Calculation of the Two-Loop Heavy-Flavor Contribution to Bhabha Scattering

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dc.creatorBonciani, R.
dc.creatorFerroglia, A.
dc.creatorPenin, A. A.
dc.date2008-02-15
dc.date2008-03-31
dc.date.accessioned2026-07-07T11:14:14Z
dc.date.available2026-07-07T11:14:14Z
dc.descriptionWe describe in detail the calculation of the two-loop corrections to the QED Bhabha scattering cross section due to the vacuum polarization by heavy fermions. Our approach eliminates one mass scale from the most challenging part of the calculation and allows us to obtain the corrections in a closed analytical form. The result is valid for arbitrary values of the heavy fermion mass and the Mandelstam invariants, as long as s,t,u >> m_e^2.
dc.description43 pages, 8 figures; added references
dc.identifierhttps://arxiv.org/abs/0802.2215
dc.identifierhttp://arxiv.org/abs/0802.2215
dc.identifierJHEP0802:080,2008
dc.identifierdoi:10.1088/1126-6708/2008/02/080
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191998
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCalculation of the Two-Loop Heavy-Flavor Contribution to Bhabha Scattering
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