WHIZARD

problem loading ufo model

Asked by Shafakat Arifeen

Hi,

I'm new to whizard. I'm trying to load a UFO model I wrote using Feynrules and it works in MadGraph. But when I tried to load in whizard, I get the following issues:

|=============================================================================|
| WHIZARD 3.1.0
|=============================================================================|
| Reading model file '/usr/local/share/whizard/models/SM.mdl'
| Preloaded model: SM
| Process library 'default_lib': initialized
| Preloaded library: default_lib
| Reading model file '/usr/local/share/whizard/models/SM_hadrons.mdl'
| Reading commands from file 'whatever.sin'
| Model: Generating model 'pidm' from UFO sources
| Model: Searching for UFO sources in working directory
| Model: Found UFO sources for model 'pidm'
| command: /usr/local/bin/omega_UFO.opt -model:UFO_dir ./pidm -model:exec -model:write_WHIZARD > pidm.ufo.mdl
| Return code = 512
******************************************************************************
******************************************************************************
*** FATAL ERROR: System command returned with nonzero status code
******************************************************************************
******************************************************************************
WHIZARD run aborted.

Here is the input file, apologies if there are mistakes on it because I'm currently learning it:

model = pidm (ufo)
sqrts = 14 TeV
process dpipdpim = dpip, dpim => dpip, dpim
compile

beams = dpip, dpim
simulate(dpipdpim)
show(results)

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
What could be the issue here?

Thank you.

Question information

Language:
English Edit question
Status:
Solved
For:
WHIZARD Edit question
Assignee:
Juergen Reuter Edit question
Solved by:
Juergen Reuter
Solved:
Last query:
Last reply:
Revision history for this message
Juergen Reuter (j.r.reuter) said : 		#1

Dear Shafakat,
the command to generate the Whizard model file out of the UFO model files failed, so very likely there is some problem with the UFO file. Was there any other output on the command line with that? In any case, you probably have to send us the UFO file via email, best
to <whizard (at) desy.de> such that we can check what went wrong.
Cheers,
    JRR (Juergen)

Revision history for this message
Shafakat Arifeen (arifeen) said : 		#2

Dear Juergen,

Thank you for your reply. I have managed to load the UFO model (there was indeed a term in the Lagrangian that caused this issue). I am now trying to generate a process while loading the luxqed PDF with the following command in the sin file:
beams = p, p => lhapdf
$lhapdf_file = "LUXqed17_plus_PDF4LHC15_nnlo_100"

Even though I have the PDF in the same directory of whizard, it fails to locate the PDF. Am I missing something?

Cheers,

Shafakat

Revision history for this message
Best Juergen Reuter (j.r.reuter) said : 		#3

Hi Shafakat,
good to hear you solved your problem with the UFO file. This is now a different problem (and other users normally wouldn't expect problems regarding LHAPDF under a question labelled 'problems to preload a UFO file'). So please consider opening a new question for a new problem in the future. Whizard will only be able to use LHAPDF when it has successfully been configured with LHAPDF, which you can see from the config-summary.log. This tells you, e.g. for my installation:
LHAPDF (PDF sets) : yes, v6.5.3
        PDF set path: /home/reuter/local/share/LHAPDF
And that is the path where it expects all the PDFs. That's where you should pack your LUXPDF.
Cheers,
    JRR

Revision history for this message
Shafakat Arifeen (arifeen) said : 		#4

Thanks Juergen Reuter, that solved my question.