Riccardo Rattazzi

CERN, Geneva, Switzerland

Riccardo Rattazzi (middle)
Riccardo Rattazzi (middle)

Date

14 November 2007

Title

Physics Across the Energy Frontier

Abstract

Besides the four well known  fundamental forces (gravity, electromagnetism, the weak interaction and the strong one) additional  dynamics must exist in nature. This is because these four forces cannot explain the phenomenon of electroweak symmetry breaking.  The Large Hadron Collider (LHC), which is about to start operations in 2008, will study proton-proton collisions precisely in the energy range of this phenomenon, thus directly exploring its nature for the first time. This program, per se, motivates the building of the LHC. However there are well motivated  reasons to think that the LHC  could even go as far as shedding light on the nature of dark matter,  on the unity of all forces or even revolutionize our view of space-time itself. I will illustrate these theoretical  ideas experimental signatures at the LHC.  

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