- Main
La137,138,139(n,γ) cross sections constrained with statistical decay properties of La138,139,140 nuclei
- Kheswa, BV;
- Wiedeking, M;
- Brown, JA;
- Larsen, AC;
- Goriely, S;
- Guttormsen, M;
- Garrote, FL Bello;
- Bernstein, LA;
- Bleuel, DL;
- Eriksen, TK;
- Giacoppo, F;
- Görgen, A;
- Goldblum, BL;
- Hagen, TW;
- Koehler, PE;
- Klintefjord, M;
- Malatji, KL;
- Midtbø, JE;
- Nyhus, HT;
- Papka, P;
- Renstrøm, T;
- Rose, SJ;
- Sahin, E;
- Siem, S;
- Tornyi, TG
- et al.
Published Web Location
https://doi.org/10.1103/physrevc.95.045805Abstract
The nuclear level densities and γ-ray strength functions of La138,139,140 were measured using the La139(He3,α), La139(He3,He3′), and La139(d,p) reactions. The particle-γ coincidences were recorded with the silicon particle telescope (SiRi) and NaI(Tl) (CACTUS) arrays. In the context of these experimental results, the low-energy enhancement in the A∼140 region is discussed. The La137,138,139(n,γ) cross sections were calculated at s- and p-process temperatures using the experimentally measured nuclear level densities and γ-ray strength functions. Good agreement is found between La139(n,γ) calculated cross sections and previous measurements.
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