[Rivet] Question about adding an ATLAS CONF note data points for comparison plots

[Raghav Kunnawalkam Elayavalli]

Hi Deepak,

Yeah we know that the conf note was super-seeded by the paper you refer to. But unfortunately, they changed the main observable! the published paper does not have what they show in the note which is what we are comparing our theoretical model to. Its in this specific case that we want to use the preliminary conference result.

Cheers
Raghav

On Apr 13, 2016, at 4:03 PM, Deepak Kar <Deepak.Kar at cern.ch<mailto:Deepak.Kar at cern.ch>> wrote:

Dear all,

Just chiming in here as an ATLAS insider. I see this is a heavy ion CONF note, and if you go here:
https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2012-119/
It says,
these preliminary results are superseded by the following paper:
HION-2012-07

So ideally you should be using the data from the paper, not the CONF (also in principle ATLAS do not make CONF data points public). If that paper is not in Rivet (I see the data points are in Hepdata), then of course you can write your code, but may also be worth emailing ATLAS rivet contact Christian Gutscow (added in cc) to check if anyone commited to doing it from the collaboration.

Best,
Deepak

On Wed, Apr 13, 2016 at 3:45 PM, Andy Buckley <andy.buckley at cern.ch<mailto:andy.buckley at cern.ch>> wrote:
Hi Raghav,

The YODA and AIDA formats both discriminate between "histograms" and similar which have number-of-entries, sums of weights, etc., and "graph/scatter/datapoint-set" objects which are just list of x & y points and their errors. Reference data all has to use the latter sort, since the details of the histogram filling aren't recorded.

If you take a look at some of the .yoda reference data files that come bundled with Rivet, you'll see the syntax for the YODA Scatter2D type, which is the relevant thing to use. It's fine to enter the values from a plot grabber, although obviously there are better ways for "official" analysis submissions from the experiments because they have the original data files available.

Regarding writing the .cc analysis code, yes you will need to do this. We need a more specific question, though! There are some tutorials linked from the Rivet website via the "Documentation" link, as well as a quick guide under "Writing an analysis". Let us know if you need help with some aspect in particular.

Cheers,
Andy


On 13/04/16 14:35, Raghav Kunnawalkam Elayavalli wrote:
I think I know how to do it using the old rivet and an aida file. But
with this yoda file now contains the scale, total entires etc... which
we cant get from the data plot.

Cheers
Raghav

On Apr 13, 2016, at 3:21 PM, Raghav Kunnawalkam Elayavalli
<raghav.k.e at cern.ch<mailto:raghav.k.e at cern.ch> <mailto:raghav.k.e at cern.ch<mailto:raghav.k.e at cern.ch>>> wrote:

Dear Rivet experts,

Im not sure if this is the right place to ask questions, but I would
like to use the data points from the ATLAS conference note
ATLAS-CONF-2012-119
<http://cds.cern.ch/record/1472941/files/ATLAS-CONF-2012-119.pdf> with
the latest version of rivet. I was thinking that I just create a .yoda
file and hand write in all the values i get off a plot grabber. Should
i also create a .cc analysis with this? im not sure how this is done.
thanks!

Cheers
Raghav



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Deepak Kar
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