Nonadditivity effects during the passage of protons through multilayer targets

Novikov, N.V.; Chechenin, N.G.; Shirokova, A.A.

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 марта 2022 г.

Авторы: Novikov N.V., Chechenin N.G., Shirokova A.A.
Журнал: Radiation Effects and Defects in Solids
Том: 176
Год издания: 2021
Издательство: Taylor & Francis
Местоположение издательства: United Kingdom
Первая страница: 1107
Последняя страница: 1115
Номер статьи: 11-12
DOI: 10.1080/10420150.2021.2007915
Аннотация: A theoretical approach is proposed for describing the effect of thenumber and sequence of surface layers of different compositions onthe distribution of radiation defects over the depth of the screenedmaterial. It is shown that the energy losses of fast protons penetratingthrough the tungsten-carbon media depend not only onthe thickness and chemical composition of the media but also onthe sequence and the number of the layers. Results of calculationsusing GEANT4 and SRIM programs agree well with each other andshow that proton loses a larger amount of energy during the passagethrough the bilayer W/C target than through the C/W one. Anincrease in the number of layers leads to a decrease in the influenceof the target structure on the distribution of the absorbed energy.This effect is explained by the difference in the stopping powers of neighboring layers.
Добавил в систему: Широкова Алла Анатольевна

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Nonadditivity effects during the passage of protons through multilayer targetsстатья

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