Aluminium fast neutron leakage spectrum validation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F25%3AN0000018" target="_blank" >RIV/26722445:_____/25:N0000018 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216224:14330/25:00143694

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0969806X25005559" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0969806X25005559</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.radphyschem.2025.113063" target="_blank" >10.1016/j.radphyschem.2025.113063</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Aluminium fast neutron leakage spectrum validation

Popis výsledku v původním jazyce

Aluminium is a crucial material in the nuclear industry, valued for its reliability over long periods of irradiation. The manuscript focuses on validating aluminium neutron transport libraries. Validation experiments were performed on an aluminium block with a central hole. The block was assembled from smaller aluminium plates. The experiment involved activating samples at different positions and measuring the fast neutron spectrum in the energy range of 0.1 MeV to 1.3 MeV by means of a hydrogen-filled proportional detector and in the energy range of 1 MeV to 12 MeV using a stilbene scintillation detector. The dosimetric reactions studied for validation included 58Ni(n,p)58Co, 63Cu(n,γ)64Cu, 181Ta(n,γ)182Ta, 92Mo(n,p)92mNb, natTi(n,X)46Sc, and natTi(n,X)47Sc. All experimental data were compared with MCNP6.2 simulations using the ENDF/B-VIII.0, JEFF-3.3, and JENDL-5 neutron transport libraries. Activation cross sections were taken from the IRDFF-II library. Regarding activation reactions, the results are in good agreement with simulations, independent on the library. The JEFF-3.3 and ENDF/B-VIII.0 fast neutron flux calculations are similar. All libraries provided results within two sigma uncertainty, except for JENDL-5 in the energy range of 1.8 to 3.4 MeV, and ENDF/B-VIII.0 (JEFF-3.3) in the region of 1.06 to 1.3 MeV.

Název v anglickém jazyce

Aluminium fast neutron leakage spectrum validation

Popis výsledku anglicky

Aluminium is a crucial material in the nuclear industry, valued for its reliability over long periods of irradiation. The manuscript focuses on validating aluminium neutron transport libraries. Validation experiments were performed on an aluminium block with a central hole. The block was assembled from smaller aluminium plates. The experiment involved activating samples at different positions and measuring the fast neutron spectrum in the energy range of 0.1 MeV to 1.3 MeV by means of a hydrogen-filled proportional detector and in the energy range of 1 MeV to 12 MeV using a stilbene scintillation detector. The dosimetric reactions studied for validation included 58Ni(n,p)58Co, 63Cu(n,γ)64Cu, 181Ta(n,γ)182Ta, 92Mo(n,p)92mNb, natTi(n,X)46Sc, and natTi(n,X)47Sc. All experimental data were compared with MCNP6.2 simulations using the ENDF/B-VIII.0, JEFF-3.3, and JENDL-5 neutron transport libraries. Activation cross sections were taken from the IRDFF-II library. Regarding activation reactions, the results are in good agreement with simulations, independent on the library. The JEFF-3.3 and ENDF/B-VIII.0 fast neutron flux calculations are similar. All libraries provided results within two sigma uncertainty, except for JENDL-5 in the energy range of 1.8 to 3.4 MeV, and ENDF/B-VIII.0 (JEFF-3.3) in the region of 1.06 to 1.3 MeV.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20305 - Nuclear related engineering; (nuclear physics to be 1.3);

Projekt

—

Návaznosti

R - Projekt Ramcoveho programu EK

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Radiation Physics and Chemistry

ISSN

0969-806X

e-ISSN

1879-0895

Svazek periodika

237

Číslo periodika v rámci svazku

December

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

8

Strana od-do

1-8

Kód UT WoS článku

001517285600009

EID výsledku v databázi Scopus

2-s2.0-105007768383