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Approaching the first Any Light Particle Search II science run

by Aaron D. Spector for the ALPS Collaboration

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Submission summary

Authors (as registered SciPost users): Aaron Spector
Submission information
Preprint Link: scipost_202210_00040v1  (pdf)
Date accepted: 2023-04-24
Date submitted: 2022-10-04 15:49
Submitted by: Spector, Aaron
Submitted to: SciPost Physics Proceedings
Proceedings issue: 14th International Conference on Identification of Dark Matter (IDM2022)
Ontological classification
Academic field: Physics
  • Gravitation, Cosmology and Astroparticle Physics
Approach: Experimental


The Any Light Particle Search II (ALPS II) is a light-shining-through-a-wall (LSW) experiment based at DESY in Hamburg, Germany, that will search for axions and axion-like particles down to the coupling of the axion to two photons of g >2 x 10^-11 GeV^-1 for masses below 0.1 meV. ALPS II will use two strings of superconducting dipole magnets that are over one hundred meters in length, as well as optical cavities before and after the wall to boost the effective signal rate of the regenerated photons by more than 12 orders of magnitude when compared to previous generations of LSW experiments. Data taking with a simplified optical system is expected to begin in early 2023.

Published as SciPost Phys. Proc. 12, 039 (2023)

Reports on this Submission

Anonymous Report 1 on 2022-11-8 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:scipost_202210_00040v1, delivered 2022-11-08, doi: 10.21468/SciPost.Report.6096


The Any Light Particle Search II is a new light shinning through a wall experiment that will take data in 2023 with simplified optics. The expected signal rate for the full design below 0.1 meV is expected to increase by 12 orders of magnitude regarding the previous generation of light shinning through a wall experiments. I recommended the proceeding for publication.

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