Precision collider physics

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As the Large Hadron Collider (LHC) at CERN accumulates increasing amount of data, precise predictions become more and more important. This allows for better determination of standard-model parameters as well as as lower uncertainties and better background estimates, resulting in better potential for (direct and indirect) beyond-standard-model discoveries.

Research themes

Scattering amplitudes

IPhT is involved in the study of scattering amplitudes. Over the past decade, the field of amplitudes has been tremendously active in developing new tools to compute loop scattering amplitudes (spinor-helicity formalism, generalised unitarity, ...). The lab has contributed major achievements in the understanding of these tools and the automation of next-to-leading order (i.e. 1-loop) and is now actively involved in going to higher loop orders. This field is also connected with other more fundamental studies in conformal field theories (e.g. N=4 SUSY Yang-Mills) and graph theories.

Jet substructure

The research activities of the IPhT also cover the study of jets and their substructure, another field which has recently gained in importance at the LHC, in particular for searched for new physics. This involves the definition of new substructure tools as well as a first-principles understanding of these tools in QCD. This has deep connections with precision measurements, machine-learning techniques and measurements of the properties of the quark-gluon plasma in heavy-ion collisions.


Researchers involved

Permanent and emeritus researchers

Ruth Britto      
John-Joseph Carrasco               
Gregory Korchemski      
David Kosower      
Gregory Soyez      

 

PhD students

Paul Caucal              
Ingrid Holm        
Sebastian Pögel        

 

Postdoctoral researchers

Michele Levi      
Davide Napoletano      
Vincent Theeuwes      

 

Former staff members

       

 

Former Postdoctoral researchers

                

Former graduate students

Lais Sarem Schunk      

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Networking, collaborations & fundings

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Seminars

Our weekly seminar takes place every Tuesday at 16:00.

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Events

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Jobs

Postdoctoral positions are available each year in the Fall. Check this page or contact any staff member of the group.

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Contact

Each member of the group can be contacted via email at name.surname@ipht.fr 

The full postal adress of IPhT is: Institut de Physique Théorique,  CEA/Saclay, Bat 774 Orme des Merisiers, 91191 Gif-sur-Yvette Cedex, France.  

Here are directions to the IPhT.

 

Last update : 01/14 2019 (870)

 

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