Subject: Update on UED
From: Pedro Mercadante <mercadan@fnal.gov>
Date: Tue, 31 Oct 2006 22:23:03 -0200
To: Greg Landsberg <landsberg@hep.brown.edu>, Sergio Lietti <lietti@fnal.gov>, "Sergio F. Novaes" <novaes@fnal.gov>, "'Eduardo M. Gregores'" <gregores@fnal.gov>

Hi Greg,

We have been a little busy in our return to Brasil. Now things are getting settled. We have an update on the UED analysis. We have now a twiki page, the relevant link for our analysis is here: /twiki/bin/view/Main/AnalysisUED#UedData

I will give a summary.
-> Background:
Table:
We have run W-> mu nu, ZZ-> 4 muons, ZZ-> 2muon 2 electrons, ZZ -> inclusive and WZ -> inclusive background. As you can see from the table, the results looks consistent.
Plots:
In the plot:
http://d0server.hep.ift.unesp.br/~mercadan/ued/Missing_et_z.jpg
I don't understand very well the missing Et difference between the Z-> 2e 2mu and Z-> 4 muon. Is this common to happen? The energy measurement from electrons is much more problematic?

-> Signal: We are going to link our UED Pythia with the DZero software. It looks like it is the way to go. SÚrgio Lietti was very busy this last days but we will devote our attention to simulate the signal now.

Best,

Pedro.

Topic revision: r1 - 2006-11-16 - SergioLietti
 

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