Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo

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Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo. / Farina Arboccò, F.; Vermaercke, Peter; Verheyen, Leen; Strijckmans, K.; Sneyers, Liesel (Peer reviewer).

In: Journal of Radioanalytical and Nuclear Chemistry, Vol. 297, No. 3, 18.12.2012, p. 371-375.

Research output: Contribution to journalArticlepeer-review

Harvard

Farina Arboccò, F, Vermaercke, P, Verheyen, L, Strijckmans, K & Sneyers, L 2012, 'Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo', Journal of Radioanalytical and Nuclear Chemistry, vol. 297, no. 3, pp. 371-375. https://doi.org/10.1007/s10967-012-2363-0

APA

Farina Arboccò, F., Vermaercke, P., Verheyen, L., Strijckmans, K., & Sneyers, L. (2012). Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo. Journal of Radioanalytical and Nuclear Chemistry, 297(3), 371-375. https://doi.org/10.1007/s10967-012-2363-0

Vancouver

Farina Arboccò F, Vermaercke P, Verheyen L, Strijckmans K, Sneyers L. Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo. Journal of Radioanalytical and Nuclear Chemistry. 2012 Dec 18;297(3):371-375. https://doi.org/10.1007/s10967-012-2363-0

Author

Farina Arboccò, F. ; Vermaercke, Peter ; Verheyen, Leen ; Strijckmans, K. ; Sneyers, Liesel. / Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo. In: Journal of Radioanalytical and Nuclear Chemistry. 2012 ; Vol. 297, No. 3. pp. 371-375.

Bibtex - Download

@article{00778d5216ff41768c352ef7ff3f005f,
title = "Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo",
abstract = "In a previous work we experimentally tested some neutron self-shielding calculations methods for thermal absorbers, from which the semi-empirical {\textquoteleft}{\textquoteleft}sigmoid method{\textquoteright}{\textquoteright} gave the most accurate results. In this work we aim at evaluating the accuracy of this method on the epithermal self-shielding phenomena as compared to the analytical {\textquoteleft}{\textquoteleft}MatSSF method{\textquoteright}{\textquoteright}. Metallic foils of Zr and Mo were compactly stacked together into small cylinders (or disks) of different thickness, allowing for up to 20 % epithermal selfshielding when irradiated on two channels of the BR1 reactor. A 2 % relative difference between calculated and experimental self-shielding factors was obtained from the MatSSF method when a perpendicular source-sample axial configuration was assumed, while the isotropic or the coaxial configuration alternatives gave up to 10 % relative differences. On the other hand, the sigmoid method gave relative differences of up to 6 % that can be reduced to just 2 % by applying the {\textquoteleft}{\textquoteleft}effective{\textquoteright}{\textquoteright} epithermal absorption cross-sections for 98Mo and 96Zr proposed in this work.",
keywords = "Neutron self-shielding, Resonances, Neutron absorption, Bell factor, Effective epithermal absorption cross-sections, Sigmoid method, MatSSF method",
author = "{Farina Arbocc{\`o}}, F. and Peter Vermaercke and Leen Verheyen and K. Strijckmans and Liesel Sneyers",
note = "Score = 10",
year = "2012",
month = dec,
day = "18",
doi = "10.1007/s10967-012-2363-0",
language = "English",
volume = "297",
pages = "371--375",
journal = "Journal of Radioanalytical and Nuclear Chemistry",
issn = "0236-5731",
publisher = "Springer",
number = "3",

}

RIS - Download

TY - JOUR

T1 - Experimental evaluation of epithermal neutron self-shielding for 96Zr and 98Mo

AU - Farina Arboccò, F.

AU - Vermaercke, Peter

AU - Verheyen, Leen

AU - Strijckmans, K.

A2 - Sneyers, Liesel

N1 - Score = 10

PY - 2012/12/18

Y1 - 2012/12/18

N2 - In a previous work we experimentally tested some neutron self-shielding calculations methods for thermal absorbers, from which the semi-empirical ‘‘sigmoid method’’ gave the most accurate results. In this work we aim at evaluating the accuracy of this method on the epithermal self-shielding phenomena as compared to the analytical ‘‘MatSSF method’’. Metallic foils of Zr and Mo were compactly stacked together into small cylinders (or disks) of different thickness, allowing for up to 20 % epithermal selfshielding when irradiated on two channels of the BR1 reactor. A 2 % relative difference between calculated and experimental self-shielding factors was obtained from the MatSSF method when a perpendicular source-sample axial configuration was assumed, while the isotropic or the coaxial configuration alternatives gave up to 10 % relative differences. On the other hand, the sigmoid method gave relative differences of up to 6 % that can be reduced to just 2 % by applying the ‘‘effective’’ epithermal absorption cross-sections for 98Mo and 96Zr proposed in this work.

AB - In a previous work we experimentally tested some neutron self-shielding calculations methods for thermal absorbers, from which the semi-empirical ‘‘sigmoid method’’ gave the most accurate results. In this work we aim at evaluating the accuracy of this method on the epithermal self-shielding phenomena as compared to the analytical ‘‘MatSSF method’’. Metallic foils of Zr and Mo were compactly stacked together into small cylinders (or disks) of different thickness, allowing for up to 20 % epithermal selfshielding when irradiated on two channels of the BR1 reactor. A 2 % relative difference between calculated and experimental self-shielding factors was obtained from the MatSSF method when a perpendicular source-sample axial configuration was assumed, while the isotropic or the coaxial configuration alternatives gave up to 10 % relative differences. On the other hand, the sigmoid method gave relative differences of up to 6 % that can be reduced to just 2 % by applying the ‘‘effective’’ epithermal absorption cross-sections for 98Mo and 96Zr proposed in this work.

KW - Neutron self-shielding

KW - Resonances

KW - Neutron absorption

KW - Bell factor

KW - Effective epithermal absorption cross-sections

KW - Sigmoid method

KW - MatSSF method

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_132864

UR - http://knowledgecentre.sckcen.be/so2/bibref/11007

U2 - 10.1007/s10967-012-2363-0

DO - 10.1007/s10967-012-2363-0

M3 - Article

VL - 297

SP - 371

EP - 375

JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

SN - 0236-5731

IS - 3

ER -

ID: 210303