MadGraph5_aMC@NLO

You try to draw decay chain diagrams without first running output

Asked by liangshang

mg5>import model StandardModel_hza_UFO
INFO: load particles
INFO: load vertices
INFO: Change particles name to pass to MG5 convention
Kept definitions of multiparticles l- / j / vl / l+ / p / vl~ unchanged
Defined multiparticle all = g u c d s u~ c~ d~ s~ a ve vm vt e- mu- ve~ vm~ vt~ e+ mu+ t b t~ b~ z w+ h w- ta- ta+
mg5>generate e+ e- > ve ve~ h, h > z a
INFO: Checking for minimal orders which gives processes.
INFO: Please specify coupling orders to bypass this step.
INFO: Trying process: e+ e- > ve ve~ h WEIGHTED=6
INFO: Process has 3 diagrams
INFO: Checking for minimal orders which gives processes.
INFO: Please specify coupling orders to bypass this step.
INFO: Trying coupling order WEIGHTED=1
INFO: Trying process: h > z a WEIGHTED=1
INFO: Process has 1 diagrams
1 processes with 4 diagrams generated in 0.039 s
Total: 1 processes with 4 diagrams
mg5>display diagrams
WARNING: You try to draw decay chain diagrams without first running output.
          The decay processes will be drawn separately
Drawing Process: e+ e- > ve ve~ h WEIGHTED=6
Wrote file /tmp/diagrams_0_epem_vevexh.eps
open /tmp/diagrams_0_epem_vevexh.eps
Drawing Process: h > z a WEIGHTED=1
Wrote file /tmp/diagrams_h_za.eps
open /tmp/diagrams_h_za.eps
time to draw 0.011519908905
mg5>Attempt to register the same DBusConnection with the message bus, but it is already registered
Attempt to register the same DBusConnection with the message bus, but it is alre ady registered
mg5>

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Olivier Mattelaer (olivier-mattelaer) said : 		#1

Hi,

This warning is just to inform that at that stage, you will not have the full diagram drawed in the expected way since before the output command.
we still have the production and the decay unconnected. Therefore you will have one file for the production and one file for the decay.

> Attempt to register the same DBusConnection with the message bus, but it is alee day registered
Concerning this, this doesn't seems linked to MG5 but rather to the program used for opening the ps file.

Cheers,

Olivier

On Dec 7, 2013, at 9:16 AM, liangshang <email address hidden> wrote:

> New question #240427 on MadGraph5:
> https://answers.launchpad.net/madgraph5/+question/240427
>
> mg5>import model StandardModel_hza_UFO
> INFO: load particles
> INFO: load vertices
> INFO: Change particles name to pass to MG5 convention
> Kept definitions of multiparticles l- / j / vl / l+ / p / vl~ unchanged
> Defined multiparticle all = g u c d s u~ c~ d~ s~ a ve vm vt e- mu- ve~ vm~ vt~ e+ mu+ t b t~ b~ z w+ h w- ta- ta+
> mg5>generate e+ e- > ve ve~ h, h > z a
> INFO: Checking for minimal orders which gives processes.
> INFO: Please specify coupling orders to bypass this step.
> INFO: Trying process: e+ e- > ve ve~ h WEIGHTED=6
> INFO: Process has 3 diagrams
> INFO: Checking for minimal orders which gives processes.
> INFO: Please specify coupling orders to bypass this step.
> INFO: Trying coupling order WEIGHTED=1
> INFO: Trying process: h > z a WEIGHTED=1
> INFO: Process has 1 diagrams
> 1 processes with 4 diagrams generated in 0.039 s
> Total: 1 processes with 4 diagrams
> mg5>display diagrams
> WARNING: You try to draw decay chain diagrams without first running output.
> The decay processes will be drawn separately
> Drawing Process: e+ e- > ve ve~ h WEIGHTED=6
> Wrote file /tmp/diagrams_0_epem_vevexh.eps
> open /tmp/diagrams_0_epem_vevexh.eps
> Drawing Process: h > z a WEIGHTED=1
> Wrote file /tmp/diagrams_h_za.eps
> open /tmp/diagrams_h_za.eps
> time to draw 0.011519908905
> mg5>Attempt to register the same DBusConnection with the message bus, but it is already registered
> Attempt to register the same DBusConnection with the message bus, but it is alre ady registered
> mg5>
>
>
> --
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