20-22 May 2015
Asia/Bangkok timezone
The Centennial Celebration of General Relativity Theory and 80 Years of Thai Physics Graduate

Search for the standard model Higgs boson produced by vector-boson fusion and decaying to bottom quarks

20 May 2015, 16:15
15m
Hemingways' Lounge ()

Hemingways' Lounge

Oral presentation High Energy and Particle Physics High-Energy and Particle Physics

Speaker

Gurpreet Singh (Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok 10330 , Thailand)

Description

A search for the standard model Higgs boson in the vector boson fusion production channel with decay to bottom quarks is reported. A data sample comprising 19.8 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$ = 8 TeV collected during the 2012 running period has been analysed and 95$\%$ confidence level upper limits on the cross section are derived in the mass range from 115 to 135 GeV. For a Higgs boson mass of 125 GeV the expected limit is 2.6 times the predicted standard model cross section, while the observed limit is 5.6. The excess corresponds to a fitted signal strength of 2.8$^{+1.6}_{-1.4}$, relative to the expectation for the standard model Higgs boson.

Primary author

Gurpreet Singh (Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok 10330 , Thailand)

Presentation Materials