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Advances in High Energy Physics - Volume 2015 2015, Article ID 840780, 126 pages -

Review ArticleTheory Division, CERN, 1211 Geneva 23, Switzerland

Received 13 March 2015; Accepted 7 July 2015

Academic Editor: Gordon Kane

Copyright © 2015 Florian Staub. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP

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Abstract

I give an overview about the features the Mathematica package SARAH provides to study new models. In general, SARAH can handle a wide range of models beyond the MSSMcoming with additional chiral superfields, extra gauge groups, or distinctive features likeDirac gaugino masses. All of these models can be implemented in a compact form in SARAH and are easy to use: SARAH extracts all analytical properties of the given model liketwo-loop renormalization group equations, tadpole equations, mass matrices, andvertices. Also one- and two-loop corrections to tadpoles and self-energies can be obtained. For numerical calculations SARAH can be interfacedwith other tools to get the mass spectrum, to check flavour or dark matter constraints, and to test the vacuumstability or to perform collider studies. In particular, the interface to SPheno allows aprecise prediction of the Higgs mass in a given model comparable to MSSM precisionby incorporating the important two-loop corrections. I show in great detail with the example of the B-L-SSM how SARAH together with SPheno, HiggsBounds-HiggsSignals, FlavorKit, Vevacious, CalcHep, MicrOmegas, WHIZARD, and MadGraph can be used tostudy all phenomenological aspects of a model.





Autor: Florian Staub

Fuente: https://www.hindawi.com/



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