Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode

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Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode. / Vermeeren, Ludo; Wéber, Marcel; Oriol, Ludovic; Breaud, Stéphane; Filliatre, Philippe; Geslot, Benoit; Jammes, Christian; Normand, Stéphane; Lescop, Bernard; Schyns, Marc (Peer reviewer).

In: IEEE transactions on nuclear Science, Vol. 58, No. 2, 04.2011, p. 362-369.

Research output: Contribution to journalArticlepeer-review

Harvard

Vermeeren, L, Wéber, M, Oriol, L, Breaud, S, Filliatre, P, Geslot, B, Jammes, C, Normand, S, Lescop, B & Schyns, M 2011, 'Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode', IEEE transactions on nuclear Science, vol. 58, no. 2, pp. 362-369. https://doi.org/10.1109/TNS.2011.2113356

APA

Vermeeren, L., Wéber, M., Oriol, L., Breaud, S., Filliatre, P., Geslot, B., Jammes, C., Normand, S., Lescop, B., & Schyns, M. (2011). Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode. IEEE transactions on nuclear Science, 58(2), 362-369. https://doi.org/10.1109/TNS.2011.2113356

Vancouver

Vermeeren L, Wéber M, Oriol L, Breaud S, Filliatre P, Geslot B et al. Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode. IEEE transactions on nuclear Science. 2011 Apr;58(2):362-369. https://doi.org/10.1109/TNS.2011.2113356

Author

Vermeeren, Ludo ; Wéber, Marcel ; Oriol, Ludovic ; Breaud, Stéphane ; Filliatre, Philippe ; Geslot, Benoit ; Jammes, Christian ; Normand, Stéphane ; Lescop, Bernard ; Schyns, Marc. / Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode. In: IEEE transactions on nuclear Science. 2011 ; Vol. 58, No. 2. pp. 362-369.

Bibtex - Download

@article{fc8c2da9f49d49738d0517c10a964266,
title = "Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode",
abstract = "For the on-line monitoring of high fast neutron fluxes in the presence of a strong thermal neutron component, SCK•CEN and CEA are jointly developing a Fast Neutron Detector System, based on 242Pu fission chambers as sensors and including dedicated electronics and data processing systems. Irradiation tests in the BR2 reactor of 242Pu fission chambers operating in current mode showed that in typical MTR conditions the fission chamber currents are dominated by the gamma contribution. In order to reduce the gamma contribution to the signal, it was proposed to use the fission chambers in Campbelling mode. An irradiation experiment in the BR2 reactor with a 242Pu and a 235U fission chamber, both equipped with a suitable cable for measurements in Campbelling mode, proved the effectiveness of the suppression of the gamma-induced signal component by the Campbelling mode: gamma contribution reduction factors of 26 for the 235U fission chamber and more than 80 for the 242Pu fission chamber were obtained. The experimental data also prove that photofission contributions are negligibly small. Consequently, in typical MTR conditions the gamma contribution to the fission chamber Campbelling signal can be neglected.",
keywords = "fast neutron monitoring, fission chamber, current mode, Campbelling mode, in-core instrumentation",
author = "Ludo Vermeeren and Marcel W{\'e}ber and Ludovic Oriol and St{\'e}phane Breaud and Philippe Filliatre and Benoit Geslot and Christian Jammes and St{\'e}phane Normand and Bernard Lescop and Marc Schyns",
note = "Score = 10; 2009 - ANIMMA - Advancements in Nuclear Instrumentation Measurement Methods and their Applications : International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications ; Conference date: 07-06-2009 Through 11-06-2009",
year = "2011",
month = apr,
doi = "10.1109/TNS.2011.2113356",
language = "English",
volume = "58",
pages = "362--369",
journal = "IEEE transactions on nuclear Science",
issn = "0018-9499",
publisher = "IEEE - Institute of Electrical and Electronics Engineers",
number = "2",

}

RIS - Download

TY - JOUR

T1 - Experimental Verification of the Fission Chamber Gamma Signal Suppression by the Campbelling Mode

AU - Vermeeren, Ludo

AU - Wéber, Marcel

AU - Oriol, Ludovic

AU - Breaud, Stéphane

AU - Filliatre, Philippe

AU - Geslot, Benoit

AU - Jammes, Christian

AU - Normand, Stéphane

AU - Lescop, Bernard

A2 - Schyns, Marc

N1 - Score = 10

PY - 2011/4

Y1 - 2011/4

N2 - For the on-line monitoring of high fast neutron fluxes in the presence of a strong thermal neutron component, SCK•CEN and CEA are jointly developing a Fast Neutron Detector System, based on 242Pu fission chambers as sensors and including dedicated electronics and data processing systems. Irradiation tests in the BR2 reactor of 242Pu fission chambers operating in current mode showed that in typical MTR conditions the fission chamber currents are dominated by the gamma contribution. In order to reduce the gamma contribution to the signal, it was proposed to use the fission chambers in Campbelling mode. An irradiation experiment in the BR2 reactor with a 242Pu and a 235U fission chamber, both equipped with a suitable cable for measurements in Campbelling mode, proved the effectiveness of the suppression of the gamma-induced signal component by the Campbelling mode: gamma contribution reduction factors of 26 for the 235U fission chamber and more than 80 for the 242Pu fission chamber were obtained. The experimental data also prove that photofission contributions are negligibly small. Consequently, in typical MTR conditions the gamma contribution to the fission chamber Campbelling signal can be neglected.

AB - For the on-line monitoring of high fast neutron fluxes in the presence of a strong thermal neutron component, SCK•CEN and CEA are jointly developing a Fast Neutron Detector System, based on 242Pu fission chambers as sensors and including dedicated electronics and data processing systems. Irradiation tests in the BR2 reactor of 242Pu fission chambers operating in current mode showed that in typical MTR conditions the fission chamber currents are dominated by the gamma contribution. In order to reduce the gamma contribution to the signal, it was proposed to use the fission chambers in Campbelling mode. An irradiation experiment in the BR2 reactor with a 242Pu and a 235U fission chamber, both equipped with a suitable cable for measurements in Campbelling mode, proved the effectiveness of the suppression of the gamma-induced signal component by the Campbelling mode: gamma contribution reduction factors of 26 for the 235U fission chamber and more than 80 for the 242Pu fission chamber were obtained. The experimental data also prove that photofission contributions are negligibly small. Consequently, in typical MTR conditions the gamma contribution to the fission chamber Campbelling signal can be neglected.

KW - fast neutron monitoring

KW - fission chamber

KW - current mode

KW - Campbelling mode

KW - in-core instrumentation

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_115769

UR - http://knowledgecentre.sckcen.be/so2/bibref/8288

U2 - 10.1109/TNS.2011.2113356

DO - 10.1109/TNS.2011.2113356

M3 - Article

VL - 58

SP - 362

EP - 369

JO - IEEE transactions on nuclear Science

JF - IEEE transactions on nuclear Science

SN - 0018-9499

IS - 2

T2 - 2009 - ANIMMA - Advancements in Nuclear Instrumentation Measurement Methods and their Applications

Y2 - 7 June 2009 through 11 June 2009

ER -

ID: 143713