THE ANAPOLE MOMENT IN SCALAR QUANTUM ELECTRODYNAMICS
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Publication:3086197
DOI10.1142/S0217732310034134zbMATH Open1208.81210arXiv1002.3184OpenAlexW2139835371MaRDI QIDQ3086197
Author name not available (Why is that?)
Publication date: 30 March 2011
Published in: (Search for Journal in Brave)
Abstract: The anapole moment of a charged scalar particle is studied in a model independent fashion, using the effective Lagrangian technique, as well as radiatively within the context of scalar quantum electrodynamics (SQED). It is shown that this gauge structure is characterized by a non renormalizable interaction, which is radiatively generated at the one--loop. It is found that the resulting anapole moment for off-shell particles, though free of ultraviolet divergences, is gauge dependent and thus it is not a physical observable. We also study some of its kinematical limits. In particular, it is shown that its value comes out to be zero when all particles are on--shell.
Full work available at URL: https://arxiv.org/abs/1002.3184
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