[Rivet] Update DELPHI b fragmentation

[Holger Schulz]

Hi, just spoke with Grame over lunch, we'll get the data today!

Concerning code changes --- there are a few outdated methods that I'll
replace with ParticleUtils things.

Also, the primary x_B is no longer measured, I don't remember the
details as to why that was disfavoured by the tuning community,
just vaguely that it was kind of unphysical.

Holger



On 08/08/16 11:55, Andy Buckley wrote:
> Copying in Graeme Watt from HepData,
>
> Graeme, could we get
> https://inspirehep.net/record/890503
> transcribed into HepData, please?
>
> I'm all for this update... not sure if it requires code changes as 
> well as data changes, though? If it's an easy update and becomes 
> available on HepData quickly then we can get it into the upcoming 
> 2.5.1, but I wouldn't delay the release for this: we have a lot of 
> other analyses in the pipeline, so an August/Sept 2.5.2 release seems 
> likely.
>
> Andy
>
>
> On 08/08/16 10:32, Frank Siegert wrote:
>> Hi Markus,
>>
>> I agree it would be neat to have this in Rivet, and the numbers are
>> also given in Table 7, so shouldn't be too difficult to get into
>> HepData, which would be the first step.
>>
>> Given that the results are basically consistent with the ones from
>> ALEPH as shown in Fig. 13, and the ALEPH binning is quite a bit finer,
>> and the ALEPH analysis is already available in Rivet
>> (ALEPH_2001_S4656318) one could possibly also use that one instead
>> until the DELPHI one is implemented.
>>
>> Cheers,
>> Frank
>>
>>
>> On 8 August 2016 at 11:18, Markus Seidel <markus.seidel at cern.ch> wrote:
>>> Dear Rivet team,
>>>
>>> would it be possible to add the b-fragmentation paper from DELPHI?
>>> https://inspirehep.net/record/890503
>>>
>>> I think it is just an update to DELPHI_2002_069_CONF_603, but the new
>>> version agrees better with the predictions for low x_B^weak.
>>>
>>> Cheers,
>>> Markus
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>
>