Higgs signal in Chargino-Neutralino production at the LHC
arXiv:1202.4937 · doi:10.1140/epjc/s10052-012-2141-8
Abstract
We have analyzed the prospect of detecting a higgs signal in mSUGRA/CMSSM based Supersymmetric(SUSY) model via chargino-neutralino($\CH_1\N0_2$) production at 8 TeV and 14 TeV LHC energy. The signal is studied in the channel with $\ell + b \bar b + \PMET$ following the decays, $\CH_1 \to W^\pm \N0_1$, and . In this analysis reconstruction of the higgs mass out of two b-jets plays a very crucial role in determining the signal to background ratio. We follow two techniques to reconstruct higgs mass: (A) using two identified b-jets, (B) using jet substructure technique. In addition, imposing a certain set of selection cuts we observe the significance is better for the latter method. We find that a viable signal can be obtained for the higgs mass 125 GeV with an integrated luminosity 100 $\lumi$ for both 8 and 14 TeV LHC energy.
LaTeX, 11 pages, 1 figure. 14 TeV results added, some references updated. Version accepted and to appear in EPJ-C
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