Optimisation of the MC-model of a p-type Ge-spectrometer for the purpose of efficiency determination

被引：59

作者：

Budjas, D. ^{[1
]}

Heisel, M. ^{[1
]}

Maneschg, W. ^{[1
]}

Simgen, H. ^{[1
]}

机构：

[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

来源：

APPLIED RADIATION AND ISOTOPES | 2009年 / 67卷 / 05期

关键词：

Gamma spectrometry; Detection efficiency; Ge detector; Monte Carlo simulation; Geant4; Optimised detector model; GAMMA-RAY SPECTROMETRY; GEANT4; SIMULATION; DETECTOR; PHYSICS; GERDA;

D O I：

10.1016/j.apradiso.2009.01.015

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An optimisation of the geometrical model of a p-type detector used for material screening was carried out to improve the accuracy of Monte Carlo simulations in reproducing spectrometric measurements. Gamma-ray sources were measured to determine the dimensions of the detector dead layer and borehole. An agreement between simulations and measurement within 3% was achieved at energies above 100 keV. In contrast, discrepancies on the order of 23% were encountered using the nominal parameters from the detector manufacturer. (c) 2009 Elsevier Ltd. All rights reserved.

引用

页码：706 / 710

页数：5

共 19 条

[1]

ABT I, 2004, GERDA COLLABORATION

[2] GEANT4-a simulation toolkit [J].

Agostinelli, S ;

Allison, J ;

Amako, K ;

Apostolakis, J ;

Araujo, H ;

Arce, P ;

Asai, M ;

Axen, D ;

Banerjee, S ;

Barrand, G ;

Behner, F ;

Bellagamba, L ;

Boudreau, J ;

Broglia, L ;

Brunengo, A ;

Burkhardt, H ;

Chauvie, S ;

Chuma, J ;

Chytracek, R ;

Cooperman, G ;

Cosmo, G ;

Degtyarenko, P ;

Dell'Acqua, A ;

Depaola, G ;

Dietrich, D ;

Enami, R ;

Feliciello, A ;

Ferguson, C ;

Fesefeldt, H ;

Folger, G ;

Foppiano, F ;

Forti, A ;

Garelli, S ;

Giani, S ;

Giannitrapani, R ;

Gibin, D ;

Cadenas, JJG ;

González, I ;

Abril, GG ;

Greeniaus, G ;

Greiner, W ;

Grichine, V ;

Grossheim, A ;

Guatelli, S ;

Gumplinger, P ;

Hamatsu, R ;

Hashimoto, K ;

Hasui, H ;

Heikkinen, A ;

Howard, A .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2003, 506 (03) :250-303

[3] Comparison of Geant4 electromagnetic physics models against the NIST reference data [J].

Amako, K ;

Guatelli, S ;

Ivanchenko, VN ;

Maire, M ;

Mascialino, B ;

Murakami, K ;

Nieminen, P ;

Pandola, L ;

Parlati, S ;

Pia, MG ;

Piergentili, M ;

Sasaki, T ;

Urban, L .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2005, 52 (04) :910-918

[4] MaGe: a Monte Carlo framework for the Gerda and Majorana double beta decay experiments [J].

Bauer, M. ;

Belogurov, S. ;

Chan, Y. D. ;

Descovich, M. ;

Detwiler, J. ;

Di Marco, M. ;

Fujikawa, B. ;

Franco, D. ;

Gehman, V. ;

Henning, R. ;

Hudek, K. ;

Johnson, R. ;

Jordan, D. ;

Kazkaz, K. ;

Klimenko, A. ;

Knapp, M. ;

Kroeninger, K. ;

Lesko, K. ;

Liu, X. ;

Marino, M. ;

Mokhtarani, A. ;

Pandola, L. ;

Perry, M. ;

Poon, A. ;

Radford, D. ;

Tomei, C. ;

Tull, C. .

TAUP 2005: PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS, 2006, 39 :362-362

[5]

Budjas D., 2008, P 14 INT BAKS SCH PA, P233

[6]

Budjas D, 2008, P 14 INT BAKS SCH PA, P228

[7]

BUDJAS D, 2007, GSTR07010V2

[8]

CHAN YD, 2008, ARXIV08020860V1

[9]

Chu S. Y. F., 1999, LUND LBNL NUCL DATA

[10] Monte Carlo modelling of germanium crystals that are tilted and have rounded front edges [J].

Gasparro, Joel ;

Hult, Mikael ;

Johnston, Peter N. ;

Tagziria, Hamid .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2008, 594 (02) :196-201

← 1 2 →