Thursday, April 18, 2013

1304.4740 (C. Bordeanu et al.)

Activation measurement of the 3He(a,g)7Be reaction cross section at high

C. Bordeanu, Gy. Gyürky, Z. Halász, T. Szücs, G. G. Kiss, Z. Elekes, J. Farkas, Zs. Fülöp, E. Somorjai
The astrophysically important 3He(a,g)7Be reaction was studied at high energies where the available experimental data are in contradiction. A thin window 3He gas cell was used and the cross section was measured with the activation method. The obtained cross sections at energies between Ec.m. = 1.5 and 2.5 MeV are compared with the available data and theoretical calculations. The present results support the validity of the high energy cross section energy dependence observed by recent experiments.
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