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 gg → 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 ( α ) 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. © 2006 Elsevier B.V. All rights reserved.
Impact of QED corrections to Higgs decay into four leptons at the LHC / C. M., CARLONI CALAME; M., Moretti; G., Montagna; O., Nicrosini; F., Piccinini; Polosa, ANTONIO DAVIDE. - In: NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS. - ISSN 0920-5632. - 157:1(2006), pp. 73-77. [10.1016/j.nuclphysbps.2006.03.010]
Impact of QED corrections to Higgs decay into four leptons at the LHC.
POLOSA, ANTONIO DAVIDE
2006
Abstract
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 gg → 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 ( α ) 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. © 2006 Elsevier B.V. All rights reserved.| File | Dimensione | Formato | |
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