Physics – Nuclear Physics
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvc..43.2004b&link_type=abstract
Physical Review C (Nuclear Physics), Volume 43, Issue 4, April 1991, pp.2004-2011
Physics
Nuclear Physics
1
Radiative Capture, 59<=A<=89, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Origin, Formation, And Abundances Of The Elements
Scientific paper
The neutron-capture cross sections for 86,87Sr have been measured by the neutron-time-of-flight technique from 100 eV to 1 MeV. Maxwellian-averaged capture cross sections have been determined for stellar temperatures ranging from kT=10 to 100 keV. At kT=30 keV we obtain 70+/-4 and 97+/-5 mb for 86Sr and 87Sr, respectively. These cross sections are combined with other existing data to deduce values for the stellar neutron density and temperature during s-process nucleosynthesis and to analyze the viability of the 87-87Sr chronometric pair as a means to determine the age of the Galaxy.
Bauer Wolfgang R.
Bazan Grant
Becker John Alex
Howe Roger E.
Mathews Grant J.
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