Heating factors of gas targets for radioactive ion beam production

  • N. N. Duy
  • K. Y. ChaeEmail author
  • Vinh N. T. Pham
  • T. V. Nhan Hao


At low-energy nuclear physics facilities, the in-flight fragmentation method is often employed to produce radioactive ion beams. This technique often involves a stable ion beam at high intensity and a gas cell target. Since the parameters for the production reaction are usually chosen to take advantage of a large cross section of the resonance reaction, a slight change in the center-of-mass energy due to the reduced target density may significantly affect the rare isotope production rate. Therefore, to estimate the heating effect due to beam particles on the target thickness, a new and more comprehensive semi-empirical model is developed by employing a heating factor function. The estimated heating factors were consistent with experimental data, which were obtained from various reaction measurements at wide ranges of heat densities.


Heating factor Radioactive ion beam production In-flight method Intense beam Target density reduction Gas target 



This work was supported by a National Research Foundation of Korea (NRF) Grant funded by the Korean Government (MEST) (Nos. NRF2017R1D1A1B03030019, NRF2018M7A1A1072274, and NRF2016R1A5A1013277). This work was also supported by LG Yonam Foundation (of Korea).


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© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Department of PhysicsSungkyunkwan UniversitySuwonSouth Korea
  2. 2.Department of PhysicsHo Chi Minh City University of EducationHo Chi Minh CityVietnam
  3. 3.Center for Research and DevelopmentDuy Tan UniversityDanangVietnam
  4. 4.Center for Theoretical and Computational PhysicsUniversity of Education, Hue UniversityHue CityVietnam

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