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Calendar event : The discovery of a Higgs Boson at CERN - opening the door to a new world

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Seminar of the Institute
The discovery of a Higgs Boson at CERN - opening the door to a new world
axelmaas
Wednesday June 26, 2013 16:15:00 CEST
Wednesday June 26, 2013 17:45:00 CEST
Prof. Kobel (Uni Dresden)

Abstract:

A thorough study of the properties of the new particle,
found by the ATLAS and CMS experiments at 126 GeV in 2012
has meanwhile revealed: We indeed have found a Higgs Boson.
According to the Standard Model it would be the first member
of a so far unseen class of particles: a fundamental scalar,
i.e. a Spin 0 state, not composed of any further constituents.
If remains to be proven, if this is the really the case,
and if there might be even more such Higgs particles, as
predicted in many extensions of the Standard Model like
Supersymmetry.
But even within the Standard Model several vertices related
to the Higgs Bosons remain to be observed. One is part of
the scattering of two Vector Bosons VV->VV, where V=W,Z.
For not violating basics rules of probability ("unitarity")
this scattering requires in the Standard Model the regulating contribution
of Higgs-Boson exchange. This so far unobserved scattering process thus
constitutes a crucial test of the properties of the 126 GeV Higgs Boson,
and of the mechanism of electroweak symmetry breaking.
Tentative
Confirmed
Cancelled

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