Bounding Isotropic Lorentz Violation Using Synchrotron Losses at LEP - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: Some deviations from special relativity-especially isotropic effects-aremost efficiently constrained using particles with velocities very close to 1.While there are extremely tight bounds on some of the relevant parameterscoming from astrophysical observations, many of these rely on our having anaccurate understanding of the dynamics of high-energy sources. It is desirableto have reliable laboratory constraints on these same parameters. Thefastest-moving particles in a laboratory were electrons and positrons at LEP.The energetics of the LEP beams were extremely well understood, andmeasurements of the synchrotron emission rate indicate that that any isotropicdeviation of the speed of light from 1 must be smaller than 5 x 10^-15.



Author: Brett Altschul

Source: https://arxiv.org/







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