibTeX
@article{giorgi2026multiple,
title = {{Multiple axions in laboratory experiments}},
author = {Arturo de Giorgi and Joerg Jaeckel and Sebastian Monath and Volodymyr Takhistov},
journal = {JHEP},
year = {2026},
month = sep,
doi = {10.1007/jhep09(2026)177},
eprint = {2512.16837},
archivePrefix = {arXiv},
url = {https://hal.science/hal-05762717v1},
note = {CC BY},
}
RIS
TY - JOUR
TI - Multiple axions in laboratory experiments
AU - Arturo de Giorgi
AU - Joerg Jaeckel
AU - Sebastian Monath
AU - Volodymyr Takhistov
PY - 2026
DA - 2026/09/24
JO - JHEP
DO - 10.1007/jhep09(2026)177
UR - https://hal.science/hal-05762717v1
AB - A bstract Axions and axion-like particles generically appear in extensions of the Standard Model. While many searches assume only a single axion species, there may exist a whole spectrum of multiple such fields. We develop general formulas for axion-photon oscillations in the presence of multiple axions and analyze the implications for experimental searches, including light-shining-through-a-wall experiments, helioscopes and haloscopes. We demonstrate that axion multiplicity can qualitatively alter observational signatures, particularly through coherence and interference effects. Multiple axions can not only enhance signals compared to single axion scenarios, but also suppress them. We show that variations of experimental parameters and searches allow identifying contributions of multiple axions and obtaining information about their properties.
ER -