Investigating the astrophysical 22Ne(p, γ)23Na and 22Mg(p, γ)23Al reactions with a multi-channel scattering formalism
1 Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Padova I-35131, Italia
2 School of Physics, University of Melbourne, Victoria 3010, Australia
3 Department of Physics, University of Johannesburg, P.O. Box 524 Auckland Park, 2006, South Africa
4 Department of Physics and Astronomy, University of Manitoba, and Winnipeg Institute for Theoretical Physics, Winnipeg, Manitoba, Canada R3T 2N2
a e-mail: firstname.lastname@example.org
Published online: 20 March 2014
The reaction 22Ne(p, γ)23Na is key to the NeNa cycle of stellar nucleogenesis, and better understanding of the 22Mg(p, γ)23Al reaction is needed to understand the 22Na puzzle in ONe white dwarf novae. We aim to study these reactions using a multi-channel algebraic scattering (MCAS) formalism for low-energy nucleon-nucleus scattering, recently expanded to investigate radiative capture. As a first step towards this goal, we here calculate the energy levels of the mass-23 (Ne, Mg, Na, Al) nuclei. This is not only because the resonant structure of these nuclei are related to the astrophysical -rates of interest, but also because the interaction parameters determined for describing the energy levels are an integral part of the future calculation of the astrophysical reactions when using the MCAS scheme.
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