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Models of Hadrons & Hadronic Interactions

While lattice QCD provides by far the best approach to the direct, numerical evaluation of hadronic properties.

In parallel with these lattice calculations, there are important reasons for developing transparent models which can be used to aid the interpretation of lattice results, analyse experimental data and suggest new experiments.

Ideally these models should incorporate, as far as possible, the known properties of QCD, including its symmetries.  The model of Nambu and Jona-Lasinio (NJL), for example, provides a covariant framework which respects the chiral properties of QCD while allowing near analytic solutions for many problems.

We are especially interested in using models such as NJL, or even the MIT bag, to calculate hadron properties, to calculate reactions involving hadrons and to build quark models of atomic nuclei.

Of particular topical interest, in the light of major experimental programs around the world, is the calculation of parton distribution functions (of nucleons, hyperons and nuclei), fragmentation functions, generalised parton distributions and novel phenomena such as the Collins and Sivers effects which promise insight into the orbital angular momentum of quarks within hadrons.

Theoretical physics research activities cover a broad range of topics and are primarily carried out under the umbrella of the ARC Centre for the Subatomic Structure of Matter (CSSM).

Tagged in Honours projects - Physics, Honours Projects - Hrayr Matevosyan, Honours Projects - Anthony Thomas, Honours Projects - James Zanotti, Honours in Physics subtheme - Theoretical

Competition: Young Scientist of the Year

How do we feed the world’s growing population? How do we save our wildlife from extinction? Got an idea that will build a brighter, greener world?

Australian high school students are invited to submit a short video about one of Australia’s big science challenges.

Video competition