madspin not loading correct restrict file in 2.3.0 (and crashing as a result)

[Josh Bendavid]

When running madspin in 2.3.0 for an NLO process generated with the "loop_sm-ckm" model, madspin crashes when trying to decay it.

It looks as though madspin does not load the correct restrict.dat file from the model, and as a result crashes because of mismatches in the lhe header related to the ckm parameters.

INFO: Events generated
decay_events -from_cards
INFO: Running MadSpin
INFO: This functionality allows for the decay of resonances
INFO: in a .lhe file, keeping track of the spin correlation effets.
INFO: BE AWARE OF THE CURRENT LIMITATIONS:
INFO: (1) Only a succession of 2 body decay are currently allowed
************************************************************
* *
* W E L C O M E to M A D S P I N *
* *
************************************************************
INFO: Extracting the banner ...
INFO: process: p p > w+
INFO: options:
INFO: detected model: loop_sm-ckm. Loading...
set ms_dir ./madspingrid
set Nevents_for_max_weigth 250 # number of events for the estimate of the max. weight
set max_weight_ps_point 400 # number of PS to estimate the maximum for each event
set max_running_process 1
decay t > w+ b, w+ > all all
decay t~ > w- b~, w- > all all
decay w+ > all all
decay w- > all all
decay z > all all
launch
INFO: Will use seed 309901791
INFO: generating Madspin matrix element
WARNING: set the mass of the b-quark to its value in the param_card.dat: 4.7 GeV
INFO: We need to recalculate the branching fractions for t~,w-,z,w+,t
INFO: Using MadWidth (arXiv:1402.1178)
INFO: Restrict model /afs/cern.ch/work/b/bendavid/gridpack230/genproductions/bin/MadGraph5_aMCatNLO/wplustest_4f_NLO/wplustest_4f_NLO_gridpack/work/MG5_aMC_v2_3_0/models/loop_sm with file ../MG5_aMC_v2_3_0/models/loop_sm/restrict_default.dat .
INFO: Run "set stdout_level DEBUG" before import for more information.
Command "launch -n pilotrun" interrupted with error:
MadGraph5Error : Invalid restriction card (not same block)
            set(['wolfenstein', 'yukawa', 'decay', 'mass', 'sminputs', 'loop']) != set(['yukawa', 'sminputs', 'mass', 'loop', 'decay']).
            Missing block:
            Unknown block : wolfenstein
Please report this bug on https://bugs.launchpad.net/madgraph5
More information is found in '/afs/cern.ch/work/b/bendavid/gridpack230/genproductions/bin/MadGraph5_aMCatNLO/wplustest_4f_NLO/wplustest_4f_NLO_gridpack/work/processtmp/pilotrun_tag_1_debug.log'.
Please attach this file to your report.
quit
INFO:

cleaning unneeded files from gridpack
Saving log file

[Olivier Mattelaer (olivier-mattelaer)]

Hi Josh,

Here is a patch:

=== modified file 'madgraph/interface/madgraph_interface.py'
--- madgraph/interface/madgraph_interface.py 2015-06-26 10:55:43 +0000
+++ madgraph/interface/madgraph_interface.py 2015-07-20 16:23:13 +0000
@@ -6432,7 +6432,7 @@
             logger.warning(warning_text)

         if not model:
- modelname = self._curr_model.get('modelpath')
+ modelname = self._curr_model.get('modelpath+restriction')
             with misc.MuteLogger(['madgraph'], ['INFO']):
                 model = import_ufo.import_model(modelname, decay=True)
         else:

Cheers,

Olivier

[Josh Bendavid (joshbendavid)]

Yes that solves it for me, thanks.