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Indirect searches for dark matter with the nEDM spectrometer

by S. Roccia and G. Zsigmond on behalf of the nEDM collaboration at PSI

Submission summary

As Contributors: Geza Zsigmond
Preprint link: scipost_202102_00026v2
Date accepted: 2021-04-28
Date submitted: 2021-03-26 10:24
Submitted by: Zsigmond, Geza
Submitted to: SciPost Physics Proceedings
Proceedings issue: PSI Particle Physics
Academic field: Physics
  • Gravitation, Cosmology and Astroparticle Physics
Approach: Experimental


The nEDM apparatus at PSI has been used to search for different dark matter signatures utilizing its high sensitivity to shifts in the neutron precession frequency and its well-controlled low magnetic field at the microT level. Such a shift could be interpreted as a consequence of a short-range spin-dependent interaction that could possibly be mediated by axions or axion-like particles, or as an axion-induced oscillating electric dipole moment of the neutron. Another search, based on so-called UCN disappearance measurements, targeted previously reported signals of neutron to mirror-neutron oscillations. These dark matter searches confirmed and improved previous results, as detailed in this review.

Current status:
Publication decision taken: accept

Editorial decision: For Journal SciPost Physics Proceedings: Publish
(status: Editorial decision fixed and (if required) accepted by authors)

List of changes

line 22: Section 18 -> Section 27
line 54 a [?]
these two references have been corrected
thank you

Submission & Refereeing History

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Resubmission scipost_202102_00026v2 on 26 March 2021

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