Is the Thomas precession a source of SR power?

Abstract

The structural composition and the properties of the first quantum spin-orientation-dependent correction to synchrotron radiation power are discussed. On the basis of spin mass renormalization it is shown that, in the conventional sence, the Thomas precession is not a source of relativistic radiation. This conclusion is in agreement with well-known statements on the spin dependence of mass and purely kinematic origin of Thomas precession.Comment: 7 pages, LATEX, to be published in Nucl. Instr. and Meth. A (2001