26th Australian Institute of Physics Congress and the Australian and New Zealand Conference on Optics and Photonics

Session

AIP NUPP: Nuclear & Particle Physics Theory

NUPP

7 Dec 2026, 15:45

Belinda Hutchinson Building (The University of Sydney )

Conveners

AIP NUPP: Nuclear & Particle Physics Theory

• Cedric Simenel

296. From quarks to atomic nuclei and neutron stars

Anthony Thomas

07/12/2026, 15:45

AIP | Nuclear and Particle Physics (NUPP)

Contributed Oral

Starting at the quark level it has proven possible to build a remarkably accurate description of even-even nuclei across the periodic table, with very few parameters compared with other approaches, starting at the quark level. We will present recent results on the structure of superheavy nuclei as well as results of the extension of the model to neutron stars. The latter may include the...

699. A wave packet time-correlation approach to nuclear collisions: Towards improved fusion modelling

Aditya Singh Tejas (Australian National University)

07/12/2026, 16:00

AIP | Nuclear and Particle Physics (NUPP)

Contributed Oral

Theoretical descriptions of heavy-ion nuclear fusion remain largely phenomenological, often exploiting complex-valued potentials to absorb flux and associating the deficit in the norm of outgoing waves with fusion observables. This makes it challenging to simultaneously and consistently describe related reaction outcomes, such as exchange of nucleons at large distances prevalent in super-heavy...

120. Long-range dispersion parity violation and Its impact on atomic weak charges

Igor Samsonov (UNSW)

07/12/2026, 16:15

AIP | Nuclear and Particle Physics (NUPP)

Contributed Oral

Exchange of two neutrinos and other light fermions generates a parity-violating dispersion interaction between electrons and quarks. Although the long-range part of this interaction scales as $G_F/r^5$, its highly singular short-distance behaviour produces a correction of order $G_F^2 M_Z^2\sim \alpha G_F$, comparable to standard electroweak radiative corrections. This makes the effect...

324. Exploring non-perturbative fermion-photon interactions through the Schwinger-Dyson approach.

Connor Carrington (Adelaide University)

07/12/2026, 16:30

AIP | Nuclear and Particle Physics (NUPP)

Contributed Oral

In order to explore key problems in particle physics such as hadron spectroscopy, confinement and dynamical mass generation, we require a non-perturbative approach to describing our particle interactions. In quantum field theory, this is tantamount to understanding the full non-perturbative structure of the fermion and photon propagators, which in turn requires knowledge of the fermion-photon...

25. Topological origin of fermion composite condensates and emergent particle states in the Standard Model, General Relativity and Weyl semimetals

Prof. Archil Kobakhidze

07/12/2026, 16:45

AIP | Nuclear and Particle Physics (NUPP)

Contributed Oral

I will discuss a generic, intrinsically topological phenomenon that arises in systems supporting transitions between distinct topological states, together with the corresponding fermionic zero modes. In particular, I will argue for the formation of a condensate of composite fermion operators that spontaneously breaks an anomalous symmetry. The phase of the condensate gives rise to a...

799. Symmetries and Amplitudes in the Randall-Sundrum Model

Joshua Gill

07/12/2026, 17:00

AIP | Nuclear and Particle Physics (NUPP)

Contributed Oral

General Relativity (GR) is the classical interpretation of gravitational interaction. Equivalently, GR can be represented as an effective field theory (EFT) of the non-trivial self-interacting theory of a massless spin-2 particle. The Planck mass sets the high-energy cutoff, which is where we expect to see the effects of quantum gravity. Various modifications to gravity significantly lower the...