Fortran runtime error during reweighting

Asked by Avik Roy

During a VLQ process generation with enabled reweighting, I encounter a Fortran runtime error during reweighting the reweighting phase of event generation.

At line 312 of file lha_read.f
Fortran runtime error: Bad real number in item 1 of list input

This is the proc card:

import model VLQ_v4_4FNS_UFO
define l+ = e+ mu+
define l- = e- mu-
define vl = ve vm vt
define vl~ = ve~ vm~ vt~
define p = g u c d s u~ c~ d~ s~
define j = g u c d s u~ c~ d~ s~
define bb = b b~
define WW = w+ w-
define tt = t t~
define ferm = ve vm vt ve~ vm~ vt~ u c d s b u~ c~ d~ s~ b~ e- mu- ta- e+ mu+ ta+
define VLQ = tp tp~
generate p p > j t z t~ /p y y~ b b~ bp bp~ x x~ WW h a VLQ=2 QED=1 QCD=1
output VLQ_ZTZt_SIG_WITHNONRES_VLQONLY

The reweight card:

launch --rwgt_name=M14
 set KTLW3 0.5744
 set KTLZ3 0.814243
 set KTLH3 4.70484
 set WTP 883.467
 set MTP 1400.0
A more elaborate description of the error:

INFO: set param_card decay 6000006 883.467 # orig: 1088.008
KEEP:set param_card ktlz 3 0.814243 # orig: 0.81242
KEEP:set param_card ktlw 3 0.5744 # orig: 0.57463
KEEP:set param_card mass 6000006 1400.0 # orig: 1500.0
KEEP:set param_card ktlh 3 4.70484 # orig: 5.03677
KEEP:
At line 312 of file lha_read.f
Fortran runtime error: Bad real number in item 1 of list input

I am using MG 2.6.5 for this.

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Olivier Mattelaer (olivier-mattelaer) said :
#1

Hi,

I did not reproduce this error neither in 2.9.3 neither in our latest release 3.1.0.
Could you update to one of those version?

Cheers,

Olivier

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