Factorization Method in the Spontaneously Broken Gauge Theories

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We consider the factorization method in the spontaneously broken gauge theories such as the electroweak theory. Using the of\/f-shell $W$-boson density matrix formalism we demonstrate that the factorization conditions are completely under control. The main point of this paper is the presence of the "interference" or "crossed" terms in $WW$--scattering process which exhibits itself in the dependence on the relative azimuthal angle between two scattering planes. To illustrate our general consideration we use well-known example --- a single Higgs boson production. The origine of the quantitative failure of the $WW$--ef\/fective method, as originally propossed, is given and it is shown how to use it correctly.
LaTeX file and 5 PS figures. PS file with figures available at http://venus.itep.ru/preprints/1995/95041.ps.gz

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/45691

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9508400
 http://arxiv.org/abs/hep-ph/9508400

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arXiv