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Measuring Supersymmetry
Univ Savoie, LAPP, CNTS IN2P3, Annecy Le Vieux, France.
2008 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 54, no 4, 617-644 p.Article, review/survey (Refereed) Published
Abstract [en]

If new physics is found at the LHC (and the ILC) the reconstruction of the underlying theory should not be biased by assumptions about high-scale models. For the mapping of many measurements onto high-dimensional parameter spaces we introduce SFitter with its new weighted Markov chain technique. SFitter constructs an exclusive likelihood map, determines the best-fitting parameter point and produces a ranked list of the most likely parameter points. Using the example of the TeV-scale supersymmetric Lagrangian we show how a high-dimensional likelihood map will generally include degeneracies and strong correlations. SFitter allows us to study such model-parameter spaces employing Bayesian as well as frequentist constructions. We illustrate in detail how it should be possible to analyze high-dimensional new-physics parameter spaces like the TeV-scale MSSM at the LHC. A combination of LHC and ILC measurements might well be able to completely cover highly complex TeV-scale parameter spaces.

Place, publisher, year, edition, pages
2008. Vol. 54, no 4, 617-644 p.
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-85309DOI: 10.1140/epjc/s10052-008-0548-zISI: 000255415200009OAI: diva2:499757
QC 20120215Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-02-15Bibliographically approved

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Lafaye, Remi
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