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The Origin of the Mass of the Visible Universe

Event Details

Event Dates: 

Wednesday, September 24, 2014 - 4:00pm

Seminar Location: 

  • Duane Physics Room G1B20

Speaker Name(s): 

Zoltán Fodor

Speaker Affiliation(s): 

Eötvös Loránd University
Seminar Type/Subject

Scientific Seminar Type: 

  • Physics Department Colloquium

Event Details & Abstract: 

More than 99% of the mass of the visible universe is made up of protons and neutrons. Both particles are much heavier than their quark and gluon constituents, and the Standard Model of particle physics should explain this difference. A full ab initio calculation of these masses is carried out. To that end one uses the basic equations of the strong interactions on the lattice. Even the tiny mass difference between the neutrons and protons can be determined. The results completely agree with experimental observations. The generation of this hadronic mass is related to a transition in the early universe, which is also discussed.

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