Abstract
Modern rare isotope beam (RIB) factories will significantly enhance the production of extremely rare isotopes (ERI) at or near drip lines. As one of the most important methods employed in RIB factories, the production of ERIs in projectile fragmentation reactions should be theoretically improved to provide better guidance for experimental research. The cross-sections of ERIs produced in 140 MeV/u \(^{78,86}\)Kr/\(^{58,64}\)Ni/\(^{40,48}\)Ca + \(^{9}\)Be projectile fragmentation reactions were predicted using the newly proposed models [i.e., Bayesian neural network (BNN), BNN + FRACS, and FRACS, see Chin. Phys. C, 46: 074104 (2022)] and the frequently used EPAX3 model. With a minimum cross-section of \(10^{-15}\) mb, the possibilities of ERIs discovery in a new facility for rare isotope beams (FRIB) are discussed.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Xiao-Bao Wei and Chun-Wang Ma. The first draft of the manuscript was written by Xiao-Bao Wei, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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This work was supported by the National Natural Science Foundation of China (No. 11975091) and the Program for Innovative Research Team (in Science and Technology) in University of Henan Province, China (No. 21IRTSTHN011).
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Wei, XB., Wei, HL., Wang, YT. et al. Multiple-models predictions for drip line nuclides in projectile fragmentation of \(^{40,48}\)Ca, \(^{58,64}\)Ni, and \(^{78,86}\)Kr at 140 MeV/u. NUCL SCI TECH 33, 155 (2022). https://doi.org/10.1007/s41365-022-01137-4
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DOI: https://doi.org/10.1007/s41365-022-01137-4