Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003omeg.conf..119l&link_type=abstract
ORIGIN OF MATTER AND EVOLUTION OF GALAXIES 2000. Proceedings of the International Symposium. Held 19-21 January 2000 in Universi
Astronomy and Astrophysics
Astronomy
Scientific paper
The two measurements, performed in connection with the solar neutrino problem, are described. The 7Be(d,n)8B reaction was measured at Ec.m. = 5.8 and 8.3 MeV for deducing the S17(0) factor for the 7Be(p,γ)8B reaction. The angular distribution data were analyzed by using a distorted-wave Born approximation. The S17(0) factor for the 7Be(p,γ)8B reaction was derived to be 27.4 ± 4.4 eV b through the asymptotic normalization constant extracted from the experimental data. The β-decay of 40Ti was studied by measuring the β-delayed proton- and γ-emission. The half-lives for 40Ti are determined to be 54±2 ms. Based on the experimental 40Ti β-decay strength, the neutrino absorption cross-section was determined to be (14.3±0.3)×10-43 cm2.
Bai Xixiang
Benlliure J.
Chen Baoqiu
Chulkov L.
Collatz R.
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