Probing Physics in Vacuum Using an X-ray Free-Electron Laser, a High-Power Laser, and a High-Field M

Abstract

A nonlinear interaction between photons is observed in a process that involves charge sources. To observe this process in a vacuum, there are a growing number of theoretical and experimental studies. This process may contain exotic contribution from new physics beyond the Standard Model of particle physics, and is probed by experiments using a high-power laser or a high-field magnet, and more recently using an X-ray free-electron laser (XFEL). Here, we review the present status of our experiments testing various vacuum processes. We describe four experiments with a focus on those using an XFEL: (i) photon–photon scattering in the X-ray region, (ii) laser-induced birefringence and diffraction of X rays, (iii) vacuum birefringence induced by a high-field magnet, and (iv) a dedicated search for axion-like particles using the magnet and X rays.

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Inada T, Yamazaki T, Yamaji T, Seino Y, Fan X, Kamioka S, Namba T, Asai S. Probing Physics in Vacuum Using an X-ray Free-Electron Laser, a High-Power Laser, and a High-Field Magnet. Applied Sciences. 2017; 7(7):671.https://doi.org/10.3390/app7070671

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