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New Experimental limit on Optical Photon Coupling to Neutral, Scalar Bosons

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arxiv 0806.2631 v1 pith:UBHUZK4T submitted 2008-06-16 hep-ex astro-phhep-phphysics.optics

classification hep-exastro-phhep-phphysics.optics
keywords couplinglightopticalscalarfieldlasermagneticneutral
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abstract

We report on the first results of a sensitive search for scalar coupling of photons to a light neutral boson in the mass range of approximately 1.0 milli-electron volts and coupling strength greater than 10$^-6$ GeV$^-1$ using optical photons. This was a photon regeneration experiment using the "light shining through a wall" technique in which laser light was passed through a strong magnetic field upstream of an optical beam dump; regenerated laser light was then searched for downstream of a second magnetic field region optically shielded from the former. Our results show no evidence for scalar coupling in this region of parameter space.

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