regarding scale choice in madgraph
Asked by
Disha Bhatia
Hello,
Sorry for bothering you again during these pandemic times.
Actually I am considering jets+ met final states and wanted to set my scales to
pt_j1 + sqrt(ptj1^2 + m_{DM DMbar}^2).
I was trying to modify setscales.f
My DM is particle number 3, DMbar is particle number 4 and leading jet is particle number 5.
I gave commands like:
do i=0,3
pcomb(i) = p(i,3)+p(i,4)
enddo
q2factorization(1) = dsqrt(dot(
However, I am getting error. I am not understanding how to construct invariant mass of two particles in setscales.
It would be really helpful, if you can explain me this. I didnt find any useful reference for this.
Thank you,
Disha
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