A1 Journal article (refereed)
Accurate simultaneous lead stopping power and charge-state measurements in gases and solids : Benchmark data for basic atomic theory and nuclear applications (2023)

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

JYU authors or editors

Publication details

All authors or editors: Ishikawa, S.; Geissel, H.; Purushothaman, S.; Weick, H.; Haettner, E.; Iwasa, N.; Scheidenberger, C.; Sørensen, A.H.; Tanaka, Y.K.; Abel, T.; et al.

Journal or series: Physics Letters B

ISSN: 0370-2693

eISSN: 1873-2445

Publication year: 2023

Publication date: 04/10/2023

Volume: 846

Article number: 138220

Publisher: Elsevier

Publication country: Netherlands

Publication language: English

DOI: https://doi.org/10.1016/j.physletb.2023.138220

Publication open access: Openly available

Publication channel open access: Open Access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/90766

Abstract

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.

Keywords: ions; lead; particle accelerators; nuclear physics; particle physics

Free keywords: heavy ion; stopping power; mean charge state; Bohr-Lindhard density effect

Contributing organizations

Ministry reporting: Yes

VIRTA submission year: 2023

Preliminary JUFO rating: 3