Attachment '27.05.2014.txt'

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   1 **********************************************************
   2 *       HERAFitter User's meeting, 27 May 2014           *
   3 **********************************************************
   4 
   5 NEWS: 
   6  Upcoming Proton Structure in the LHC Era - School and Workshop,
   7  29 Sept- 2 Oct, poster with announcement to be sent very soon 
   8  including the agenda page with registration information.  
   9 
  10  New results based on HERAFitter includes:
  11  - study of the impact of LO/NLO/NNLO PDF correlations (presented in 
  12    details in the last meeting). 
  13    More HERAFitter Developers publications are planned in the future,
  14    e.g. study of the Tevatron data impact on PDFs is ongoing.
  15  - ggH benchmark for Les Houches 2013: Physics at TeV Colliders (SM
  16    working group report). The first release contains benchmarks with
  17    HERA only data, further data are planned to include in further 
  18    studies (also using HERAFitter which is perfectly suited for it)
  19  - ATLAS low-mass DY paper at 7TeV
  20 
  21  The list of conferences with HERAFitter presentation is growing 
  22  (recently accepted talk in ICEHP, submitted abstract to ICNFP).
  23 
  24  Developments and plans: 
  25  - the next release is planned once the QED+QCD PDFs are implemented
  26    into HERAFitter (see Rent's contribution), in addition new data 
  27    sets will be included and many new drawing options added (see 
  28    Stefano's contribution). Longer term plans include ttbar 
  29    differential aprox. NNLO calculation (Marco will be reporting 
  30    the status in the next meeting), updates on heavy flavour
  31    treatment, fits to lead+proton PDFs.
  32 
  33 
  34 -------------------------------------------------------------
  35 Stefano Camarda "Updates on drawing tools"
  36  - many new developments and improvements since HERAFitter 1.0.0
  37    (in trunk and available to developers only)
  38  - by default DrawPdfs produces a multipage file plots.pdf with
  39    PDF plots, data plots, shifts, chi2 parameters, etc
  40  - the latex table with the fitted chi2 and fit parameters are
  41    produced in addition. Very well received addition :) 
  42    in the meeting decided to add also and paramterisation information
  43  
  44 -------------------------------------------------------------
  45 Renat Sadykov "QED PDFs in HERAFitter"
  46  - a good progress in the photon induced contribution to PDFs,
  47    good agreement between SANC MC vs SANC+APPLGRID (interfaced to
  48    SANC MC) generated with the same QED PDFS (MRST2004qed),
  49    also a good agreement (up to 0.05%) for same comparison but
  50    using NNPDF2.3qed in SANC+APPLGRID (but generate with MSTW)  
  51  - an update in HERAFitter for user in data files is straightforward:
  52    an additional applgrid file has to be included (in TermSource) 
  53  - Feedback received form Michiel Botje (prior the meeting):
  54    the multiple PDF modified QCDNUM version is almost ready 
  55    and Michiel plan to finalise it in next weeks (currently 
  56    is busy with moving to CERN). Renat is planning to be at 
  57    CERN end of June so is a good time to meet up and finalise
  58    the implementation.
  59  
  60 -------------------------------------------------------------
  61 Fred Olness "Mathematica interface for LHAPDF6"
  62  - updated status presented, the package is linked to LHAPDF6 that include
  63    now also and ATLAS and HERAPDFs, some other PDFs still to come (JR, nCTEQ)
  64   - advantage of this tool is easiest of PDF manipulation and
  65     cross checks of sum rules (last currently cannot be done in 
  66     HERAFitter)
  67   - the question about inclusion of ACOT scheme in QCDNUM was
  68     discussed, the progress is slow but work is ongoing (Olek and Ben)
  69 
  70   Fred also presented US: Report of the Particle Physics Project 
  71   Prioritization Panel (P5), with the longer term plans focused on:
  72     --> Use the Higgs boson as a new tool for discovery  
  73     --> Explore the unknown: new particles, interactions, and physical 
  74     principles
  75   (the summary can be found in: http://www.usparticlephysics.org/p5/)  
  76     

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