Nuclear track detectors for environmental studies and radiation monitoring

被引：19

作者：

Manzoor, S. ^{[1
,2
,3
]}

Balestra, S. ^{[1
]}

Cozzi, M. ^{[1
]}

Errico, M. ^{[1
]}

Giacomelli, G. ^{[1
]}

Giorgini, M. ^{[1
]}

Kumar, A. ^{[1
]}

Margiotta, A. ^{[1
]}

Medinaceli, E. ^{[1
]}

Patrizii, L. ^{[1
]}

Popa, V.

Qureshi, I. E. ^{[2
,3
]}

Togo, V. ^{[1
]}

机构：

[1] Univ Bologna, Dept Phys, Ist Nazl Fis Nucl, Sezione Bologna, I-40127 Bologna, Italy

[2] PINSTECH, PRD, Islamabad, Pakistan

[3] COMSATS Inst Informat Technol, Islamabad, Pakistan

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2007年 / 172卷

关键词：

D O I：

10.1016/j.nuclphysbps.2007.07.017

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Several improvements were made for Nuclear Track Detectors (NTDs) used for environmental studies and for particle searches. A new method was used to determine the bulk etch rate of CR39 and Makrofol NTDs. It is based on the simultaneous measurement of the diameter and of the height of etch-pit cones caused by relativistic heavy ions (158 A GeV Pb82+ and In49+ ions) and their fragments. The use of alcohol in the etching solution improves the surface quality of NTDs and it raises their thresholds. The detectors were used for the determination of nuclear fragmentation cross sections of Iron and Silicon ions of 1.0 and 0.41 GeV/nucleon. These measurements are important for the determination of doses in hadrontherapy and for doses received by astronauts. The detectors were also used in the search of massive particles in the cosmic radiation, for the determination of the mass spectrum of cosmic rays and for the evaluation of Po-210 alpha-decay and of natural radon concentrations.

引用

页码：92 / 96

页数：5

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