Elsevier

Nuclear Physics A

Volume 696, Issues 1–2, 17 December 2001, Pages 219-230
Nuclear Physics A

Absolute cross section of 7Be(p, γ)8B

https://doi.org/10.1016/S0375-9474(01)01121-6Get rights and content

Abstract

The absolute cross section σ(E) for the radiative capture reaction 7Be(p, γ)8B at the center-of-mass energies E=0.32 to 2.61 MeV has been measured using a 7Be target deposited on a Cu backing and observing the β-delayed α-particles from 8B. The backing causes a loss of less than 1% of the 8B 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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    Supported in part by INFN, BMBF (06BO812), DFG (436UNG113-146), OTKA (T025465), and European Social Fund.

    1

    Present address: Colorado School of Mines, Golden, Colorado, USA.

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