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Absolute cross section of 7Be(p, γ)8B

✍ Scribed by F. Strieder; L. Gialanella; G. Gyürky; F. Schümann; R. Bonetti; C. Broggini; L. Campajola; P. Corvisiero; H. Costantini; A. D'Onofrio; A. Formicola; Z. Fülöp; G. Gervino; U. Greife; A. Guglielmetti; C. Gustavino; G. Imbriani; M. Junker; P.G.P. Moroni; A. Ordine; P. Prati; V. Roca; D. Rogalla; C. Rolfs; M. Romano; E. Somorjai; O. Straniero; F. Terrasi; H.P. Trautvetter; S. Zavatarelli

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
152 KB
Volume
696
Category
Article
ISSN
0375-9474

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✦ Synopsis

The absolute cross section σ (E) for the radiative capture reaction 7 Be(p, γ ) 8 B at the center-ofmass energies E = 0.32 to 2.61 MeV has been measured using a 7 Be target deposited on a Cu backing and observing the β-delayed α-particles from 8 B. The backing causes a loss of less than 1% of the 8 B residual nuclides. The resulting astrophysical S(E) factor at zero energy, S(0) = 18.4 ± 1.6 eV b, is consistent only with a restricted data set from previous work.

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