Axions, their Relatives and Prospects for the Future

Details Axions, their Relatives and Prospects for the Future Axions, their Relatives and Prospects for the Future

2007-02-05

arxiv.org/abs/hep-ph/0702060v1

J.Phys.Conf.Ser.65:012008,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 4 figures. Contributed to the ``Third Symposium on Large TPCs for Low Energy Rare Event Detection'' in Paris, Decemb

Scientific paper

10.1088/1742-6596/65/1/012008

The observation of a non-vanishing rotation of linear polarized laser light after passage through a strong magnetic field by the PVLAS collaboration has renewed the interest in light particles coupled to photons. Axions are a species of such particles that is theoretically well motivated. However, the relation between coupling and mass predicted by standard axion models conflicts with the PVLAS observation. Moreover, light particles with a coupling to photons of the strength required to explain PVLAS face trouble from astrophysical bounds. We discuss models that can avoid these bounds. Finally, we present some ideas to test these possible explanations of PVLAS experimentally.

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