Photon Regeneration from Pseudoscalars at X-Ray Laser Facilities

2005/11/08 by Raul Rabadan, Raúl Rabadán, Andreas Ringwald +1 · 8 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Particle physics theoretical and experimental studies #hep-ex #hep-ph

paper · pdf · doi:10.1103/physrevlett.96.110407

published as Phys.Rev.Lett. 96 (2006) 110407 · 3 pages, 2 figures

arxiv created 2005/11/08 · openalex publication_date 2006/03/24 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/01

Abstract

Recently, the PVLAS Collaboration reported an anomalously large rotation of the polarization of light in the presence of a magnetic field in vacuum. As a possible explanation, they consider the existence of a light spin-zero particle coupled to two photons. We propose here a method of independently testing this result 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. With such an experiment the region of parameter space implied by PVLAS could be probed in a matter of minutes.

Citations

• Collider Bounds on Pseudoscalars Coupling to Gauge Bosons
• Axions: Recent searches and new limits

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