[Rivet] Rivet routine for D0_2000_I503361

[Frank Siegert]

Hi Holger,

given that you have committed this analysis now as validated (using
Sherpa), I was just wondering whether the normalisation looks as
expected. Simone mentioned that his validation was done using Pythia8,
and it would be surprising that Pythia8 matches the cross section
correctly -- one would expect a global ~ -15% offset due to the
missing NLO accuracy.

Have you compared it against NLO Sherpa (or LO Sherpa scaled with an
appropriate k-factor) and see good agreement? Anything else could
point to missing (lepton?) cuts.

Cheers,
Frank



On 28 September 2015 at 11:39, Simone Amoroso <simo.amoroso at gmail.com> wrote:
> Hi Frank,
>
> For the selections (since the paper was not really clear), I copied what was used in the Z/W pT ratio (already in RIVET),
> which makes use of the same selections.
>
> The validation was simply made by running Pythia8, I definitely didn’t apply k-factors,
> but I might have rescaled the prediction to data (I honestly don’t remember).
>
> cheers,
> Simone
>
>> On 23 Sep 2015, at 16:07, Frank Siegert <frank.siegert at cern.ch> wrote:
>>
>> Hi all,
>>
>> I have just started to look at this to get it in for the imminent
>> release. The paper is at first glance not very clear on which
>> selection requirements were retained for the final cross section
>> measurement. Simone, do you remember, why you removed the electron ET
>> cuts? Did they correct completely for the electron acceptance?
>>
>> And for your validation plot, I was wondering which Monte-Carlo did
>> you run, and is the prediction scaled by a (K-)factor?
>>
>> Cheers,
>> Frank
>>
>>
>>
>> On 1 July 2015 at 15:57, Chris Pollard <cpollard at cern.ch> wrote:
>>> Hi Simone,
>>>
>>> In this analysis I notice that there is no lepton pt cut imposed in the
>>> ZFinder. Was this intentional? I guess at least one lepton needs to have pT
>>>> 10 GeV to fire the trigger?
>>>
>>> Chris
>>>
>>> On Thu, May 7, 2015 at 9:51 AM, Andy Buckley <andy.buckley at cern.ch> wrote:
>>>>
>>>> On 07/05/15 07:55, Simone Amoroso wrote:
>>>>> Hi Andy,
>>>>>
>>>>> I made a new RIVET routine for the D0 RunI measurement of the Z pT.
>>>>> Below a validation plot and attached the tarball.
>>>>
>>>> Thanks Simone, I've put it in the analysis contrib area and we'll get it
>>>> into a new Rivet release as soon as possible.
>>>>
>>>> Andy
>>>>
>>>> --
>>>> Dr Andy Buckley, Lecturer / Royal Society University Research Fellow
>>>> Particle Physics Expt Group, University of Glasgow
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>>>
>>>
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