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Absolute resonance strengths in the $^{6,7}Li(alpha, gamma)^{10,11}B$ reactions
Authors:Gyürky  Gy.  Fülöp  Zs.  Somorjai  E.  Kiss  G.  Rolfs  C.
Affiliation:(1) Institute of Nuclear Research (ATOMKI), P.O. Box 51, H-4001 Debrecen, Hungary;(2) University of Debrecen, Egyetem tér 1., H-4010 Debrecen, Hungary;(3) Institut für Physik mit Ionenstrahlen, Ruhr-Universität Bochum, Bochum, Germany
Abstract:The absolute strengths of the $E_{alpha} = 1175 $ keV resonance in the $^{6}Li(alpha,gamma)^{10}B$ reaction and of the $E_{alpha} = 814 $ keV resonance in the $^{7}Li(alpha,gamma)^{11}B$ reaction have been measured to $omegagamma = 366 pm 38 $ meV and $omegagamma = 300 pm 32 $ meV, respectively, in good agreement with previous values. These resonances can be used to measure the absolute acceptance of the recoil separator ERNA to a precision of about 10%.Received: 12 December 2003, Revised: 10 February 2004, Published online: 3 August 2004PACS: 24.30.-v Resonance reactions - 25.40.Lw Radiative capture - 26.20. + f Hydrostatic stellar nucleosynthesis
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