[Rivet] Rivet plugin ALICE_2014_I1300380

Holger Schulz holger.schulz at durham.ac.uk
Thu Jul 2 14:28:02 BST 2015


On 02/07/15 14:26, Enrico Fragiacomo wrote:
> Hello Holger,
>
> in the data analysis, the final pT distributions are corrected with 
> the Montecarlo for the inefficiencies like those due to the kinetic 
> cuts on the daughter particles (and also for the acceptance,...). This 
> is described in Section 2.3 in the paper. This holds for those pT bins 
> where we are able to extract the signal.
>
> The fact that e.g. for the Sigma(1385) we do not have spectra points 
> below 0.7 GeV/c is in fact due to the large inefficiency at low pT 
> which makes impossible to extract the Sigma(1385) signal. In order to 
> measure the total yield (dN/dy) or the mean pT (<pT>), an 
> extrapolation of the spectrum to pT=0 is performed. This is described 
> in Section 3 of the paper.
>

> Does this answer your question?
Hmm, not sure what to do then. So when you were unfolding, did the 
truth/hadron level definition have a pT cut or not?

Thanks,
Holger
> Thank you.
> Enrico
>
>
> On 07/02/2015 02:56 PM, Holger Schulz wrote:
>> Hi,
>>
>> we are about to release Rivet 2.3.0 and are currently going over the 
>> list of not
>> yet included analyses.
>>
>> Looking at your analysis I do not quite understand the kinematic cuts 
>> applied at
>> hadron level. In the publication there is a table "common cuts" that 
>> lists a pT
>> cut of 0.15 GeV for all selected particles.
>>
>> Then in you final plots, the pT distributions appear to have a cut of
>> pT>1 GeV. The plugin, however, does not have a pT cut whatsoever.
>>
>> Could you please clarify this? Otherwise I can only include your 
>> analysis
>> marked as "UNVALIDATED" in the next release.
>>
>> Thanks,
>> Holger
>



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