Accurate simultaneous lead stopping power and charge-state measurements in gases and solids : Benchmark data for basic atomic theory and nuclear applications
Ishikawa, S., Geissel, H., Purushothaman, S., Weick, H., Haettner, E., Iwasa, N., Scheidenberger, C., Sørensen, A.H., Tanaka, Y.K., Abel, T., Äystö, J., Bagchi, S., Dickel, T., Drozd, V., Franczak, B., Greiner, F., Harakeh, M.N., Kalantar-Nayestanaki, N., Kindler, B., . . . Zhao, J. (2023). Accurate simultaneous lead stopping power and charge-state measurements in gases and solids : Benchmark data for basic atomic theory and nuclear applications. Physics Letters B, 846, Article 138220. https://doi.org/10.1016/j.physletb.2023.138220
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Physics Letters BAuthors
Abel, T. |
Date
2023Copyright
© 2023 the Authors
We have measured for the first time simultaneously both the mean charge states and stopping powers of (35-280) MeV/u 208Pb ions in gases and solids with an accuracy of 1%. The existence at lower energies and disappearance at higher of density effects in the charge-state distribution and the corresponding stopping power is directly confirmed and comparisons with widely used theories and simulations for heavy ions demonstrate strong deviations of up to 27%. However, an unprecedented prediction power of better than 3% has been achieved for the energy loss when the measured mean charge-states are implemented in the Lindhard-Sørensen theory. Our present benchmark data contribute to an improved understanding of the basic atomic collision processes and to numerous applications in nuclear physics. Extending the GANIL data [1] to higher accuracy and energies, we can now answer at which velocities the Bohr-Lindhard density effect in stopping will vanish.
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ElsevierISSN Search the Publication Forum
0370-2693Keywords
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https://converis.jyu.fi/converis/portal/detail/Publication/193411474
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This work was supported by the international project “PMW” of the Polish Minister of Science and Higher Education; active in the period 2022-2024; grant Nr 5237/GSIFAIR/2022/0.License
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