New method of probing an oscillating EDM induced by axionlike dark matter using an rf Wien filter in storage rings

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Ahypothetical pseudoscalar particle axion, which is an immediate result of the Peccei-Quinn solution to the strong CP problem, may couple to gluons and lead to an oscillating electric dipole moment (EDM) of fundamental particles. This paper proposes a novel method of probing the axion-induced oscillating EDM in storage rings, using a radio frequency (rf) Wien filter. The Wien filter at the frequency of the sidebands of the axion and g - 2 frequency, f(axion) +/- f(g-2), generates a spin resonance in the presence of an oscillating EDM, as confirmed both by an analytical estimation of the spin equations and independently by simulation. A brief systematic study also shows that this method is unlikely to be limited by Wien filter misalignment issues.
Publisher
AMER PHYSICAL SOC
Issue Date
2021-11
Language
English
Article Type
Article
Citation

PHYSICAL REVIEW D, v.104, no.9, pp.096006-1 - 096006-12

ISSN
2470-0010
DOI
10.1103/PhysRevD.104.096006
URI
http://hdl.handle.net/10203/289680
Appears in Collection
PH-Journal Papers(저널논문)
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