Using the advanced GALILEO Array system coupled to the 4Ï€ Si-ball EUCLIDES, the researchers performed an in-depth spectroscopic analysis to track and identify the reactions. The gamma-gamma coincidence method was key in isolating specific reaction channels, allowing the team to pinpoint the behavior of nuclei under various conditions with high precision. (https://doi.org/10.1007/s41365-024-01462-w). Credit: Zhang, Gaolong
Scientists have made significant progress in understanding neutron transport in weakly bound nuclei. An experiment conducted at the Legnaro National Laboratory focused on the process of stripping one neutron in reactions involving lithium-6 and bismuth-209. The work is published in a journal Nuclear Science and Technology.
Joint research efforts have shown that the single-neutron stripping process yields results comparable to those of complete fusion reactions, especially in energy regions close to the nuclear barriers. Contrary to previous expectations, the results indicate that single-neutron transfer plays a dominant role at lower energies that exceed the performance of fusion reactions.
This research builds on decades of research into how weakly bound nuclei like lithium-6 interact with heavier nuclei. Lithium-6 is known for its fine structure, which makes it susceptible to decay and involvement in complex reaction pathways. The study confirmed that even as the energy drops, the impact of these reactions remains significant and provides new data on how nuclear interactions occur under different conditions.
Using the advanced GALILEO Array system coupled to the 4Ï€ Si-ball EUCLIDES, the researchers performed an in-depth spectroscopic analysis to track and identify the reactions. The gamma-gamma coincidence method was key in isolating specific reaction channels, allowing the team to pinpoint the behavior of nuclei under various conditions with high precision.
The research group collaborates with international research institutes such as Sun Yat-sen University, Shenzhen University, Universita di padova and Universidade Federal do Rio de Janeiro. The Advanced Gamma Ray Detection Array and the Charged Particle Detection Array have been conducted to investigate nuclear reactions and nuclear structures involving stable weakly bound nuclei at major scientific facilities such as the Legnaro National Laboratory (LNL) in Italy and the Chinese Institute of Atomic Energy, promoting the development of relevant theoretical models as well as rapid improvements in experimental techniques and measurements. (https://doi.org/10.1007/s41365-024-01462-w). Credit: Zhang, Gaolong
Advanced nuclear application strategies
“By better understanding the behavior of nuclei under these conditions, we can improve our approaches to nuclear power generation and radiation therapy,” said J. Lubian, corresponding author of the study. This research opens the way to potential applications in medical physics and energy research, where precise knowledge of nuclear processes is crucial.
The single neutron removal process underscores the complex and nuanced nature of nuclear reactions and provides a springboard for future scientific breakthroughs in nuclear science and technology.
More information:
Gao-Long Zhang et al., Single Neutron Stripping Process in 209Bi(6If, 5If)210Bi* reaction reaction, Nuclear Science and Technology (2024). DOI: 10.1007/s41365-024-01462-w
Provided by Nuclear Science and Techniques
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