Command "launch auto " interrupted with error: IndexError : list index out of range when generating FO events
I am trying to run a NLO QCD process generating fixed order events. Everything works fine and I get a summary report with the process cross-section prompted, also a quite big .lhe file suggesting that the generation ran "properly". However, I get this error message by the end of the generation process:
-->
Command "launch auto " interrupted with error:
IndexError : list index out of range
<--
this error is not consistent, sometimes it appears and sometimes not, and I am not sure if I can consistently reproduce it.
the debug file is here:
-->
launch auto
Traceback (most recent call last):
File "/auto/
return self.onecmd_
File "/auto/
return func(arg, **opt)
File "/auto/
evt_file = self.run(mode, options)
File "/auto/
self.
File "/auto/
self.
File "/auto/
self.
File "/auto/
and event == neweventsgroup[-1]:
File "/auto/
if p.E != other[i].E:
IndexError: list index out of range
Value of current Options:
golem : None
OLP : MadLoop
lhapdf : /home/users/
ninja : /home/users/
gauge : unitary
set default_
set group_subprocesses Auto
set ignore_
set loop_optimized_
set loop_color_flows False
set gauge unitary
set complex_mass_scheme False
set max_npoint_
import model sm-no_b_mass
define p = g u c d s u~ c~ d~ s~
define j = g u c d s u~ c~ d~ s~
define vl = ve vm vt
define vl~ = ve~ vm~ vt~
define p = 21 2 4 1 3 -2 -4 -1 -3 5 -5 # pass to 5 flavors
define j = p
define p = g u c d s u~ c~ d~ s~ b b~
define j = g u c d s u~ c~ d~ s~ b b~
define w = w+ w-
define tt = t t~
define l+ = e+ mu+
define l- = e- mu-
import model loop_sm-no_b_mass
generate p p > tt w l+ l- [QCD]
output /nfs/scratch/
#######
## PARAM_CARD AUTOMATICALY GENERATED BY MG5 ####
#######
#######
## INFORMATION FOR LOOP
#######
BLOCK LOOP #
1 9.118800e+01 # mu_r
#######
## INFORMATION FOR MASS
#######
BLOCK MASS #
6 1.730000e+02 # mt
15 1.777000e+00 # mta
23 9.118800e+01 # mz
25 1.250000e+02 # mh
1 0.000000e+00 # d : 0.0
2 0.000000e+00 # u : 0.0
3 0.000000e+00 # s : 0.0
4 0.000000e+00 # c : 0.0
5 0.000000e+00 # b : 0.0
11 0.000000e+00 # e- : 0.0
12 0.000000e+00 # ve : 0.0
13 0.000000e+00 # mu- : 0.0
14 0.000000e+00 # vm : 0.0
16 0.000000e+00 # vt : 0.0
21 0.000000e+00 # g : 0.0
22 0.000000e+00 # a : 0.0
24 8.041900e+01 # w+ : cmath.sqrt(
#######
## INFORMATION FOR SMINPUTS
#######
BLOCK SMINPUTS #
1 1.325070e+02 # aewm1
2 1.166390e-05 # gf
3 1.180000e-01 # as
#######
## INFORMATION FOR YUKAWA
#######
BLOCK YUKAWA #
6 1.730000e+02 # ymt
15 1.777000e+00 # ymtau
#######
## INFORMATION FOR DECAY
#######
DECAY 6 0.000000e+00 # wt
DECAY 23 2.441404e+00 # wz
DECAY 24 2.047600e+00 # ww
DECAY 25 6.382339e-03 # wh
DECAY 1 0.000000e+00 # d : 0.0
DECAY 2 0.000000e+00 # u : 0.0
DECAY 3 0.000000e+00 # s : 0.0
DECAY 4 0.000000e+00 # c : 0.0
DECAY 5 0.000000e+00 # b : 0.0
DECAY 11 0.000000e+00 # e- : 0.0
DECAY 12 0.000000e+00 # ve : 0.0
DECAY 13 0.000000e+00 # mu- : 0.0
DECAY 14 0.000000e+00 # vm : 0.0
DECAY 15 0.000000e+00 # ta- : 0.0
DECAY 16 0.000000e+00 # vt : 0.0
DECAY 21 0.000000e+00 # g : 0.0
DECAY 22 0.000000e+00 # a : 0.0
#######
## INFORMATION FOR QNUMBERS 82
#######
BLOCK QNUMBERS 82 # gh
1 0 # 3 times electric charge
2 1 # number of spin states (2s+1)
3 8 # colour rep (1: singlet, 3: triplet, 8: octet)
4 1 # particle/
#
#******
# Running parameters
#******
#
#******
# Tag name for the run (one word) *
#******
run_01 = run_tag ! name of the run
#******
# Number of LHE events (and their normalization) and the required *
# (relative) accuracy on the Xsec. *
# These values are ignored for fixed order runs *
#******
500000 = nevents ! Number of unweighted events requested
-1.0 = req_acc ! Required accuracy (-1=auto determined from nevents)
-1 = nevt_job ! Max number of events per job in event generation.
