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Renormalization prescriptions and bootstrap in effective theories | | V. Vereshagin
; K. Semenov-Tian-Shansky
; A. Vereshagin
; | | Date: |
15 Dec 2004 | | Subject: | hep-ph | | Affiliation: | 1 and 2), A. Vereshagin (1 and 3) ( St.-Petersburg State University, Universit’e de Li`ege au Sart Tilman, University of Bergen | | Abstract: | We discuss the peculiar features of the renormalization procedure in the case of infinite-component effective theory. It is shown that in the case of physically interesting theories (namely, those leading to the amplitudes with asymptotic behavior governed by known Regge intercepts) the full system of required renormalization prescriptions only contains those needed to fix the minimal counterterm vertices with one, two, three and (in some cases) four lines. There is no necessity in imposing the prescriptions for n-leg counterterm vertices with (n > 4). Moreover, the prescriptions for n =< 4 cannot be taken arbitrary: an infinite system of bootstrap constraints must be taken into account. The general method allowing one to write down the explicit form of this system is explained and illustrated by the example of elastic scattering process. | | Source: | arXiv, hep-ph/0501140 | | Services: | Forum | Review | PDF | Favorites | |
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