Influence of Resonances on the 11B (n, γ1)12B Reaction Rate

• Published in: Russian physics journal Vol. 65; no. 6; pp. 924 - 936
• Main Authors: Dubovichenko, S. B., Burkova, N. A., Dzhazairov-Kahramanov, A. V., Shmygaleva, T. A., Tkachenko, A. S., Samratova, A., Shamitova, R.
• Format: Journal Article
• Language: English
• Published: Cham Springer International Publishing 2022; Springer Nature B.V
• Subjects: Absorption cross sections; Condensed Matter Physics; Elementary Particle Physics and Field Theory; Hadrons; Heavy Ions; Lasers; Mathematical and Computational Physics; Nuclear Physics; Optical Devices; Optics; Photonics; Physics; Physics and Astronomy; Theoretical; thermonuclear reactions; elastic scattering; radiative capture; forbidden states; potential description; nuclear astrophysics; potential cluster model; classification of orbital states according to Young’s diagrams; light atomic nuclei; excited states; thermal and astrophysical energies; total cross sections; B system
• ISSN: 1064-8887; 1573-9228
• DOI: 10.1007/s11182-022-02715-0

Within the framework of the modified potential cluster model with a classification of orbital states according to Young’s diagrams, the possibility of predicting the missing experimental data for the total cross sections of radiative
n
11
B capture on the first excited state of the
12
B nucleus at 0.95 MeV (2
+
) for the reaction energies from 10 meV (1 meV = 10
-3
eV) to 7 MeV is considered. Based on the obtained total cross sections that take into account resonances up to 5 eV, the reaction rate is calculated at temperatures from 0.01 to 10.0
Т
9
. It is shown that low-lying resonances have a significant effect on the capture reaction rate.