Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- C. Weiss
- G. Badurek
- E. Berthoumieux
- M. Calviani
- E. Chiaveri
- D. Dobos
- E. Griesmayer
- C. Guerrero
- E. Jericha
- F. Kaeppeler
- H. Leeb
- T. Rauscher
- V. Vlachoudis
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Original language | English |
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Title of host publication | Experimental Nuclear Astrophysics |
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Publisher | SISSA |
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Number of pages | 8 |
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Publication status | Published - Jan 2012 |
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Event | VI European Summer School on Experimental Nuclear Astrophysics (ENAS6) - Acireale, Italy Duration: 18 Sep 2011 → 27 Sep 2011 |
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Name | Proceedings of Science |
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Publisher | SISSA |
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Volume | ENAS 6 |
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ISSN (Electronic) | 1824-8039 |
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Conference | VI European Summer School on Experimental Nuclear Astrophysics (ENAS6) |
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Country/Territory | Italy |
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City | Acireale |
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Period | 18/09/11 → 27/09/11 |
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Abstract
In astrophysics, the determination of the optical alpha-nucleus potential for low alpha-particle energies, crucial in understanding the origin of the stable isotopes, has turned out to be a challenge. Theory still cannot predict the optical potentials required for the calculation of the astrophysical reaction
rates in the Hauser-Feshbach statistical model and there is scant experimental information on reactions with alpha particles at the relevant astrophysical energies. Measurements of (n,alpha) cross-sections offer a good opportunity to study the alpha channel.
At the n_TOF experiment at CERN, a prototype detector, based on the chemical vapor deposition (CVD) diamond technology, has been recently developed for (n,alpha) measurements. A reference measurement of the 10B(n,alpha)7Li reaction was performed in 2011 at n_TOF as a feasibility study for this detector type.
The results of this measurement and an outline for future experiments are presented here.
Notes
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ID: 1678838