期刊
PHYSICAL REVIEW D
卷 87, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.073005
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资金
- United States Department of Energy [DE-AC02-07CH11359]
We illustrate how the matrix element method at next-to-leading order can be used to discriminate between events arising from the production of a Higgs boson, which subsequently decays to a final state consisting of l(+) l(-) gamma, and the background production of the same final state. We illustrate how the method could be used in an experimental analysis by devising cuts on the signal (P-S) and background (P-B) weights that are computed event by event in this approach. We find that we can increase the S/root B ratio by around 50% compared to an invariant mass fit on its own. Considering only statistical uncertainty, this is equivalent to recording a factor of around two times more integrated luminosity. DOI: 10.1103/PhysRevD.87.073005
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