期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP12(2012)061
关键词
Monte Carlo Simulations; NLO Computations
资金
- ERC [291377]
- European Research Council (ERC) [291377] Funding Source: European Research Council (ERC)
The next-to-leading order accuracy for MC@NLO results exclusive in J light jets is achieved if the computation is based on matrix elements that feature J and J+1 QCD partons. The simultaneous prediction of observables which are exclusive in different light-jet multiplicities cannot simply be obtained by summing the above results over the relevant range in J; rather, a suitable merging procedure must be defined. We address the problem of such a merging, and propose a solution that can be easily incorporated into existing MC@NLO implementations. We use the automated aMC@NLO framework to illustrate how the method works in practice, by considering the production at the 8TeV LHC of a Standard Model Higgs in association with up to J = 2 jets, and of an e(+)nu(e) pair or a t (t) over bar pair in association with up to J = 1 jet.
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