Search for Standard Model Higgs in WH->lvbb at the Tevatron

Details Search for Standard Model Higgs in WH->lvbb at the Tevatron Search for Standard Model Higgs in WH->lvbb at the Tevatron

2009-10-18

arxiv.org/abs/0910.3420v1

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 19 figures. To be published in the proceedings of DPF-2009, Detroit, MI, July 2009, eConf C090726

Scientific paper

We present a search for the Standard Model Higgs boson produced in association with a W boson in $p\bar{p}$ collisions at a center-of-mass energy of $\sqrt{s} = 1.96$ TeV. The search is performed in the $WH\to \ell\nu b\bar{b}$ channel using 2.7 fb$^{-1}$ of data collected by both the CDF detector and by the $D\O$ detector, at the Fermilab Tevatron. The searches employ artificial neural network, matrix element and boosted decision tree techniques to improve the separation between signal and background. Additional techniques used to improve the Higgs sensitivity include the use of optimized b-quark jet energy corrections and improved algorithms for identifying b-quarks. In the absence of an observed excess in data, upper limits are set by both experiments on the Higgs production rate times branching ratio for a range of possible Higgs masses between 100 and 150 GeV.

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