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Mass analysis [message #14303] Tue, 08 January 2013 08:42 Go to previous message
Ajay Kumar is currently offline  Ajay Kumar
Messages: 102
Registered: December 2011
Location: indore
continuous participant

From: *iitidr.ac.in
Hi Everybody,

First of all I would like to wish a very happy new year to all.

I have to do mass reconstruction for lambda and anti lambda as a part of my analysis. for that I found a example macro and got Idea how to do this job. on execution of this example macro I am able to reconstruct mass of lambda after combining its decay product particles.

Somehow I could not understand that what exactly GetLength() function is doing here. I have gone through TCandList class then I see that it returns no of tracks.
But in my case where lambda decays to proton and piminus,essentially it will tells us about the lambda tracks after the combination of both product particles.

we are doing event wise analysis,surely we will have only one track for lambda. I am not getting why we are applying one for loop over the lambda raw mass.

Can anybody explain me that what is exactly GetLength() function is doing here?

I have attached my analysis macro with this mail.


AJAY KUMAR
Research scholar
Indian Institute of Technology Indore,Indore
Madhya Pradesh
India
 
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