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New High-Precision Measurement of the Reaction Rate of the O-18(p, alpha)N-15 Reaction via THM
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SYSNO ASEP 0338844 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title New High-Precision Measurement of the Reaction Rate of the O-18(p, alpha)N-15 Reaction via THM Author(s) La Cognata, M. (IT)
Spitaleri, C. (IT)
Mukhamedzhanov, A. M. (US)
Irgaziev, B. (PK)
Tribble, R. E. (US)
Banu, A. (US)
Cherubini, S. (IT)
Coc, A. (FR)
Crucilla, V. (IT)
Goldberg, V. Z. (US)
Gulino, M. (IT)
Kiss, G. G. (HU)
Lamia, L. (IT)
Chengbo, L. (CN)
Mrázek, Jaromír (UJF-V) RID, ORCID, SAI
Pizzone, R. G. (IT)
Puglia, S. M. R. (IT)
Rapisarda, G. G. (IT)
Romano, S. (IT)
Sergi, M. L. (IT)
Tabacaru, G. (US)
Trache, L. (US)
Trzaska, W. (FI)
Tumino, A. (IT)Number of authors 24 Source Title Publications of the Astronomical Society of Australia. - : Cambridge University Press - ISSN 1323-3580
Roč. 26, č. 3 (2009), s. 237-242Number of pages 6 s. Language eng - English Country AU - Australia Keywords nuclear reactions ; nucleosynthesis ; abundances Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000270131300017 Annotation The O-18(p, alpha)N-15 reaction rate has been extracted by means of the Trojan-Horse method. For the first time the contribution of the 20-keV peak has been directly evaluated, giving a value about 35% larger than previously estimated. The present approach has allowed to improve the accuracy of a factor 8.5, as it is based on the measured strength instead of educated guesses or spectroscopic measurements. The contribution of the 90-keV resonance has been determined as well, which turned out to be of negligible importance to astrophysics. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2010
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