2.7fb-1 Single-Top Search Using a Multivariate Likelihood
Function Technique
Sarah Budd, Catalin Ciobanu, Ji-Eun Jung, Thomas Junk
University of Illinois at Urbana-Champaign, University of Paris, Seoul National University, Fermilab
Documentation
The technique is described in our analysis
public note for the 2.7/fb dataset..
Cross Section Measurment
Significance using 2 and 3 jet bin t-channel Likelihood Functions
Best Fit and Limit for Vtb
Background Estimate
Systematics
2-jet bin, 1 tag
![](public_webpage/public_page_plots_july08/sys_2jet1tag.gif)
3-jet bin, 1 tag
3-jet bin, 2 tag
JES systematics
Plots
Plots add all lepton categories together. All model contributions have been scaled to match the data.
t-channel 2 and 3 jet bin Likelihood Functions and P-Value
2-jet bin
![](public_webpage/public_page_plots_july08/like2jetLog_27fb.gif)
3-jet bin
![](public_webpage/public_page_plots_july08/like3jetLog_27fb.gif)
P-Value
![](public_webpage/public_page_plots_july08/lfpvalue_27fb.gif)
Cross Section Measurment
![](public_webpage/public_page_plots_july08/lfxsfit_27fb.gif)
2 jet bin Likelihood input variables and functions
3 jet bin Likelihood input variables and functions
Contact the authors: sbudd@uiuc.edu, catutza@uiuc.edu, ici@fnal.gov, trj@uiuc.edu