Dear experts. I try to reweight the coupling FT8 = 0.01 to FT8 = 0.05 and I use a command at below. ./bin/madevent reweight run_t8_0.01_e90 -f I see this output on terminal INFO: Extracting the banner ... INFO: process: pp pp > z a j j INFO: options: NP=1 INFO: Running Reweighting change mode NLO # Define type of Reweighting. For LO sample this command WARNING: Missing information for NLO type of reweighting. Keeping the mode to LO. launch INFO: detected model: SM_LT8_LT9_UFO. Loading... INFO: generating the square matrix element for reweighting INFO: generate pp pp > z a j j NP=1 ; INFO: Done 46.37 INFO: starts to compute weight for events with the following modification to the param_card: INFO: set param_card anoinputs 19 5e-14 # orig: 1e-14 KEEP: INFO: Event nb 0 current time: 16h25 INFO: Event nb 10 current time: 16h25 INFO: Event nb 20 0.021s INFO: Event nb 30 0.03s INFO: Event nb 40 0.04s INFO: Event nb 50 0.05s INFO: Event nb 60 0.06s INFO: Event nb 70 0.07s INFO: Event nb 80 0.08s INFO: Event nb 90 0.09s INFO: Event nb 100 0.1s INFO: Event nb 200 0.19s INFO: Event nb 300 0.29s INFO: Event nb 400 0.38s INFO: All event done (nb_event: 500) 0.48s INFO: Event /Volumes/Elements/pp2zajj/FCC_pp_zajj_signal/t8_001_40_2/Events/run_t8_0.01_e90_deneme/unweighted_events.lhe have now the additional weight INFO: new cross-section is : 49.7201 pb (indicative error: 17.1587 pb) INFO: Original cross-section: 7.739208 +- 0.1137808 pb (cross-section from sum of weights: 7.739209200000004) INFO: Computed cross-section: INFO: rwgt_2 : 49.72009205791405 +- 17.15866617022166 pb INFO: quit rwgt quit INFO: storing files of previous run gzipping output file: unweighted_events.lhe INFO: Done INFO: Also I modify the reweight_card_default.dat like at below. #************************************************************************ # ENTER YOUR COMMANDS BELOW. #************************************************************************ change mode NLO # Define type of Reweighting. For LO sample this command # has no effect since only "LO" mode is allowed. # SPECIFY A PATH OR USE THE SET COMMAND LIKE THIS: # set sminputs 1 130 # modify 1/alpha_EW launch set ANOINPUTS 19 5.00e-14 #set DECAY 23 auto Then when I check the lhe file, I see former cross-section value like this. 6 1 +7.7392092e+00 4.14581800e+02 7.81860800e-03 1.04101000e-01 21 -1 0 0 503 502 +0.0000000000e+00 +0.0000000000e+00 +5.1048837771e+02 5.1048837771e+02 0.0000000000e+00 0.0000e+00 1.0000e+00 21 -1 0 0 501 503 -0.0000000000e+00 -0.0000000000e+00 -1.4080348494e+03 1.4080348494e+03 0.0000000000e+00 0.0000e+00 1.0000e+00 23 1 1 2 0 0 -1.6869980018e+02 -6.3069419824e+01 -6.0103487571e+02 6.3403113055e+02 9.1187600000e+01 0.0000e+00 1.0000e+00 22 1 1 2 0 0 +3.4078742388e+01 -8.2016225331e+00 +3.0820325717e+00 3.5187017773e+01 0.0000000000e+00 0.0000e+00 -1.0000e+00 4 1 1 2 501 0 -7.1405943259e+01 -1.9991006297e+02 -6.9543964302e+02 7.2711700509e+02 0.0000000000e+00 0.0000e+00 -1.0000e+00 -4 1 1 2 0 502 +2.0602700105e+02 +2.7118110533e+02 +3.9584601451e+02 5.2218807364e+02 0.0000000000e+00 0.0000e+00 1.0000e+00 2 0.40810098E+03 0 1 21 0.10209771E-01 0.41458180E+03 1 21 0.28160686E-01 0.41458180E+03 0.91965338E+05 +7.7392092e+00 +7.7392092e+00 I see anything in rwgt_2 but it still with same cross-section

When	Who	Action	New State
2023-12-21	Olivier Mattelaer	Answer	Answered
2023-12-21	ozgun	Comment	Answered
2023-12-25	Jhoney Bairstow	Comment	Answered

MadGraph5_aMC@NLO

History of question #708766