A new limit on the light speed isotropy from the GRAAL experiment at the ESRF
Abstract
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.
Cite
@article{arxiv.1004.2867,
title = {A new limit on the light speed isotropy from the GRAAL experiment at the ESRF},
author = {V. G. Gurzadyan and V. Bellini and M. Beretta and J. -P. Bocquet and A. D'Angelo and R. Di Salvo and A. Fantini and D. Franco and G. Gervino and G. Giardina and F. Ghio and B. Girolami and A. Giusa and A. Kashin and H. G. Khachatryan and S. Knyazyan and A. Lapik and P. Levi Sandri and A. Lleres and F. Mammoliti and G. Mandaglio and M. Manganaro and A. Margarian and S. Mehrabyan and R. Messi and D. Moricciani and V. Nedorezov and D. Rebreyend and G. Russo and N. Rudnev and C. Schaerf and M. -L. Sperduto and M. -C. Sutera and A. Turinge and V. Vegna},
journal= {arXiv preprint arXiv:1004.2867},
year = {2018}
}
Comments
Proceed. MG12 meeting, Paris, July, 2009