Sonja Hillert (Stockholm University)
What we can learn from the distribution of things in space: Topological
methods as key to physics at TeV energies
Spatial distributions play a key role in understanding the structure of
matter. An example is the Rutherford experiment, where the distribution
of alpha particles scattered off a gold foil resulted in a new
description of the atom. For modern variations of the Rutherford
experiment . particle physics at colliders . the requirement to make
precise spatial measurements is an important criterion for the design of
new detectors.
With the LHC and the planned future e+e- linear collider TeV collision
energies become accessible. A large number of new physics models
addressing the open questions posed by the Standard Model have been
developed, and there are good reasons to believe that new physics will
become accessible at these experiments. Compared to observations at
previous colliders, experimental conditions at the LHC will be more
complex, requiring improved experimental methods. Topological analysis,
looking in detail at the structure of the final state, will be needed to
fully exploit the potential of TeV energy colliders.
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