
4 курс / Лучевая диагностика / 2__~1
.PDFТаблица П.15
Массовая тормозная способность столкновений (S/ρ)col электронов, МэВ∙см2/г [10]
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Вещество |
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Энергия, |
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Кость |
Мыш- |
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Воз- |
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Поли- |
Поли- |
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МэВ |
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(корти- |
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А-150 |
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Жир |
ца |
Вода |
дух |
этилен |
стирол |
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ковая) |
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0,10 |
4,238 |
3,678 |
4,080 |
4,115 |
3,633 |
4,150 |
4,384 |
4,034 |
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0,15 |
3,330 |
2,901 |
3,210 |
3,238 |
2,861 |
3,262 |
3,443 |
3,172 |
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0,20 |
2,871 |
2,507 |
2,769 |
2,793 |
2,470 |
2,812 |
2,967 |
2,735 |
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0,30 |
2,418 |
2,119 |
2,335 |
2,355 |
2,084 |
2,369 |
2,497 |
2,305 |
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0,40 |
2,204 |
1,931 |
2,129 |
2,148 |
1,902 |
2,156 |
2,272 |
2,101 |
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0,50 |
2,081 |
1,825 |
2,016 |
2,034 |
1,802 |
2,033 |
2,142 |
1,984 |
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0,60 |
2,005 |
1,760 |
1,945 |
1,963 |
1,743 |
1,957 |
2,061 |
1,911 |
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0,80 |
1,921 |
1,690 |
1,866 |
1,886 |
1,683 |
1,874 |
1,972 |
1,832 |
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1,00 |
1,880 |
1,658 |
1,830 |
1,849 |
1,661 |
1,834 |
1,930 |
1,794 |
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1,50 |
1,849 |
1,637 |
1,802 |
1,823 |
1,661 |
1,803 |
1,895 |
1,766 |
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2,00 |
1,850 |
1,643 |
1,804 |
1,824 |
1,684 |
1,804 |
1,895 |
1,768 |
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3,00 |
1,872 |
1,670 |
1,826 |
1,846 |
1,740 |
1,827 |
1,917 |
1,791 |
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4,00 |
1,897 |
1,697 |
1,851 |
1,870 |
1,790 |
1,852 |
1,942 |
1,816 |
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5,00 |
1,920 |
1,720 |
1,873 |
1,872 |
1,833 |
1,874 |
1,965 |
1,839 |
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6,00 |
1,939 |
1,740 |
1,892 |
1,911 |
1,870 |
1,894 |
1,984 |
1,859 |
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8,00 |
1,972 |
1,773 |
1,924 |
1,943 |
1,931 |
1,926 |
2,017 |
1,891 |
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10,00 |
1,997 |
1,799 |
1,949 |
1,968 |
1,979 |
1,951 |
2,042 |
1,916 |
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15,00 |
2,042 |
1,844 |
1,995 |
2,014 |
2,062 |
1,995 |
2,087 |
1,960 |
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20,00 |
2,073 |
1,874 |
2,026 |
2,046 |
2,134 |
2,024 |
2,117 |
1,989 |
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30,00 |
2,113 |
1,915 |
2,068 |
2,089 |
2,226 |
2,063 |
2,157 |
2,027 |
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40,00 |
2,141 |
1,942 |
2,097 |
2,118 |
2,282 |
2,089 |
2,184 |
2,053 |
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589

Таблица П.16
Массовая радиационная тормозная способность (S/ρ)rad электронов, МэВ∙см2/г, и радиационная длина X0, г∙см-2 [10]
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Вещество |
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Энергия, |
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Жир |
Кость (кор- |
Мышца |
Вода |
Воздух |
Поли- |
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МэВ |
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тиковая) |
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стирол |
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0,10 |
3,452-3* |
6,356-3 |
4,150-3 |
4,228-3 |
4,222-3 |
3,244-3 |
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0,15 |
3,681-3 |
6,719-3 |
4,412-3 |
4,494-3 |
4,485-3 |
3,463-3 |
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0,20 |
3,943-3 |
7,140-3 |
4714-3 |
4,801-3 |
4,789-3 |
3,711-3 |
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0,30 |
4,547-3 |
8,129-3 |
5,415-3 |
5,514-3 |
5,495-3 |
4,284-3 |
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0,40 |
5,244-3 |
9,276-3 |
6,626-3 |
6,339-3 |
6,311-3 |
4,945-3 |
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0,50 |
6,020-3 |
1,055-2 |
7,129-3 |
7,257-3 |
7,223-3 |
5,680-3 |
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0,60 |
6,860-3 |
1,194-2 |
8,108-3 |
8,254-3 |
8,210-3 |
6,475-3 |
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0,80 |
8,692-3 |
1,495-2 |
1,024-2 |
1,043-2 |
1,036-2 |
8,212-3 |
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1,00 |
1,070-2 |
1,824-2 |
1,257-2 |
1,280-2 |
1,271-2 |
1,011-2 |
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1,50 |
1,629-2 |
2,740-2 |
1,908-2 |
1,942-2 |
1,927-2 |
1,541-2 |
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2,00 |
2,522-2 |
3,755-2 |
2,362-2 |
2,678-2 |
2,656-2 |
2,132-2 |
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3,00 |
3,626-2 |
5,981-2 |
4,225-2 |
4,299-2 |
4,260-2 |
3,435-2 |
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4,00 |
5,120-2 |
8,386-2 |
5,954-2 |
6,058-2 |
5,999-2 |
4,452-2 |
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5,00 |
6,701-2 |
1,092-1 |
7,782-2 |
7,917-2 |
7,838-2 |
6,353-2 |
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6,00 |
8,350-2 |
1,355-1 |
9,686-2 |
9,854-2 |
9,754-2 |
7,919-2 |
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8,00 |
1,181-1 |
1,904-1 |
1,367-1 |
1,391-1 |
1,376-1 |
1,120-1 |
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10,00 |
1,542-1 |
2,476-1 |
1,784-1 |
1,814-1 |
1,795-1 |
1,464-1 |
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15,00 |
2,492-1 |
3,971-1 |
2,877-1 |
2,926-1 |
2,895-1 |
2,367-1 |
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20,00 |
3,485-1 |
5,525-1 |
4,018-1 |
4,086-1 |
4,042-1 |
3,311-1 |
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30,00 |
5,544-1 |
8,735-1 |
6,381-1 |
6,489-1 |
6,417-1 |
5,270-1 |
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40,00 |
7,661-1 |
1,202-0 |
8,807-1 |
8,955-1 |
8,555-1 |
7,284-1 |
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X0 |
4,176+1 |
2,657+1 |
3,671+1 |
3,608+1 |
3,661+1 |
4,379+1 |
3,452-3* – следует читать как 3,452 10-3
590