This WEB page summarizes the blessed results for the evidence of the decay of the Bc meson to J/psi pi and measurement of the Bc mass. to be shown to the winter conferences 2005 The results have been blessed in the B Physics Meeting on Thursday November 18, 2004.

There is a complete version of the results: hep-ex/0505076

Below are the eps versions of all figures meant for downloads.
Main results

• Figure 1 - mass_plot_bu.eps .................Mass distribution for B+ candidates, using the same cuts (no upper ct)
• Figure 2 - fit_scan.eps ...........................Result of the fit scan in the search region.
• Figure 3 - Mass_plot_bc_full_10.eps ...Mass distribution for J/Psi pi candidates in the full search window
• Figure 4 - Final_Mass_Fit_Blessed.eps Mass distribution for J/Psi pi candidates in the fit region

Below are the figures meant to illustrate the cut optimization (N-1)

• 3D chi2
• Pointing angle
• Impact Parameter of the candidate
• Contribution to the vertex chi2 due to the third track
• pT of the third track
• Lxy Significance
• Upper ct cut

Below the eps versions of figures meant for backup slides

• SVX hits on tracks
• L00hits on tracks
• z-hits on tracks
• SVX hits on 3rd track
• L00 hits on 3rd track
• z-hits on 3rd track
• L00 usage per candidate
• 3-D vertex chi2
• component of the 3-D vertex chi2 due to the third track
• candidate impact parameter
• candidate pointing angle (3D)
• pT of the 3rd track
• Lxy Significance
• ct distribution
• candidate pT distribution
• J/psi pT distribution