Low-energy resonance strengths for proton capture on Mg and Al nuclei |
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| Affiliation: | 1. The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3255, USA;2. Triangle Universities Nuclear Laboratory, Durham, NC 27708-0308, USA;1. Department of Energy Engineering, Sharif University of Technology, Tehran 8639-11365, Iran;2. Nuclear Engineering Department, Shahid Beheshti University, G.C., PO Box 1983963113, Tehran, Iran;1. Division de Technologie Nucléaire, CRNB, B.P. 180 Ain-Oussara, Djelfa, Algeria;2. Division de Physique, CRNA, 02 Bd. Frantz Fanon, B.P. 399 Alger-gare, Algiers, Algeria;3. USTHB, Faculté de Physique, B.P. 32, 16111 Bab-Ezzouar, Algiers, Algeria;1. Physics Department, University of California, Berkeley, CA 94720, USA;2. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;3. Nuclear Engineering Department, University of California, Berkeley, CA 94720, USA |
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| Abstract: | Absolute strengths of selected low-energy resonances for proton captures on the nuclei 24Mg, 25Mg, 26Mg and 27Al have been determined. The experiments were carried out by measuring the number of resonant γ-rays, integrated over the yield curve, simultaneously with the number of Rutherford scattered protons. The method applied in the present work is independent of target stoichiometries and uniformities, stopping powers, beam straggling and current integration. The ratio of charged-particle and γ-ray detection efficiencies was measured by using the 19F(p,α2γ)16O reaction at ER=340 keV. A new set of reliable resonance strength standards at low bombarding energies is presented and our results are compared with previous work. |
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