Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-12-15
Acta Phys.Polon. B34 (2003) 2665-2672
Physics
High Energy Physics
High Energy Physics - Phenomenology
Submitted to Acta Physica Polonica. 9 pages, 6 figures
Scientific paper
Using the SANC system we study the one-loop electroweak standard model prediction, including virtual and real photon emissions, for the decays of on-shell vector and scalar bosons B --> f anti-f (gamma), where B is a vector boson, Z or W, or a Standard Model Higgs. The complete one-loop corrections and exact photon emission matrix element are taken into account. For the phase-space integration, the Monte Carlo technique is used. For Z decay the QED part of the calculation is first cross-checked with the exact one-loop QED prediction of KORALZ. For Higgs boson and W decays, a comparison is made with the approximate QED calculation of PHOTOS Monte Carlo. This provides a useful element for the evaluation of the theoretical uncertainty of PHOTOS, very interesting for its application in ongoing LEP2 and future LC and LHC phenomenology.
Andonov A.
Jadach Stanislaw
Nanava G.
was Zbigniew
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