Indirect Measurements for (p,alpha) Reactions Involving Boron Isotopes

Light elements lithium, beryllium and boron (LiBeB) were used in the last years as 'possible probe' for a deeper understanding of some extra-mixing phenomena occurring in young Main-Sequence stars. They are mainly destroyed by (p,alpha) reactions and cross section measurements for such cha...

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Published inAIP conference proceedings Vol. 1001; no. 1; pp. 113 - 122
Main Authors Lamia, L, Spitaleri, C, Romano, S, Carlin, N, Cherubini, S, Crucilla, V, Del Szanto, M G, Gulino, M, La Cognata, M, Neto, R Liguori, De Moura, M M, Munhoz, M G, Pizzone, R G, Puglia, S M R, Sergi, M L, Souza, F A, Suaide, A A P, Szanto, E, de Toledo, A Szanto
Format Journal Article
LanguageEnglish
Published United States 01.01.2008
Subjects
ASTROPHYSICS
BERYLLIUM 7
BERYLLIUM 8
BORON 10 TARGET
BORON 11 TARGET
COULOMB FIELD
CROSS SECTIONS
DIRECT REACTIONS
MAIN SEQUENCE STARS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEOSYNTHESIS
PROTON REACTIONS
STAR EVOLUTION
TUNNEL EFFECT
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Summary:Light elements lithium, beryllium and boron (LiBeB) were used in the last years as 'possible probe' for a deeper understanding of some extra-mixing phenomena occurring in young Main-Sequence stars. They are mainly destroyed by (p,alpha) reactions and cross section measurements for such channels are then needed. The Trojan Horse Method (THM) allows one to extract the astrophysical S(E)-factor without the experience of tunneling through the Coulomb barrier. In this work a resume of the recent results about the 11B(p,alpha0)8Be and 10B(p,alpha)7Be reactions is shown.
Bibliography:SourceType-Scholarly Journals-2
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ObjectType-Conference Paper-1
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SourceType-Conference Papers & Proceedings-1
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ISBN:9780735405202
0735405204
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2916952