1 ========== minutes of HERAFitter User's meeting 19.11.2013 ============= 2 Status: 3 -recent conferences where HERAFitter was presented: "QCD Tools for LHC", 4 PRC at DESY (open and closed sessions), future events: Helmholtz Alliance 5 "Physics at terascale" (Karlsruhe), HEP at the LHC era 2013, Chile. 6 -preparation for stable release: many improvements for data to theory quantitative 7 comparisons, treatment of experimental uncertainties, drawing tools with 8 additional possibility to draw pulls, updated to uPDFs, fit lead PDFs. 9 Latest development added to the release (stable release is planned to come out 10 in few weeks, i.e. December) is improved interface to Applgrid with "expresion" 11 to parse math expressions for cross sections (e.g. asymmetry, ratio), binFlag to 12 exclude particular bins and CKM flat to read CKM values from grid OR HERAFitter. 13 14 several developments to be implemented in the near future, main being QED+QCD PDFs. 15 -longer term plans include improvements in ACOT scheme, theory predictions for the 16 differential ttbar cross sections, intrinsic charm, etc. 17 18 -doodle for next User's meeting in December: http:doodle.com/bknmnbbvx2ye825b 19 20 - users's response: Fred team working on updating/interfacing LHAPDF-6 to their 21 nuclear PDF code, sometihing possibly could be shared/used in HERAFitter code. 22 Another suggestion for applgrid interface: for binFlag which currently used to 23 exclude bins, to have possibility to keep a bin but not use in the fit (could be 24 by setting binFlag=2 for example) 25 26 27 --->>> APFEL presentation by Stefano Carrazza: 28 new release available: improvements to theory, FFNS and VFNS now possible, 29 LHAPDF input/output, build-in multi computation, updated website with more 30 information. 31 New GUI for: plotting PDFs, APFEL and LHAPDF evolution tuning, computation 32 of lumi, access of different functionalities of APFEL. 33 For APFEL 2.0.0 version planned observables using FNOL-A/B/C, improve 34 GUI for PDF manipulation (comparison, etc...), easy switch between APFEL and 35 LHAPDF evolution, PDF luminositied can be plotted. v2.0.0 planned in Dec. 36 Other developments like hadronic processes will be added later. 37 38 Mandy's comment: since online Durham web tool provides similar functionality, 39 APFEL GUI tool maybe could replace it since it has more options (advantage 40 would be inclusion of QED PDFs since APFEL GUI can take online their own evolution). 41 Voica: possible to interface to HERAFitter?- possible via LHAPDF interface 42 for example. APFEL package works on unix platform.
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