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Generation of MeV -energy protons in WWER reactor core
The spectrum of fast protons, generated by fast neutrons of WWER-1000 reactor core in water, has been calculated using the Monte Carlo method. The main mechanism of fast proton generation in the moderator is found to be elastic scattering of fast neutrons on hydrogen nuclei. Fast protons with mean...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2009
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| Series: | Вопросы атомной науки и техники |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/96424 |
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| Summary: | The spectrum of fast protons, generated by fast neutrons of WWER-1000 reactor core in water, has been calculated
using the Monte Carlo method. The main mechanism of fast proton generation in the moderator is found to be
elastic scattering of fast neutrons on hydrogen nuclei. Fast protons with mean energy 1 MeV flow towards the
surface of cladding material at flux density 0.1 µA/cm2
. The process of hydrogen implantation into zirconium
cladding is discussed in the article. Proton range distribution profile in cladding material is calculated. The role of
this mechanism in the hydrogenation of zirconium under reactor irradiation is discussed. |
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