High-resolution radioactive beam study of the 26Al(d,p) reaction and measurements of single-particle spectroscopic factors

• Published in: The European physical journal. A, Hadrons and nuclei Vol. 56; no. 1
• Main Authors: Lotay, G., Woods, P. J., Moukaddam, M., Aliotta, M., Christian, G., Davids, B., Davinson, T., Doherty, D. T., Howell, D., Margerin, V., Ruiz, C.
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 2020; Springer Nature B.V
• Subjects: Beams (radiation); Hadrons; Heavy Ions; Letter; Mathematical models; Nuclear Fusion; Nuclear Physics; Particle and Nuclear Physics; Physics; Physics and Astronomy
• ISSN: 1434-6001; 1434-601X
• DOI: 10.1140/epja/s10050-019-00008-8

We present a detailed comparison of shell model calculations with inverse kinematic transfer reaction data, obtained using a radioactive beam. Experimentally extracted spectroscopic factors from the 26 Al ( d , p ) 27 Al reaction for both even and odd parity states are found to be exceptionally well reproduced by the shell model and a high level of consistency is observed between bound isobaric analog states in 27 Al and 27 Si , populated via ( d ,  p ) and ( d ,  n ) transfer, respectively. Furthermore, an evaluation of key resonances in the astrophysical 26 Al ( p , γ ) 27 Si reaction indicates that shell model calculations provide relatively accurate predictions for the existence of strong resonances and mirror nucleus comparisons appear to hold exceptionally well for proton-unbound levels. Consequently, we expect that the utilization of both techniques will likely be a very effective tool in the investigation of stellar processes outside the current reach of experiment.