[Rivet] CMS rivet analyses

[Hendrik Hoeth]

Dear Albert,

thanks a lot for the analyses! I still need to take a closer look,
but I do have a few questions:

- Did you validate the Rivet analyses against your own analysis, i.e.
  can you reproduce the MC plots in the publication? You are naturally
  in a much better situation to do this than we are, so please set the
  status in the .info files to "VALIDATED" if they are validated or fix
  them if they need to be fixed.

- The info file for CMS_2011_S8968497 is fairly ... empty. Also the plot
  titles in the .plot file only list cuts, not what observable you are
  plotting. Do you plan to update this analysis?

- The .plot file for CMS_2011_S8884919 is empty. Well, technically it's
  not, but it doesn't contain any information. The .info file for that
  analysis causes two parse errors that are easily fixed by indenting
  the Description text and removing the whitespace around the colons in
  the References.

- In CMS_2011_S8884919 you fill the _h_cq_eta05 and _h_cq_eta24
  histograms in the finalize method. Are you sure you are handling the
  uncertainties correctly? Don't you have to use a DataPointSet and
  handle the errors manually?

- The plot titles of CMS_2010_S8656010 talk about |eta|=0.1, |eta|=0.2,
  etc. I assume you actually mean <= and not =. Is that correct?

Cheers,

    Hendrik

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