[Rivet] CMS_2015_I1384119 plugin (minbias eta)

[Holger Schulz]

On 22/10/15 17:15, Janssen Xavier wrote:
> Hi Holger
>
> Oh Sorry, the label should be 1/N dNch/deta ofc as in the paper.
Hi Xavier,

thanks for the clarification, I'll fix this for the next release.

I just cross read the paper, there is one sentence that concerns me a bit:

    The data points and uncertainties are symmetrized in ±?.

See I was running a minbias MC through the analysis and it is pretty
much a factor 2 off (attachment).

Do you remember who made the validation plots that came with the tarball 
in rivet contrib?
I would like to run a setup present in those plots to rule out any rivet 
problems.

Thanks,
Holger

> Cheers, Xavier.
>
>
>> On 22 Oct 2015, at 18:10, Holger Schulz<iamholger at googlemail.com>  wrote:
>>
>> Hi Xavier, Hannes,
>>
>> I am having trouble understand the 13TeV pseudorapidity
>> distribution in the CMS_2015_I1384119 analysis.
>>
>> In the rivet version, the ylabel says 1/N dN/deta which would
>> mean that the integral of the curve should be =1 --- however
>> it is more like 24.
>>
>> I had a look into the paper to see if there is some normalisation
>> factor but found that there on Figure 3 the ylabel is not mentioning
>> a normalisation, i.e. it says dNch/d eta.
>>
>> Could you please clarify what the normalisation of this histogram
>> is?
>>
>> Thanks,
>> Holger
>>
>>
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