Role of perturbation theory high-order corrections for the estimation of range fluctuations of relativistic heavy ions in matter

Evgeni E. Zhurkin; Sergey D. Bogdanov

doi:10.1117/12.417656

1 February 2001 Role of perturbation theory high-order corrections for the estimation of range fluctuations of relativistic heavy ions in matter

Evgeni E. Zhurkin, Sergey D. Bogdanov

Author Affiliations +

Proceedings Volume 4348, Fourth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2001) https://doi.org/10.1117/12.417656
Event: Fourth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 2000, St. Petersburg, Russian Federation

Abstract

The recent multifaceted studies on the electronic stopping powers and ranges of the relativistic heavy ions (with Z₁ > 50) in the matter indicate on the significant deviation of the experimental observations from the related predictions based on the first order quantum perturbation theory. Incorporation of the high-order corrections of perturbation theory into theoretical description leads to reasonable prediction both of the mean energy losses and of the mean total ranges of relativistic heavy ions. At the same time, the effect of high order corrections on the fluctuations of the heavy ion ranges is still not so clear. This work presents the recent experimental observations of the ranges and the range stragglings of relativistic heavy ions in the BR2 photoemulsion. We also performed related theoretical calculations that include the high orders corrections of perturbation theory both for the electronic stopping powers and for the energy loss straggling. The role of high order effect in an estimation of the range fluctuations is discussed.

Citation Download Citation

Evgeni E. Zhurkin and Sergey D. Bogdanov "Role of perturbation theory high-order corrections for the estimation of range fluctuations of relativistic heavy ions in matter", Proc. SPIE 4348, Fourth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (1 February 2001); https://doi.org/10.1117/12.417656

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