LHC Seminar: Unveiling the Mystery of Mass

Christoph Paus

(Massachusetts Institute of Technology, USA)

Sala P9, IST, Edifício Matemática
Wednesday, October 19th, 2011 at 03:00 PM


One of the prime reasons the Large Hadron Collider (LHC) was build is to resolve the question how particles acquire their mass. While it is very simple to measure particle masses and we have a model -- the Standard Model of Particle Physics -- which explains quite accurately all presently available measurements the seemingly trivial mechanism of how particle acquire their mass remains a mystery. The Standard Model invokes a new field, the Higgs field, to resolve this mystery but we have so far not been able to find experimental evidence for its existence. The LHC will soon resolve this mystery or.... we have to seriously reconsider the Standard Model. I will review what the available data and the Standard Model itself tell us about the Higgs boson and show the present status of the searches at LHC and my expectations.

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