Impact of QED corrections to Higgs decay into four leptons at the LHC

Details Impact of QED corrections to Higgs decay into four leptons at the LHC Impact of QED corrections to Higgs decay into four leptons at the LHC

2006-04-04

arxiv.org/abs/hep-ph/0604033v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 5 figures, 1 table. Presented at HEP2005 July 21st-27th, 2005, Lisboa, Portugal and at RADCOR 2005, Shonan Village, O

Scientific paper

10.1016/j.nuclphysbps.2006.03.01

At the LHC a precise measurement of the Higgs boson mass (if discovered), at the level of 0.1-1%, will be possible through the channel g g --> H --> 4l for a wide range of Higgs mass values. To match such an accuracy, the systematic effects induced by QED corrections need to be investigated. In the present study the calculation of O(alpha) and higher order QED corrections is illustrated as well as their impact on the Higgs mass determination, once realistic event selection criteria for charged leptons and photons are considered.

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