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Polarimetry for measuring the vacuum magnetic birefringence with quasi-static fields: a systematics study for the VMB@CERN experiment

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arxiv 2110.03943 v2 pith:R5JGQE5F submitted 2021-10-08 physics.optics hep-exquant-ph

Polarimetry for measuring the vacuum magnetic birefringence with quasi-static fields: a systematics study for the VMB@CERN experiment

classification physics.optics hep-exquant-ph
keywords magneticbirefringenceeffectfieldsmeasuringsystematicsystematicsvacuum
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present an experimental systematics study of the polarimetric method for measuring the vacuum magnetic birefringence based on a pair of rotating half-wave plates. The presence of a systematic effect at the same frequency as the sought for magneto-optical effect inhibits the use of strictly constant magnetic fields. We characterise this systematic, discuss its origin and propose a viable workaround.

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