Abstract
The results of searches for nucleon charge-exchange processes in the fragmentation of carbon ions are presented. The respective experimental data were obtained by means of the FRAGM facility at the TWAC-ITEP multipurpose accelerator complex with a 300-MeV/nucleon beam incident to a thin beryllium target. The experimental setup used, which was oriented at an angle of 3.5\({}^{\circ}\) with respect to the ion beam, possessed a hodoscope system, which ensured an accuracy of 0.4\(\%\) in momentum measurements. The differential cross sections for the yields of isotopes \({}^{11}\)Be and \({}^{12}\)B produced upon single nucleon charge exchange were measured as a function of the fragment momentum. These experimental data were compared with theoretical predictions of two models of ion–ion interactions: the binary cascade (BC) model and the intranuclear cascade (INCL) model. In the above energy range, processes of nucleon charge exchange were measured for the first time.
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ACKNOWLEDGMENTS
We are grateful to the staff of the TWAC-ITEP accelerator complex and to the technical personnel of the FRAGM experiment for their valuable contribution to our measurements.
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Kulikovskaya, A.A., Abramov, B.M., Borodin, Y.A. et al. Search for Nucleon Charge-Exchange Processes in the Fragmentation of Carbon Ions at an Energy of 300 MeV per Nucleon. Phys. Atom. Nuclei 85, 466–473 (2022). https://doi.org/10.1134/S1063778822050076
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DOI: https://doi.org/10.1134/S1063778822050076