Attachment '10.12.2013.txt'

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   1 ========== minutes of HERAFitter User's meeting 10.12.2013 =============
   2 Status: 
   3  the first HERAFitter-1.0.0 stable released is announced ! 
   4  - access via usual public web page (theory files donloadable separately)
   5  - includes updated README and (new) INSTALLATION file, release notes 
   6    (manual is being updated and will be added later)
   7  - stable release includes many improvements: restructuring/cleaning up the
   8    code, several updates to existing external packages (HATHOR, uPDF),
   9    simplified interface to parametrisation style, enabled LO PDFs,
  10    improvements for data to theory quantitative comparisons (chi2), 
  11    treatment of experimental uncertainties, significantly improved drawing 
  12    tools, fit lead PDFs, generic tool for global minima solution, new 
  13    interface to APPLGRIDs including possibility to use CKM values from 
  14    HERAFitter package or grids, also exclusion of specific data bins 
  15    from the fit.
  16 
  17  The HERAFitter paper initially planned with the stable release is being
  18  iterated with SG and planned early next year.
  19 
  20  HERAFitter-1.0.0 will be presented in the PDF4LHC on 13.12.2013 and 
  21  in the "HEP for the LHC Era" conference (16-20.12.2013 by P. Laycock).
  22 
  23  Doodle for next User's meeting in planned Jan-Feb (doodle to be sent)
  24 
  25  Feedback: suggestion to publish manual as well -useful for reference
  26  but also brings confusion with citation (paper should be the main citation).
  27 
  28 
  29 --->>>  aMC@NLO presentation by Juan Rojo:
  30  aMCatNLO - theory predictions with NLO QCD accuracy for arbitrary 
  31  processes in the SM and their matching to Parton Showers.
  32  First full release expected this week - important for HERAFitter as will 
  33  be interfaced to Applgrid and therefore can be directly used.
  34 
  35 
  36 --->>>  APFEL presentation by Stefano Carrazza:
  37  release 2.0.0 presented (detailed description presented in the previous
  38  User's meeting): contains new DIS module for CC and NC with FFNS, ZM 
  39  and FONLL schemes, interface to APFEL evolution (verified against HOPET),
  40  new graphical user interface (improved drawing and comparison of PDF options),   
  41  an interactive console.
  42  In plans: implementation of the MSbar masses for the DIS observables, 
  43  interface to Applgrid, inclusion of the PDF evolution in the pre-existing 
  44  APPLgrid grids.
  45  Profit for HERAFitter - easy access of FONLL schemes - CPU consumption 
  46  could be an issue (possibility to use k-factors? to be checked).
  47 
  48 
  49 --->>>  Lead PDFs and Errors presentation by Ben Clark
  50   nCTEQ error sets created (compared to standard CT10 PDFs) which also
  51   allows to calculate parton-parton luminosities.
  52   The developed Mathematica packages allows to manipulate PDF/nPDF sets
  53   (to become public), will include interface to LHAPDF6 (experience
  54   could be useful for HERAFitter). 

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  • [get | view] (2012-02-17 17:04:40, 2.4 KB) [[attachment:Minutes.txt]]
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