MadAnalysis 5

Second column data in SAF output file at NLO

Asked by Hantian Zhang

What is the meaning of the second column data in the SAF output file at NLO computation? For LO computation, the SAF file's second column are always zeros in each bin, but for NLO computation, they are non-zero, and I want to know what are they. Thank you very much!

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Benjamin Fuks
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Best Benjamin Fuks (fuks) said : 		#1

Hi,

The first column is connected to the positive-weighted events, and the second one to the negative-weighted events.

Cheers,

Benjamin

> On 7 Aug 2017, at 15:23 , Hantian Zhang <email address hidden> wrote:
>
> New question #655421 on MadAnalysis 5:
> https://answers.launchpad.net/madanalysis5/+question/655421
>
> What is the meaning of the second column data in the SAF output file at NLO computation? For LO computation, the SAF file's second column are always zeros in each bin, but for NLO computation, they are non-zero, and I want to know what are they. Thank you very much!
>
> --
> You received this question notification because you are an answer
> contact for MadAnalysis 5.

Revision history for this message
Hantian Zhang (hantian01) said : 		#2

Thanks Benjamin Fuks, that solved my question.