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The European Physical Journal C

, Volume 58, Issue 1, pp 1–7 | Cite as

BFKL resummation effects in the γ * γ * total hadronic cross section

  • F. Caporale
  • D. Y. Ivanov
  • A. PapaEmail author
Regular Article - Theoretical Physics

Abstract

We study in the BFKL approach the total hadronic cross section for the collision of two virtual photons for energies in the range of LEP2 and in the range of future linear colliders. The BFKL resummation is done at the next-to-leading order in the BFKL Green’s function; photon impact factors are taken instead at the leading order, but with the inclusion of the subleading terms required by invariance under changes of the renormalization scale and of the BFKL scale s 0. We compare our results with previous estimates based on a similar kind of approximation.

Keywords

Impact Factor Total Cross Section Virtual Photon Renormalization Scale Lead Order 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag / Società Italiana di Fisica 2008

Authors and Affiliations

  1. 1.Dipartimento di Fisica, Università della CalabriaIstituto Nazionale di Fisica Nucleare, Gruppo collegato di Cosenza, Arcavacata di RendeCosenzaItaly
  2. 2.Sobolev Institute of MathematicsNovosibirskRussia
  3. 3.Novosibirsk State UniversityNovosibirskRussia

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