Combined CDF and D0 upper limits on gg->H W+W- and constraints on the Higgs boson mass in fourth-generation fermion models with up to 8.2 fb-1 of data

Details Combined CDF and D0 upper limits on gg->H W+W- and constraints on the Higgs boson mass in fourth-generation fermion models with up to 8.2 fb-1 of data Combined CDF and D0 upper limits on gg->H W+W- and constraints on the Higgs boson mass in fourth-generation fermion models with up to 8.2 fb-1 of data

2011-08-16

arxiv.org/abs/1108.3331v2

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to the EPS 2011 Conference

Scientific paper

We combine results from searches by the CDF and D0 Collaborations for a standard model Higgs boson (H) in the processes gg->H->W+W- and gg->H->ZZ in p-pbar collisions at the Fermilab Tevatron Collider at sqrt(s)=1.96 TeV. With 8.2 fb-1 of integrated luminosity analyzed at CDF and 8.1 fb-1 at D0, the 95% C.L. upper limit on sigma(gg->H)xBr(H->W+W-) is 1.01 pb at m_H=120 GeV, 0.40 pb at m_H=165 GeV, and 0.47 pb at m_H=200 GeV. Assuming the presence of a fourth sequential generation of fermions with large masses, we exclude at the 95% Confidence Level a standard-model-like Higgs boson with a mass between 124 and 286 GeV.

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