Fail to reach target

Asked by Sebastian Urrutia-Quiroga on 2019-07-18

Hi all
I'm tying to generate 10k events at parton level, but I'm getting the following error message: "INFO: fail to reach target 10000". I read there was a bug in some of the previous versions, but I don't know if it is the case for mine (2.6.5).

Thanks,
Sebastian

Question information

Language:
English Edit question
Status:
Solved
For:
MadGraph5_aMC@NLO Edit question
Assignee:
No assignee Edit question
Solved by:
Olivier Mattelaer
Solved:
2019-07-25
Last query:
2019-07-25
Last reply:
2019-07-18

Hi,

Probability to have a bug in (any) version is 100%.
So yes your version has a bug. You can update to 2.6.6.

Now such message is not always a bug.
it can be
1) the fact that you ask something impossible to do (like e+ e- > e+ e- without any cut)
2) the fact that you ask something which is too difficult for us to do (like some non trivial interference computation)
3) a bug

Cheers,

Olivier

> On 18 Jul 2019, at 15:07, Sebastian Urrutia-Quiroga <email address hidden> wrote:
>
> New question #682143 on MadGraph5_aMC@NLO:
> https://answers.launchpad.net/mg5amcnlo/+question/682143
>
> Hi all
> I'm tying to generate 10k events at parton level, but I'm getting the following error message: "INFO: fail to reach target 10000". I read there was a bug in some of the previous versions, but I don't know if it is the case for mine (2.6.5).
>
> Thanks,
> Sebastian
>
> --
> You received this question notification because you are an answer
> contact for MadGraph5_aMC@NLO.

Hi Olivier,

Thank you for your quick reply. I'm trying to generate the following processes

p p > j j w- w-, w- > e- ve~
p p > j j j w- w-, w- > e- ve~

using the default cuts. Do you think the problem could rely on this, or it is more likely a bug?

Best,
Sebastian

So qcd background to vbf. That’s slightly surprising. But certainly in the very hard process to integrate.

Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: <email address hidden> <email address hidden> on behalf of Sebastian Urrutia-Quiroga <email address hidden>
Sent: Thursday, July 18, 2019 5:42:40 PM
To: Olivier Mattelaer <email address hidden>
Subject: Re: [Question #682143]: Fail to reach target

Question #682143 on MadGraph5_aMC@NLO changed:
https://answers.launchpad.net/mg5amcnlo/+question/682143

Sebastian Urrutia-Quiroga posted a new comment:
Hi Olivier,

Thank you for your quick reply. I'm trying to generate the following
processes

p p > j j w- w-, w- > e- ve~
p p > j j j w- w-, w- > e- ve~

using the default cuts. Do you think the problem could rely on this, or
it is more likely a bug?

Best,
Sebastian

--
You received this question notification because you are an answer
contact for MadGraph5_aMC@NLO.

Thanks Olivier Mattelaer, that solved my question.