Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-11-15
J.Phys.Conf.Ser. 39 (2006) 197-199
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 1 figure, jpconf.cls, talk presented at the ninth International Conference on Topics in Astroparticle and Underground
Scientific paper
10.1088/1742-6596/39/1/050
The PVLAS collaboration has recently reported the observation of a rotation of the polarization plane of light propagating through a transverse static magnetic field. Such an effect can arise from the production of a light, m_A ~ meV, pseudoscalar coupled to two photons with coupling strength g_{A\gamma} ~ 5x10^{-6} GeV^{-1}. Here, we review these experimental findings, discuss how astrophysical and helioscope bounds on this coupling can be evaded, and emphasize some experimental proposals to test the scenario.
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