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Production of p-rich nuclei with \(\boldsymbol{Z}\boldsymbol{=20-25}\) based on radioactive ion beams

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Abstract

Within the framework of isospin-dependent Boltzmann-Langevin model, the production cross sections of proton-rich nuclei with \(Z = 20-25\) are investigated. According to the reaction results for different isospin of projectiles \(^{48}\)Ni, \(^{49}\)Ni, and \(^{50}\)Ni, proton-rich fragments tend to be more easily produced in reactions with the proton-rich projectile \(^{48}\)Ni. The production cross sections of the unknown nuclei in the vicinity of the projectile are sensitive to incident energy. It is observed that incident energy of 345 MeV/u is appropriate for producing proton-rich nuclei with \(Z = 20-25\). In projectile fragmentation reactions based on the radioactive ion beam of \(^{48}\)Ni at 345 MeV/u, several unknown proton-rich nuclei near the proton drip line are generated in the simulations. All these new nuclei are near-projectile elements near \(Z = 28\). The production cross sections of the new nuclei \(^{34}\)Ca, \(^{37,38}\)Sc, \(^{38}\)Ti, \(^{40,41,42}\)V, \(^{40,41}\)Cr, and \(^{42,43,44,45}\)Mn are in the range of 10\(^{-2}\)–10\(^{2}\) mb. Hence, projectile fragmentation of radioactive ion beams of Ni is a potential method for generating new proton-rich nuclei with \(Z = 20-25\).

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Authors and Affiliations

  1. Key Laboratory of Beam Technology of the Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing, 100875, China

    Bing Li, Na Tang, Yu-Hai Zhang & Feng-Shou Zhang

  2. Institute of Radiation Technology, Beijing Academy of Science and Technology, Beijing, 100875, China

    Bing Li, Na Tang, Yu-Hai Zhang & Feng-Shou Zhang

  3. Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou, 730000, China

    Feng-Shou Zhang

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  1. Bing Li
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  2. Na Tang
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  3. Yu-Hai Zhang
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  4. Feng-Shou Zhang
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Correspondence to Feng-Shou Zhang.

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This work was Supported by the National Natural Science Foundation of China (No. 12135004, No. 11635003 and No. 11961141004).

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Li, B., Tang, N., Zhang, YH. et al. Production of p-rich nuclei with \(\boldsymbol{Z}\boldsymbol{=20-25}\) based on radioactive ion beams. NUCL SCI TECH 33, 55 (2022). https://doi.org/10.1007/s41365-022-01048-4

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  • DOI: https://doi.org/10.1007/s41365-022-01048-4

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