Low Mass Standard Model Higgs Limit at the Tevatron

Details Low Mass Standard Model Higgs Limit at the Tevatron Low Mass Standard Model Higgs Limit at the Tevatron

2010-10-13

arxiv.org/abs/1010.2725v1

Physics

High Energy Physics

High Energy Physics - Experiment

HCP2010 Conference Contribution

Scientific paper

The searches for the Standard Model (SM) Higgs Boson at the Fermilab Tevatron by the CDF and D{\O} experiments are presented. Their state of the art techniques, including maximizing Higgs signal acceptance, reducing background through b-jet ID, and with Multi-Variate discrimination between signal and background, are elucidated. The two experiments are able to achieve a sensitivity of three to five times SM cross section ({\sigma}SM) at the benchmark mass point of mH=115 GeV/c2 using the main search channels WH->lvbb, ZH->vvbb, and ZH->llbb, and on combining all the channels from CDF and D{\O}, the observed (expected) limit is 1.56 (1.45) x {\sigma}SM. The present expected limit is 1.8 x {\sigma}SM or below for the entire low mass range, and sensitivity projections at present anticipate in Tevatron Run II a 3{\sigma} sensitivity achievement for mH=115 GeV/c2.

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