Search for the Higgs Boson Decaying to Two Tau Leptons in $$p\bar{p}$$ Collisions at a Center of Mass Energy of 1.96 Tev
- Texas A & M Univ., College Station, TX (United States)
A search for the Higgs boson decaying to $$\tau\tau$$ using 7.8~fb$$^{-1}$$ of $$p\bar{p}$$ collisions at 1.96~TeV collected with CDF II detector is presented. The search is sensitive to four production mechanisms of the Higgs boson: ggH, WH, ZH and VBF. Modes where one tau decay leptonically, and another decay, hadronically, are considered. Two novel techniques are developed and used in the search. A Probabilistic Particle Flow Algorithm is used for energy measurements of the hadronic tau candidates. The signal is discriminated from backgrounds by the Missing Mass Calculator, which allows for full invariant mass reconstruction of $$\tau\tau$$ pair. The data are found to be consistent with the background only hypothesis. Therefore a 95\% confidence level upper limit on the Standard Model Higgs boson cross section was set. At $$M_H$$$$=$120~GeV/$c^2$ observed limit is 14.9$$\times\sigma_{SM}\times Br (H → ττ)$$.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1248352
- Report Number(s):
- FERMILAB-THESIS-2011-46; 1091279
- Country of Publication:
- United States
- Language:
- English
Similar Records
Measurement of Top Quark Properties and Search for the Standard Model Higgs Boson in Proton Anti-Proton Collisions at $\sqrt{s}$ = 1.96 TeV
Measurement of $WZ$ production and searches for anomalous top quark decays and Higgs boson production using tri-lepton final states in $p\bar{p}$ collisions at $\sqrt{s} = 1.96~\rm{TeV}$