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Analysis of ¹⁶O(γ, 4α) reaction mechanism
The mechanism of triangular and quadrangular ⁸Be and ¹²C Feynman diagrams for the ¹⁶O(γ, 4α) reaction in the field of photon energy Eg = 15...45 MeV was analyzed. The paper presents the calculation results on the peak positions in the energy dependence of total reaction cross-sections with consider...
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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/123456789/111152 |
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| Summary: | The mechanism of triangular and quadrangular ⁸Be and ¹²C Feynman diagrams for the ¹⁶O(γ, 4α) reaction in the field of photon energy Eg = 15...45 MeV was analyzed. The paper presents the calculation results on the peak positions in the energy dependence of total reaction cross-sections with consideration of the ⁸Be and ¹²C exitation spectra. It is shown that the radical extremes of triangular diagrams can manifest themselves in the form of "ghosts" of ⁸Be, ⁸Be* and ¹²C* nuclei in the excited states of 2α and 3α- particles in the final state. The distributions of energy correlations of two α- particle pairs in the approximation of the pole ⁸Be- diagram at Eg=20...40 MeV were calculated. |
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