! (-1= no split).
#******
# Normalize the weights of LHE events such that they sum or average to *
# the total cross section *
#******
average = event_norm ! valid settings: average, sum, bias
#******
# Number of points per itegration channel (ignored for aMC@NLO runs) *
#******
0.001 = req_acc_fo ! Required accuracy (-1=ignored, and use the
# These numbers are ignored except if req_acc_FO is equal to -1
5000 = npoints_fo_grid ! number of points to setup grids
4 = niters_fo_grid ! number of iter. to setup grids
10000 = npoints_fo ! number of points to compute Xsec
6 = niters_fo ! number of iter. to compute Xsec
#******
# Random number seed *
#******
0 = iseed ! rnd seed (0=assigned automatically=
#******
# Collider type and energy *
#******
1 = lpp1 ! beam 1 type (0 = no PDF)
1 = lpp2 ! beam 2 type (0 = no PDF)
6500.0 = ebeam1 ! beam 1 energy in GeV
6500.0 = ebeam2 ! beam 2 energy in GeV
#******
# PDF choice: this automatically fixes also alpha_s(MZ) and its evol. *
#******
lhapdf = pdlabel ! PDF set
303400 = lhaid ! If pdlabel=lhapdf, this is the lhapdf number. Only
! numbers for central PDF sets are allowed. Can be a list;
! PDF sets beyond the first are included via reweighting.
#******
# Include the NLO Monte Carlo subtr. terms for the following parton *
# shower (HERWIG6 | HERWIGPP | PYTHIA6Q | PYTHIA6PT | PYTHIA8) *
# WARNING: PYTHIA6PT works only for processes without FSR!!!! *
PYTHIA8 = parton_shower
1.0 = shower_scale_factor ! multiply default shower starting
#******
# Renormalization and factorization scales *
# (Default functional form for the non-fixed scales is the sum of *
# the transverse masses divided by two of all final state particles *
# and partons. This can be changed in SubProcesses/
# dynamical_
#******
False = fixed_ren_scale ! if .true. use fixed ren scale
False = fixed_fac_scale ! if .true. use fixed fac scale
91.118 = mur_ref_fixed ! fixed ren reference scale
91.118 = muf_ref_fixed ! fixed fact reference scale
-1 = dynamical_
! dynamical choices. Can be a list; scale choices beyond the
! first are included via reweighting
0.5 = mur_over_ref ! ratio of current muR over reference muR
0.5 = muf_over_ref ! ratio of current muF over reference muF
#******
# Reweight variables for scale dependence and PDF uncertainty *
#******
1.0, 2.0, 0.5 = rw_rscale ! muR factors to be included by reweighting
1.0, 2.0, 0.5 = rw_fscale ! muF factors to be included by reweighting
True = reweight_scale ! Reweight to get scale variation using the
! rw_rscale and rw_fscale factors. Should be a list of
! booleans of equal length to dynamical_
! specify for which choice to include scale dependence.
