ESR SPECTROSCOPY OF ALANINE IMPACTED BY HIGH ENERGY IRRADIATIONS FOR WIDE RANGE DOSIMETRY

被引：0

作者：

Ceponis, T. ^{[1
]}

Gaubas, E. ^{[1
]}

Venius, J. ^{[2
]}

Cicinas, A. ^{[2
]}

Callens, F. ^{[3
]}

Kusakovskij, J. ^{[3
]}

Vrielinck, H. ^{[3
]}

Mizohata, K. ^{[4
]}

Raisanen, J. ^{[4
]}

Tikkanen, P. ^{[4
]}

机构：

[1] Vilnius State Univ, Inst Appl Res, Sauletekio 9, LT-10222 Vilnius, Lithuania

[2] Natl Canc Inst, Santariskiu 1, LT-08660 Vilnius, Lithuania

[3] Univ Ghent, Dept Solid State Sci, Krijgslaan 281-S1, B-9000 Ghent, Belgium

[4] Univ Helsinki, Dept Phys, Pietari Kalmin Katu 2, FI-00014 Helsinki, Finland

来源：

LITHUANIAN JOURNAL OF PHYSICS | 2016年 / 56卷 / 01期

关键词：

ESR spectroscopy; dosimetry; alanine; RADICALS; ENDOR; ENVIRONMENT; SPECTRUM; CRYSTAL; PHOTON; EPR;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The ESR spectrometry, based on alanine dosimeters, is a standard tool for dosimetry of different type ionizing radiations. The calibrated dosimeters and ESR readers operate rather reliably in the dose range up to 200 kGy. In this study, the ESR spectrometry of stable free radicals in alanine, induced by penetrative X- and y-rays as well as neutron and stopped proton irradiations covering the dose range from a few Gy to a few MGy, has been performed in order to create the generalized calibration function for the wide range dosimetry. The simulations based on the cumulative generation of ESR active stable radicals R1, R2 and R3 enabled us to derive the generalized calibration model ascribed to the irradiation fluence from 10(10) to 2 x 10(16) particle/cm(2) normalized using 1 MeV neutron equivalent.

引用

页码：49 / 54

页数：6

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