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Physical Review Letters
Volumn 69, Issue 18, 1992, Pages 2619-2622
On the precise formulation of the equivalence theorem
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[No Author keywords available]
Indexed keywords

EID: 0000029095     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.69.2619     Document Type: Article
Times cited : (161)
References (28)
  • 9
    • 84927855341 scopus 로고    scopus 로고
    • A. Dobado and M. J. Herrero, CERN Report No. CERN-TH 5670/90 (to be published);
  • 21
    • 84927855338 scopus 로고    scopus 로고
    • and Xiaoyuan Li, ``Further Investigation on the Precise Formulation of Equivalence Theorem'' (to be published).
    • He, H.J.1    Kuang, Y.P.2
  • 27
    • 84927855336 scopus 로고
    • In a recent paper [, ], H. Veltman studied the ET for the SU(2) sub L_ theory in the 't Hooft–Feynman gauge in a renormalization scheme keeping the gauge fixing function Fa unchanged which corresponds to Ωξ= Ωκ= 1 in our formalism. This scheme is different from our scheme II. Veltman's conclusion is that Cm o d is also exactly unity in that scheme. We would like to point out that in Veltman's amputation procedure two assumptions were actually made: (i) The poles of the unphysical parts of the full propagators coincide with MW. (ii) There is no mixing between the W and phi propagators. However, unfortunately, these two assumptions do not really hold in the renormalization scheme keeping Fa unchanged beyond tree level [, D. A. Ross and J. C. Taylor, Nucl. Phys., B51, 125, ]. For instance, in a U(1) Higgs theory wherein the gauge boson mass is M, an explicit one-loop calculation shows that in Veltman's scheme L Cm o d = 1 + {g2} over {16 π2}left [ mark left Truncated]
    • (1973) Phys. Rev. D , vol.41 , pp. 2294

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