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[PAST EVENT] Physics Colloquium - Constantinou
February 18, 2016
4pm - 5pm
Abstract:
Quantum Chromodynamics (QCD) is the theory of the strong interactions that binds quarks and gluons to form the nucleons, the fundamental constituents of visible matter. Understanding the structure of the nucleon from first principles is a milestone of hadron physics and numerous experiments have been devoted to its study. Lattice QCD is a powerful approach for the ab initio calculation of the properties of hadrons and their interactions.
Over the last five years, lattice QCD has made significant progress yielding results that can be compared to experimental measurements with controlled systematics. We will review recent progress of lattice QCD results with emphasis on nucleon structure and, in particular, addressing questions, such as: What is the size of a proton and What contributes to the spin of ptoyon? The quark content of the nucleon is also discussed, as an important quantity related to the explicit chiral symmetry breaking in QCD, as well as, entering the interpretation of experimental searches for dark matter.
Quantum Chromodynamics (QCD) is the theory of the strong interactions that binds quarks and gluons to form the nucleons, the fundamental constituents of visible matter. Understanding the structure of the nucleon from first principles is a milestone of hadron physics and numerous experiments have been devoted to its study. Lattice QCD is a powerful approach for the ab initio calculation of the properties of hadrons and their interactions.
Over the last five years, lattice QCD has made significant progress yielding results that can be compared to experimental measurements with controlled systematics. We will review recent progress of lattice QCD results with emphasis on nucleon structure and, in particular, addressing questions, such as: What is the size of a proton and What contributes to the spin of ptoyon? The quark content of the nucleon is also discussed, as an important quantity related to the explicit chiral symmetry breaking in QCD, as well as, entering the interpretation of experimental searches for dark matter.