Effective K-factors: A method to include higher order QCD corrections in parton shower Monte Carlos: the example of H→WW*→2lν
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Date
2006Type
- Other Conference Item
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yes
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Abstract
In the last years, a large effort has gone into accurate higher order (HO) calculations of the Higgs production and various background cross sections. Many reactions are now known to next-to-leading order (NLO) accuracy. For the dominant Higgs production mechanism, the gluon-gluon fusion gg → H, even the next-to-next-to leading order (NNLO) calculations have been performed. In this production channel, higher order QCD corrections were found to increase the leading order (LO) cross section by a factor of more than 2. Most simulations for the LHC are based on LO parton shower Monte Carlos (e.g. PYTHIA, HERWIG), which do not include these higher order QCD corrections. In order to get more accurate simulations, it is important to take such contributions into account. Show more
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publishedExternal links
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Hadron Collider Physics 2005Journal / series
Springer Proceedings in PhysicsVolume
Pages / Article No.
Publisher
SpringerEvent
Organisational unit
03381 - Pauss, Felicitas (emeritus)
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