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Comparison of calculated and measured reaction rates obtained through foil activation in the subcritical dual spectrum facility YALINA-Booster
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Physics.ORCID iD: 0000-0003-1996-0805
Show others and affiliations
2011 (English)In: Annals of Nuclear Energy, ISSN 0306-4549, E-ISSN 1873-2100, Vol. 38, no 6, 1412-1417 p.Article in journal (Refereed) Published
Abstract [en]

Reaction rates were measured by the foil activation technique to obtain neutron spectrum information in a subcritical core driven by an external neutron source. The experimental results are compared with Monte Carlo calculations in order to examine the capability of the Monte Carlo code MCNP together with ENDFB-6.8. JEFF-3.1.1 and CENDL-3.1 neutron cross section libraries to predict the neutron spectrum dependent reaction rates correctly in a subcritical core. The focus lies on fast neutrons. A discrepancy is found in the calculated-to-experimental values of the reaction rates and an inaccurate cross section is identified in CENDL-3.1. 

Place, publisher, year, edition, pages
2011. Vol. 38, no 6, 1412-1417 p.
Keyword [en]
Foil activation, Reaction rate, YALINA
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-33987DOI: 10.1016/j.anucene.2011.01.028ISI: 000290194100023Scopus ID: 2-s2.0-79953746629OAI: oai:DiVA.org:kth-33987DiVA: diva2:418453
Note
QC 20110523Available from: 2011-05-23 Created: 2011-05-23 Last updated: 2017-12-11Bibliographically approved
In thesis
1. Science and Technology for Americium Transmutation
Open this publication in new window or tab >>Science and Technology for Americium Transmutation
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Americium could be seen as the most troublesome element that is presentin nuclear fuel. This thesis offers different points of view on the possibility ofamericium transmutation. The first point of view elaborates simulations ofamericium-bearing facilities, namely nuclear data, a popular computationalcode and modeling techniques. The second point of view is focused on practicalusage of the simulations to examine upper limit of americium in a specificreactor.

Abstract [sv]

Americium är ett av det mest besvärande elementen i använt kärnbränsle.Denna avhandling behandlar olika aspekter av möjligheten att transmuteraamericium i snabba reaktorsystem. I den första varianten utarbetas simuleringaroch beräkningsmodeller för neutrondatamätningar av betydelse föracceleratordrivna system avsedda att transmutera americium. I den senareundersöks mer praktiska tillämpningar, i synnerhet beräknas gränser för hurmycket americium som kan laddas i bränslet för kritiska bykylda reaktorer.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. xii, 62 p.
Series
TRITA-FYS, ISSN 0280-316X ; 2012:21
National Category
Other Physics Topics
Identifiers
urn:nbn:se:kth:diva-100186 (URN)978-91-7501-326-8 (ISBN)
Public defence
2012-08-17, F3, Lindstedtsvägen 26, KTH, Stockholm, 13:00 (English)
Opponent
Supervisors
Note

QC 20120806

Available from: 2012-08-06 Created: 2012-08-06 Last updated: 2017-03-02Bibliographically approved

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Bäck, Torbjörn

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