Monte Carlo Simulations for the Study of a Moderated Neutron Detector

被引：6

作者：

Gomez Hornillos, M. B. ^{[1
]}

Gorlychev, V. ^{[1
]}

Caballero, R. ^{[1
]}

Cortes, G. ^{[1
]}

Poch, A. ^{[1
]}

Pretel, C. ^{[1
]}

Calvino, F. ^{[1
]}

Tain, J. L. ^{[2
]}

Algora, A. ^{[2
]}

Agramunt, J. ^{[2
]}

Cano-Ott, D. ^{[3
]}

Martinez, T. ^{[3
]}

Mendoza, E. ^{[3
]}

Rissanen, J. ^{[4
]}

Aysto, J. ^{[4
]}

Jokinen, A. ^{[4
]}

Eronen, T. ^{[4
]}

Moore, I. ^{[4
]}

Penttila, H. ^{[4
]}

机构：

[1] Univ Politecn Cataluna, Seccio Engn Nucl, E-08028 Barcelona, Spain

[2] Univ Valencia, CSIC, IFIC, Valencia, Spain

[3] CIEMAT, E-28040 Madrid, Spain

[4] JYFL, Jyvaskyla, Finland

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2011年 / 59卷 / 02期

关键词：

Monte Carlo simulations; GEANT4; MCNPX; Beta delayed neutron emission; Neutron detector;

D O I：

10.3938/jkps.59.1573

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This work presents the Monte Carlo simulations performed with the MCNPX and GEANT4 codes for the design of a BEta deLayEd Neutron detector, BELEN-20. This detector will be used for the study of beta delayed neutron emission and consists of a block of polyethylene with dimensions 90 x 90 x 80 cm(3) and 20 cylindrical He-3 gas counters. The results of these simulations have been validated experimentally with a Cf-252 source in the laboratory at UPC, Barcelona. Also the first experiment with this detector has been carried out in November 2009 in JYFL, Finland. In this experiment the neutron emission probability after beta decay of the fission products Br-88, Rb-94,Rb-95, and I-138 has been measured; this data is still under analysis. Simulations with MCNPX and GEANT4 have been performed in order to obtain the efficiency of the BELEN-20 detector for each of the above nuclei using the neutron energy distribution corresponding to each nucleus.

引用

页码：1573 / 1576

页数：4

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