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High resolution 138Ba(n, gamma) measurements were carried out at GELINA and the capture areas of 138 resonances in the range 0.5 - 200 keV were determined. From these values the variation of the Maxwellian-averaged cross-section was calculated for temperatures from 5 to 100 keV. With these new data, meteoritic s-process Ba could be interpreted as the result of s-process nucleosynthesis taking place at kT = 12 keV, the ignition temperature of the 13C(alpha, n) reaction.

Additional information

Authors: BEER H, Forschungszentrum Karlsruhe GmbH (DE);CORVI F, JRC Geel (BE);ATHANASSOPULOS K, JRC Geel (BE)
Bibliographic Reference: Paper presented: 8th International Symposium on Capture Gamma-ray Spectroscopy and Related Topics, Fribourg (CH), September 20-24, 1993
Availability: Available from (1) as Paper EN 37894 ORA
Record Number: 199311364 / Last updated on: 1994-11-28
Original language: en
Available languages: en