MadAnalysis 5

Reconstructing particles using .root file

Asked by shibasipu

 Dear Benjamin,
                                  I have generated a sample (.hep file) two processes contributing to the final states 4j+MET. In one process, 4 j is coming from two W's and in another process, 4j is coming from One W and one Z. I have converted the .hep file to .root file via delphes. Now, I want to reconstruct W and Z from 4j using the .root file. Please suggest how to proceed for the same.

Regards,
Shiba

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Benjamin Fuks
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shibasipu (shibasipu) said : 		#1

Dear Benjamin,
                                 Will the following script work for the above purpose ? or Shall I have to go to the expert mode ?
./bin ma5 -R
  set main.fastsim.package = fastjet;
  set main.fastsim.radius=0.4;
  import mysample.hep.gz
  submit

Regards,
Shiba

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shibasipu (shibasipu) said : 		#2

Sorry there was a mistake in my above thread. Please replace "import mysample.hep.gz" by "import mysample.root" and all others are the same.

Regards,
Shiba

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Best Benjamin Fuks (fuks) said : 		#3

Hi Shiba,

You cannot use fastjet on a root file. You must start from the stdhep file.

Cheers,

Benjamin

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shibasipu (shibasipu) said : 		#4

Thanks Benjamin Fuks, that solved my question.