Photon Regeneration from Pseudoscalars at X-ray Laser Facilities

Details Photon Regeneration from Pseudoscalars at X-ray Laser Facilities Photon Regeneration from Pseudoscalars at X-ray Laser Facilities

2005-11-08

arxiv.org/abs/hep-ph/0511103v1

Phys.Rev.Lett. 96 (2006) 110407

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.96.110407

Recently, the PVLAS collaboration has reported an anomalously large rotation of the polarization of light in the presence of a magnetic field. As a possible explanation they consider the existence of a light pseudoscalar particle coupled to two photons. In this note, we propose a method of independently testing this result by using a high-energy photon regeneration experiment (the X-ray analogue of "invisible light shining through walls") using the synchrotron X-rays from a free-electron laser (FEL). With such an experiment the region of parameter space implied by PVLAS could be probed in a matter of minutes.

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