[Rivet] all events are vetoed in Drell Yan analysis

[Holger Schulz]

Lars Sonnenschein wrote:
> Hello Holger
> do you produce Root files or aida output files?
> If you write out Root files can you please check if the Rivet.aida file
> has also zero entries for the y values?
>
> Thank you
>
>        Lars
>
>
> On Mon, 8 Sep 2008, Holger Schulz wrote:
>
>   
>> Hi,
>>
>> I want to generate some data using the CDF_2008_NOTE_9351 analysis in Rivet
>> and I am having trouble doing so. All the histos have zero entries due 
>> to the fact
>> that all events are being vetoed during the execution of Rivet.analyze().
>>
>> Provided that everything is ok with the implementation of the analysis 
>> and that
>> the rather strict cuts are unavoidable, is there a way to tell Rivet to 
>> tell the Generator
>> to "regenerate" an event?
>>
>> Or do I have to set the number of events to generate higher? (My latest 
>> attempt
>> included 300 times 1 million events with Pythia6:418.)
>>
>> Cheers,
>> Holger
>>
>>
>> _______________________________________________
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>> Rivet at projects.hepforge.org
>> http://www.hepforge.org/lists/listinfo/rivet
>>
>>     
>
>   
I produce aida files. The contents look like that:
   <dataPoint>
      <measurement value="12.5" errorPlus="2.5" errorMinus="2.5"/>
      <measurement value="0" errorPlus="0" errorMinus="0"/>
    </dataPoint