Abstract
In the framework of the electroweak theory, we discuss a class of gauge-fixing choices suitable for calculating electromagnetic processes. In particular, we show that with our choices, in addition to the basic Slavnov-Taylor identities guaranteeing that physical results are independent of the choice of the gauge fixing, we also have the standard Ward identities in quantum electrodynamics, which play a well-known crucial role in calculating electromagnetic processes and, specifically, in analyzing the electromagnetic radiative corrections.
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Paper written on the occasion of Andrei Slavnov’s 75th birthday
Prepared from an English manuscript submitted by the author; for the Russian version, see Teoreticheskaya i Matematicheskaya Fizika, Vol. 182, No. 1, pp. 65–75, January, 2014.
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Becchi, C. Slavnov-Taylor and ward identities in the electroweak theory. Theor Math Phys 182, 52–60 (2015). https://doi.org/10.1007/s11232-015-0244-8
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DOI: https://doi.org/10.1007/s11232-015-0244-8