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Volumn 53, Issue 7, 1996, Pages 3942-3961

Two-loop electroweak corrections to the ρ parameter beyond the leading approximation

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[No Author keywords available]

Indexed keywords


EID: 0001077837     PISSN: 15507998     EISSN: 15502368     Source Type: Journal    
DOI: 10.1103/PhysRevD.53.3942     Document Type: Article
Times cited : (11)

References (53)
  • 3
    • 3543044473 scopus 로고
    • Δ is proportional to the T parameter introduced together with the S and the U parameters in
    • Δ is proportional to the T parameter introduced together with the S and the U parameters in M. E. Peskin and T. Takeuchi, Phys. Rev. Lett. 65, 964 (1990).
    • (1990) Phys. Rev. Lett , vol.65 , pp. 964
    • Peskin, M.E.1    Takeuchi, T.2
  • 18
    • 85035192958 scopus 로고    scopus 로고
    • Of course, the propagatorlike pinch contributions, which restore the gauge independence and finiteness, originate from vertex and box diagrams, but they are extracted before the loop integrations are carried out
    • Of course, the propagatorlike pinch contributions, which restore the gauge independence and finiteness, originate from vertex and box diagrams, but they are extracted before the loop integrations are carried out.
  • 26
    • 85035219374 scopus 로고
    • Perspectives for Electroweak Interactions in e+e- Collisions
    • Germany, edited by B. Kniehl (unpublished), Report No. hep-ph 9506276 (unpublished)
    • N. J. Watson, in Perspectives for Electroweak Interactions in e+e- Collisions, Proceedings, Ringberg Castle, Germany, 1995, edited by B. Kniehl (unpublished), Report No. hep-ph 9506276 (unpublished).
    • (1995) Proceedings, Ringberg Castle
    • Watson, N.J.1
  • 28
    • 85035208105 scopus 로고    scopus 로고
    • all PT self-energies tadpole graphs have also been included 12
    • In all PT self-energies tadpole graphs have also been included 12.
  • 32
    • 85035236541 scopus 로고    scopus 로고
    • the gaugeless limit the answer is trivially gauge-fixing parameter independent, since there is no gauge fixing to begin with
    • In the gaugeless limit the answer is trivially gauge-fixing parameter independent, since there is no gauge fixing to begin with.
  • 33
    • 17144397890 scopus 로고
    • References therein
    • L. F. Abbott, Nucl. Phys. B185, 189 (1981), and references therein.
    • (1981) Nucl. Phys , vol.B185 , pp. 189
    • Abbott, L.F.1
  • 36
    • 85035196019 scopus 로고    scopus 로고
    • E. de Rafael and N. J. Watson (unpublished)
    • E. de Rafael and N. J. Watson (unpublished)
  • 39
    • 85035197338 scopus 로고    scopus 로고
    • As a matter of fact, the idea of computing the Δρ in the context of the BFM in order to guarantee the desired WI for both leading and subleading contributions was first proposed in Ref. 5, but has not been carried out to date
    • As a matter of fact, the idea of computing the Δρ in the context of the BFM in order to guarantee the desired WI for both leading and subleading contributions was first proposed in Ref. 5, but has not been carried out to date.
  • 44
    • 85035221653 scopus 로고    scopus 로고
    • The graphs containing only gauge bosons have no mt dependence (they give in fact zero contributions to &Δ, since MW=MZ)
    • The graphs containing only gauge bosons have no mt dependence (they give in fact zero contributions to &Δ, since MW=MZ).
  • 45
    • 85035241208 scopus 로고    scopus 로고
    • Certain misconceptions related to this apparent correspondence have been discussed by J. Papavassiliou, in Perspectives for Electroweak Interactions in e+e- Collisions 24
    • Certain misconceptions related to this apparent correspondence have been discussed by J. Papavassiliou, in Perspectives for Electroweak Interactions in e+e- Collisions 24.
  • 46
    • 85035219971 scopus 로고    scopus 로고
    • J. M. Cornwall (private communications)
    • J. M. Cornwall (private communications).
  • 48
    • 85035198193 scopus 로고    scopus 로고
    • We thank P. Gambino for providing us with the full analytic result of the leading terms in the approximation MZ=MW≡M and s=sin ΘW=0, which was used but not reported in 7
    • We thank P. Gambino for providing us with the full analytic result of the leading terms in the approximation MZ=MW≡M and s=sin ΘW=0, which was used but not reported in 7.


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