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News
- Aug 2018: Gfitter figure on front cover of European Physical Journal C!
- Mar 2018: Update of the global electroweak fit and constraints on two-Higgs-doublet models (link to publication)
- Oct 2016: Version 2.2 of the Gfitter software released, supports ROOT6 and Mac OS X
- Dec 2014: Version 2.0 of the Gfitter software released
- Jul 2014: The SM fit in NNLO
- Sep 2013: Update of SM fit with corrected Rb calculation
- June 2013: Version 1.1 of the Gfitter software available
- May 2013: Update on SM fits (including new top mass and updated theory prediction on Rb)
- Dec 2012: Gfitter figure on front cover of European Physical Journal C!
- Nov 2012: Gfitter software available online
- Sep 2012: New Gfitter publication: The Electroweak Fit of the Standard Model after the Discovery of a New Boson at the LHC (link to publication)
- May 2012: Update on SM fits (including new W mass, new theory prediction, and recent LHC Higgs exclusions)
- Aug 2011: Updates results of the SM fit using new Tevatron Higgs and top combination (EPS11)
- Jul 2011: New Gfitter publication (using first result from direct Higgs searches at LHC) (link to publication)
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Feb 2011: Gfitter figure on front cover of European Physical Journal C!
- Oct 2010: Determination of oblique parameters (STU) and fits to several new physics theories!
- July 2009: Updated results for the Two-Higgs-Doublet-Model Fit
Introduction
The generic fitting package Gfitter comprises a framework for the statistical analysis of parameter estimation problems in HEP. It is specifically designed to provide a user-friendly environment for involved fitting problems, such as the global Standard Model fit to electroweak precision data. During its development, it was found that Gfitter is also a convenient framework for averaging problems, ranging from simple weighted means using or not correlated input data, to more involved problems with common systematic errors, requiring or not parameter rescaling.
The Gfitter Group
The Gfitter group are:
- Johannes Haller (U. Hamburg, Germany)
- Andreas Hoeck, Germany)
- Klaus Mönig (DESY, Germany)
- Matthias Schott (U. Bonn, Germany)
- Jörg Stelzer (CERN, Switzerland)