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Tools for Dark Matter and the New Physics at the Colliders and in Astrophysics

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Summary and Aims PDF Print E-mail
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Tuesday, 25 March 2008

SloopS: a code for one-loop processes in the MSSM with applications to Collider Physics and Dark Matter

 

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The long awaited LHC will be launched in a few months. The LHC research program has traditionally centred  around the discovery of the Higgs. However, the standard model description of this particle calls for New Physics. Until a few years ago the epitome of this New Physics has been supersymmetry which when endowed with a dislhc_event.jpgcrete symmetry furnishes a good Dark Matter, DM, candidate. Recently a few alternatives have been put forward. Originally this was to solve the Higgs problem but it has been discovered that, generically, their most viable implementation (in accord with electroweak precision data, proton decay,..) fares far better if a discrete symmetry is embedded. This symmetry is also behind the existence of a possible DM candidate.  From another viewpoint, the last few years have witnessed spectacular advances in cosmology and astrophysics confirming that ordinary matter is a minute part of what constitutes the Universe at large.  At the same time as the LHindirect-general.jpgC will be gathering data, a host of non collider experiments will be carried out in search of DM (PLANCK, GLAST, AMS, HESS, Edelweiss,..) with an accuracy making cosmology enter the era of precision. The emergence of this new paradigm means it is of utmost importance to analyse and combine data from these upcoming observations with those at the LHC. This will also pave the way to search strategies for the next Linear Collider, ILC.  This crucial programme is only possible if a cross-border particle-astroparticle collaboration is set up having at its disposal common or complementary tools to conduct global searches and analyses. Moreover it is crucial to associate theorists and experimentalists from these two communities.   

Our proposal is to develop, improve,  interface and exploit such tools for the prediction and analysis of Dark Matter signals from a combination of terrestrial and non terrestrial observations, paying due attention to  astrophysical uncertainties. 
Last Updated ( Monday, 20 October 2008 )
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Team Members PDF Print E-mail
Written by Administrator   
Thursday, 27 March 2008

Image The SloopS team is a small team centered mainly at LAPTH



Last Updated ( Friday, 14 January 2011 )
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The Project PDF Print E-mail
Written by Administrator   
Tuesday, 25 March 2008

The context
This year will see the launch of the much awaited Large Hadron Collider, LHC. The main raison d'être of this major international project has been the elucidation of the mechanism of symmetry breaking and the concomitant problem of the mass of all elementary particles through the search of the elusive Higgs particle. The Higgs is the missing link in the much successful Standard Model, SM, description of high energy physics. In fact, when it comes to the sector of symmetry breaking, there are numerous theoretical arguments that hint to New Physics so that we expect a wealth of new data at the LHC. Apart from various theoretical arguments, most recent observations like the celebrated WMAP (Wilkinson Microwave Anisotropy Probe) have confirmed that ordinary matter accounts for a minute portion of what constitutes the Universe at large. There is an overwhelming dominance of Dark Energy and Dark Matter, DM. This, in itself, is New Physics. Add to this that the majority of models for the New Physics whose primary aim is a better description of the Higgs sector of the SM provide as a bonus a  candidate for DM, it is fair to say that we are witnessing the emergence of a strong cross breeding between high energy collider physics on the one hand and cosmology and astrophysics on the other to unravel the mystery of DM. It is also important to stress that at about the same time as the LHC will be gathering data, other significant experiments (PLANCK, GLAST, AMS, HESS, CDMS, Edelweiss,...) will have provided or will be providing unprecedented information on DM and hence on the New Physics.  It is therefore of utmost importance to get ready for the analyses and combination of the wealth of  data from these upcoming non-collider observations with those at the LHC. This will also pave the way to search strategies for a future international e+e- Linear Collider, ILC.  This important programme is only possible if a cross-border particle-astroparticle collaboration is set up, having at its disposal common or complementary tools to conduct global combined analyses. Moreover it is crucial to associate theorists and experimentalists from these two communities for such a project.

 

Last Updated ( Wednesday, 26 March 2008 )
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