Threshold states in 26Al revisited |
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| Institution: | 1. Department of Surgery, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, the Netherlands;2. Department of Geriatrics, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, the Netherlands;3. Department of Research, Netherlands Comprehensive Cancer Organization (IKNL), Godebaldkwartier 419, 3511 DT, Utrecht, the Netherlands;4. Department of Public Health, Erasmus University Medical Center, Doctor Molewaterplein 30, 3015 GD, Rotterdam, the Netherlands;5. Department of Surgery, Catharina Hospital, Michelangelolaan 2, 5623 EJ, Eindhoven, the Netherlands;6. Department of Surgery, Maastricht University Medical Center, P. Debyelaan 25, 6229 HX, Maastricht, the Netherlands;1. Department of Land Economy, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana;2. Department of Real Estate and Land Management, University for Development Studies (UDS—Wa Campus), PO Box UPW 3, Wa, Ghana;3. Centre for Development Research (ZEF), University of Bonn, Bonn, Germany;1. National University of Ireland, Galway, University Road, Galway, H91 TK33, Ireland;2. Water & Environment Research Group, University of Glasgow, Mazumdar-Shaw Advanced Research Centre, Glasgow G11 6EW, United Kingdom;3. Department of Molecular and Clinical Cancer Medicine, University of Liverpool, Liverpool L69 7BE, United Kingdom;1. Gaziantep University, Faculty of Engineering, Department of Food Engineering, 27310 Gaziantep, Turkey;2. Alanya Hamdullah Emin Pasa University, Tourism Faculty, Department of Gastronomy and Culinary Arts, 07400 Alanya, Antalya, Turkey |
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| Abstract: | Threshold states in 26Al have been re-examined using the 27Al(3He, α)26Al and 25Mg(3He, dγ)26Al reactions in order to resolve apparent ambiguities in some of the previously reported properties of these states. In particular, the s-wave resonance strength reported at Ec.m. = 37 keV is now found to be located at Ec.m. = 57.54 keV, and the proton width for the 374 keV resonance has been revised to Γp = 0.82 eV. These results have been used to calculate a new resonance strength of ωγ = 1.6 × 10−13 eV for the 57.54 keV resonance. As a result, the stellar production rate for 26Al is increased by a factor ∼- 3–38 for temperatures T9 = 0.05–0.1. |
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