The European Physical Journal C

, Volume 52, Issue 1, pp 83–92 | Cite as

Electroweak radiative corrections to the three channels of the process f11HA→0

  • D. Bardin
  • S. BondarenkoEmail author
  • L. Kalinovskaya
  • G. Nanava
  • L. Rumyantsev
Regular Article - Theoretical Physics


In this paper we describe the implementation of the complete next-to-leading order electroweak calculations for the various cross channels of the process f11HA→0 in the framework of the SANC system. Here A stands for a photon and f1 for a fermion whose mass is neglected everywhere besides arguments of logarithmic functions. The symbol →0 means that all 4-momenta of the external particles flow inwards. The derived one-loop scalar form factors can be used for any cross channel after an appropriate permutation of their arguments s,t,u. We present the complete analytical results for the covariant and helicity amplitudes for three cross channels: f11→Hγ, H→f11γ and f1γ→f1H. For checking of the correctness of the results first of all we observe the independence of the scalar form factors on the gauge parameters and the validity of the Ward identity (external photon transversality), and, secondly, we make an extensive comparison of our numerical results with other independent calculations.


Higgs Boson Invariant Mass Decay Channel Ward Identity Helicity Amplitude 
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Copyright information

© Springer-Verlag / Società Italiana di Fisica 2007

Authors and Affiliations

  • D. Bardin
    • 1
  • S. Bondarenko
    • 2
    Email author
  • L. Kalinovskaya
    • 1
  • G. Nanava
    • 3
  • L. Rumyantsev
    • 1
  1. 1.Dzhelepov Laboratory for Nuclear ProblemsJINRDubnaRussia
  2. 2.Bogoliubov Laboratory of Theoretical PhysicsJINRDubnaRussia
  3. 3.IFJPANKrakówPoland

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