Effective gamma-ray doses due to natural radiation from soils of southeastern Brazil

被引：2

作者：

Silveira, M. A. G. ^{[1
]}

Medina, N. H. ^{[2
]}

Moreira, R. H. ^{[1
]}

Bellini, B. S. ^{[1
]}

Aguiar, V. A. P. ^{[2
]}

机构：

[1] Ctr Univ FEI, Sao Paulo, Brazil

[2] Univ Sao Paulo, Inst Fis, Sao Paulo, Brazil

来源：

VIII LATIN AMERICAN SYMPOSIUM ON NUCLEAR PHYSICS AND APPLICATIONS | 2010年 / 1265卷

关键词：

Natural Radioactivity; radiation dose; SPECTROMETRY;

D O I：

10.1063/1.3480242

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have used gamma-ray spectrometry to study the distribution of natural radiation from soils of southeastern Brazil: Billings reservoir, Sao Bernardo do Campo Parks, Diadema Parks, Interlagos region, Sao Paulo, and soil from Sao Paulo and Rio de Janeiro beaches. In most of the regions studied we have found that the dose due the external exposure to gamma-rays, proceeding from natural terrestrial elements, are between the values 0.3 and 0.6 mSv/year, established by the United Nations Scientific Committee on the Effects of Atomic Radiation.

引用

页码：465 / +

页数：3

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