Proposed experiment to produce and detect light pseudoscalars

17 August 1987

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 59 (7) , 759-762
https://doi.org/10.1103/physrevlett.59.759

Abstract

We propose a laboratory experiment to produce and detect a light neutral pseudoscalar particle that couples to two photons. The pseudoscalar would be produced by a (real) photon from a laser beam interacting with a second (virtual) photon from a static magnetic field; it would be detected after it reconverts to a real photon in a duplicate magnetic field. The bounds on the coupling constant that could be obtained from a null result in such an experiment compete favorably with astrophysical limits and would substantially improve those from direct measurements.

Keywords

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