False = reweight_pdf ! Reweight to get PDF uncertainty. Should be a
! list booleans of equal length to lhaid to specify for
! which PDF set to include the uncertainties.
#******
# Store reweight information in the LHE file for off-line model- *
# parameter reweighting at NLO+PS accuracy *
#******
False = store_rwgt_info ! Store info for reweighting in LHE file
#******
# ickkw parameter: *
# 0: No merging *
# 3: FxFx Merging - WARNING! Applies merging only at the hard-event *
# level. After showering an MLM-type merging should be applied as *
# well. See http://
# 4: UNLOPS merging (with pythia8 only). No interface from within *
# MG5_aMC available, but available in Pythia8. *
# -1: NNLL+NLO jet-veto computation. See arxiv:1412.8408 [hep-ph]. *
#******
0 = ickkw
#******
#
#******
# BW cutoff (M+/-bwcutoff*
# written in the LHE event file *
#******
15.0 = bwcutoff
#******
# Cuts on the jets. Jet clustering is performed by FastJet. *
# - When matching to a parton shower, these generation cuts should be *
# considerably softer than the analysis cuts. *
# - More specific cuts can be specified in SubProcesses/cuts.f *
#******
1.0 = jetalgo ! FastJet jet algorithm (1=kT, 0=C/A, -1=anti-kT)
0.7 = jetradius ! The radius parameter for the jet algorithm
10.0 = ptj ! Min jet transverse momentum
-1.0 = etaj ! Max jet abs(pseudo-rap) (a value .lt.0 means no cut)
#******
# Cuts on the charged leptons (e+, e-, mu+, mu-, tau+ and tau-) *
# More specific cuts can be specified in SubProcesses/cuts.f *
#******
0.0 = ptl ! Min lepton transverse momentum
-1.0 = etal ! Max lepton abs(pseudo-rap) (a value .lt.0 means no cut)
0.0 = drll ! Min distance between opposite sign lepton pairs
0.0 = drll_sf ! Min distance between opp. sign same-flavor lepton pairs
30.0 = mll ! Min inv. mass of all opposite sign lepton pairs
30.0 = mll_sf ! Min inv. mass of all opp. sign same-flavor lepton pairs
#******
# Photon-isolation cuts, according to hep-ph/9801442. When ptgmin=0, *
# all the other parameters are ignored. *
# More specific cuts can be specified in SubProcesses/cuts.f *
#******
20.0 = ptgmin ! Min photon transverse momentum
-1.0 = etagamma ! Max photon abs(pseudo-rap)
0.4 = r0gamma ! Radius of isolation code
1.0 = xn ! n parameter of eq.(3.4) in hep-ph/9801442
1.0 = epsgamma ! epsilon_gamma parameter of eq.(3.4) in hep-ph/9801442
True = isoem ! isolate photons from EM energy (photons and leptons)
#******
# Cuts associated to MASSIVE particles identified by their PDG codes. *
# All cuts are applied to both particles and anti-particles, so use *
# POSITIVE PDG CODES only. Example of the syntax is {6 : 100} or *
# {6:100, 25:200} for multiple particles *
#******
{} = pt_min_pdg ! Min pT for a massive particle
{} = pt_max_pdg ! Max pT for a massive particle
{} = mxx_min_pdg ! inv. mass for any pair of (anti)particles
#******
# For aMCfast+APPLGRID use in PDF fitting (http://
#******
0 = iappl ! aMCfast switch (0=OFF, 1=prepare grids, 2=fill grids)
#******
#******
# Additional hidden parameters
#******
5 = maxjetflavor # hidden_parameter
<--
May you please help with that? Thanks.
Question information
- Language:
- English Edit question
- Status:
- Solved
- Assignee:
- No assignee Edit question
- Solved by:
- Olivier Mattelaer
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