Experimental limit on optical-photon coupling to light neutral scalar bosons.
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 meV (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.
Department of Physics, Hampton University, Hampton, VA 23668, USA.
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Afanasev
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Baker
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Beard
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Biallas
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Boyce
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Minarni
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Ramdon
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Shinn
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Slocum