Physics – Accelerator Physics
Scientific paper
2010-04-16
Proc. 12th M.Grossmann Meeting on General Relativity, v.B, p.1495, World Sci., 2012
Physics
Accelerator Physics
Proceed. MG12 meeting, Paris, July, 2009
Scientific paper
When the electrons stored in the ring of the European Synchrotron Radiation Facility (ESRF, Grenoble) scatter on a laser beam (Compton scattering in flight) the lower energy of the scattered electron spectra, the Compton Edge (CE), is given by the two body photon-electron relativistic kinematics and depends on the velocity of light. A precision measurement of the position of this CE as a function of the daily variations of the direction of the electron beam in an absolute reference frame provides a one-way test of Relativistic Kinematics and the isotropy of the velocity of light. The results of GRAAL-ESRF measurements improve the previously existing one-way limits, thus showing the efficiency of this method and the interest of further studies in this direction.
Bellini Valerio
Beretta M. M.
Bocquet J.-P.
D'Angelo Annalisa
Fantini A.
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