Single Event yields different PT
Hi!
I was getting weird results from a PT plot in MA5. So I tried to plot one single event to compare the result from doing the calculation by hand (with 4-momentum in LHE file). However MA5 didn't want to plot 1 single event. So i copied the 1 event 21 times in the LHE and ran MA5 again, this resulted in multiple spread bins in the histogram, like 50 GeV, 400 GeV and so on! The real value is ~25 GeV so something is clearly fishy here.
I generated the event ( g g > t1 t1~ , (t1 > t n1 , t > l+ vl b) , (t1~ > t~ n1 , t~ > l- vl~ b~) ) from the standard MSSM model in MG5.
Ran MA5 manually (./bin/ma5) and:
import single_event.lhe
plot PT(invisible)
submit single_analysis
open
What might cause this craziness? Im I doing something wrong?
Thanks!
/Joakim
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