2026 CAP Congress / Congrès de l'ACP 2026

Session

(DNP) T2-6 Nuclear Theory | Théorie nucléaire (DNP)

T2-6

23 Jun 2026, 14:15

U. Ottawa - Learning Crossroads (CRX) Building

827. Nucleosynthesis for the lightest and the heaviest elements

Tsung-Han Yeh

23/06/2026, 14:15

Nuclear Physics / Physique nucléaire (DNP-DPN)

Invited Speaker / Conférencier(ère) invité(e)

The lightest elements in the universe, such as most helium and some lithium, were forged within the first twenty minutes after the Big Bang through Big Bang Nucleosynthesis (BBN). The theory of BBN features a remarkably small core reaction network of a dozen key nuclear reactions. This theoretical simplicity, combined with precision reaction data from nuclear experiments and cosmological...

491. Emulators for nuclear physics: from microscopic forces to many-body systems

Ryan Curry (University of Guelph)

23/06/2026, 14:45

Nuclear Physics / Physique nucléaire (DNP-DPN)

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

In recent years, there has been a concentrated effort to improve our understanding of the uncertainties that are inherent to solving the nuclear many-body problem. This work focuses on the implementation of emulators for both few- and many-body nuclear physics problems in order to properly handle these uncertainties. We explore and compare two different emulators for solutions of the...

911. A Coincidence Algebra bundle for Decay Quivers: An Algebraic Approach to Gamma-ray Spectroscopy

Liam Schmidt (University of Guelph)

23/06/2026, 15:00

Nuclear Physics / Physique nucléaire (DNP-DPN)

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

Motivated by the need for a more comprehensive algebraic structure to calculate coincidence probabilities of a general decay scheme for gamma ray spectroscopy, we model the decay scheme, rather naturally, as a quiver through which we define a decay quiver. The path algebra of quivers is the underlying, more general, algebra for transition matrices that is typically used in modelling decay...

851. Ab Initio Nuclear Theory for Neutrinoless Double-Beta Decay

Alex Todd (McGill University)

23/06/2026, 15:15

Nuclear Physics / Physique nucléaire (DNP-DPN)

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

The search for neutrinoless double-beta decay ($0\nu\beta\beta$) is among the most promising probes of physics beyond the Standard Model. Its observation would establish lepton-number violation, confirm the Majorana nature of neutrinos, and probe the absolute neutrino mass scale. As upcoming experiments aim to extend half-life sensitivities by up to two orders of magnitude, reliable nuclear...

496. Higher order electroweak radiative corrections in parity violating asymmetry using covariant approach

Dr Mahumm Ghaffar (Memorial University of Newfoundland)

23/06/2026, 15:30

Nuclear Physics / Physique nucléaire (DNP-DPN)

Oral (Non-Student) / Orale (non-étudiant(e))

We perform detailed calculations of electroweak radiative corrections to parity violating lepton scattering with a proton target up to quadratic and reducible two-loop level using a covariant approach. Our numerical results are presented at energies relevant for a variety of existing and proposed experimental programs such as Qweak, P2, MOLLER, MUSE, and experiments at the EIC. Analysis shows...