Searches for Higgs Boson Pair Production in the Hh{u2192}bb??, ??WW*, ??bb, Bbbb Channels with the ATLAS Detector

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  • Searches for Higgs Boson Pair Production in the Hh{u2192}bb??, ??WW*, ??bb, Bbbb Channels with the ATLAS Detector Book Detail

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  • Release Date : 2015
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  • File Size : 8,8 MB
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Searches for Higgs Boson Pair Production in the Hh{u2192}bb??, ??WW*, ??bb, Bbbb Channels with the ATLAS Detector by PDF Summary

Book Description: Searches for both resonant and nonresonant Higgs boson pair production are performed in the hh → bb??, ??WW* final states using 20.3 fb-1 of pp collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the Large Hadron Collider. No evidence of their production is observed and 95% confidence-level upper limits on the production cross sections are set. These results are then combined with the published results of the hh → ??bb, bbbb analyses. An upper limit of 0.69 (0.47) pb on the nonresonant hh production is observed (expected), corresponding to 70 (48) times the SM gg → hh cross section. For production via narrow resonances, cross-section limits of hh production from a heavy Higgs boson decay are set as a function of the heavy Higgs boson mass. The observed (expected) limits range from 2.1 (1.1) pb at 260 GeV to 0.011 (0.018) pb at 1000 GeV. In addition, these results are interpreted in the context of two simplified scenarios of the Minimal Supersymmetric Standard Model.

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A Beauty-ful Boson

A Beauty-ful Boson

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The analysis described in this thesis is the search for the Higgs boson, decaying into bb pair, in the associated production with a vector boson, in the extreme