Neutron dose measurements with the GSI ball at high-energy accelerators

被引：12

作者：

Fehrenbacher, G. ^{[1
]}

Gutermuth, F. ^{[1
]}

Kozlova, E. ^{[1
,2
]}

Radon, T. ^{[1
]}

Schuetz, R.

机构：

[1] Gesellschaft Schwerionenforschung, D-64291 Darmstadt, Germany

[2] Int Univ Nature Soc & MAn, Dubna 141980, Russia

来源：

RADIATION PROTECTION DOSIMETRY | 2007年 / 125卷 / 1-4期

关键词：

D O I：

10.1093/rpd/ncl127

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A moderator-type neutron monitor containing pairs of TLD 6001700 elements (Harshaw) modified with the addition of a lead layer (GSI ball) for the measurement of the ambient dose equivalent from neutrons at medium- and high-energy accelerators, is introduced in this work. Measurements were performed with the Gesellschaft fur Schwerionenforschung (GSI) ball as well as with conventional polyethylene (PE) spheres at the high-energy accelerator SPS at European Organization for Nuclear Research [CERN (CERF)] and in Cave A of the heavy-ion synchrotron SIS at GSI The measured dose values are compared with dose values derived from calculated neutron spectra folded with dose conversion coefficients. The estimated reading of the spheres calculated by means of the response functions and the neutron spectra is also included in the comparison. The analysis of the measurements shows that the PE/Pb sphere gives an improved estimate on the ambient dose equivalent of the neutron radiation transmitted through shielding of medium- and high-energy accelerators.

引用

页码：209 / 212

页数：4

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