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Hi Christian,<br>
<br>
Thanks for the quick reply.<br>
<br>
One point just to emphasise is that the results can change
significantly depending on Monte Carlo tunes and param card choices.
I want to emphasise this because just saying 'Pythia 6' is really
not enough. I want to make this clear because I know from SUSY
examples, different choices of for example the matching scale
produce completely different results.<br>
<br>
This is why it would be so good to include the actual monte carlo
cards as well.<br>
<br>
Cheers,<br>
Jamie<br>
<br>
<br>
<div class="moz-cite-prefix">On 06/05/16 14:58, Christian Gütschow
wrote:<br>
</div>
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type="cite">
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Hi Jamie,
<div class=""><br class="">
</div>
<div class="">just to comment:</div>
<div class=""><br class="">
</div>
<div class="">
<div>
<blockquote type="cite" class="">
<div class="">
<div class="">My particular interest was actually in
ATLAS_2013_I1190187 as we could never reproduce the
p_T(lep lep met) distribution and I just saw that there
was now a rivet implementation. We were not the only
theory group that had this issue but we could never
really get to the bottom of it (even after
correspondance with ATLAS). Unfortunately (unless I've
missed something) it seems like the file here only
contains the data and not the validation.<br class="">
<br class="">
</div>
</div>
</blockquote>
<div><br class="">
</div>
<div>Unfortunately this one was submitted already ~2 years
ago, i.e. a long time before we got accustomed to submitting
validation plots along with the routines.</div>
<div><br class="">
</div>
<div>That said, if a routine has already been used to produce
the curves in the paper, then we usually don’t produce
separate validation plots and only submit the
routine/reference data even today.</div>
<div><br class="">
</div>
<br class="">
<blockquote type="cite" class="">
<div class="">
<div class="">In general, we would love to see as much as
possible! Histograms, with the data vs monte carlo is
the obvious one. I've just had a random look through
some of the analyses present and stumbled across
ATLAS_2015_I1351916. I guess the plots here are just
what we are looking for but particularly important for
us is to also know exactly which Monte-Carlo was used (I
have to admit that I haven't dug up the paper so perhaps
this is made clear here). In any case, it would be very
useful to have the information contained in the
validation directory.<br class="">
</div>
</div>
</blockquote>
<div><br class="">
</div>
<div>That’s a good point, I shall make a mental note to check
that this information is provided somewhere in the legend.
For this particular case, we used a Pythia6 sample for the
validation, which I think is described in the paper, but I
see your point: an informative legend entry won’t hurt. :-)</div>
<div><br class="">
</div>
<div class="">
<div class="">Cheers,<br class="">
</div>
</div>
Chris</div>
<div><br class="">
</div>
<div><br class="">
</div>
<div><br class="">
</div>
<div><br class="">
<blockquote type="cite" class="">
<div class="">
<div class="">On 05/05/16 21:06, Andy Buckley wrote:<br
class="">
<blockquote type="cite" class="">On 05/05/16 19:28,
Jamie Tattersall wrote:<br class="">
<blockquote type="cite" class="">Hi Andy,<br class="">
<br class="">
This is potentially a very stupid question..... but
where do I find<br class="">
validation material (i.e plots) for the Rivet
analyses? (I've been<br class="">
clicking for a while now but not got anywhere).<br
class="">
</blockquote>
<br class="">
Hi Jamie,<br class="">
<br class="">
Good question! This is probably something that we
should make a systematic point of putting online. For
the last year or so, we have managed to get the
experiments to supply validation plots along with the
code, and those plot sets are in the tarballs at<br
class="">
<a moz-do-not-send="true"
href="https://www.hepforge.org/archive/rivet/contrib/"
class="">https://www.hepforge.org/archive/rivet/contrib/</a><br
class="">
<br class="">
For a lot of the SM ones, there are also fairly
up-to-date comparisons against modern generators at
<a class="moz-txt-link-freetext" href="http://mcplots.cern.ch/">http://mcplots.cern.ch/</a><br class="">
<br class="">
But we don't yet have a repository of e.g. generator
comparisons to all plots on the Rivet website. It is
something that we could add, though... just putting
our new nightly validation outputs on the website for
example.<br class="">
<br class="">
I guess that you are more interested in the BSM
analyses, though. What sort of validation would you
like to see for those? As you know, they haven't been
a major emphasis so far, but that is changing so any
input is welcome!<br class="">
<br class="">
Andy<br class="">
<br class="">
</blockquote>
<br class="">
_______________________________________________<br
class="">
Rivet mailing list<br class="">
<a moz-do-not-send="true"
href="mailto:Rivet@projects.hepforge.org" class="">Rivet@projects.hepforge.org</a><br
class="">
<a class="moz-txt-link-freetext" href="https://www.hepforge.org/lists/listinfo/rivet">https://www.hepforge.org/lists/listinfo/rivet</a><br
class="">
</div>
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Christian Gütschow</div>
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Dresden</div>
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für Kern- und Teilchenphysik</div>
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Weg 19</div>
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CERN: 104-02-C02</div>
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