Neutron capture in neodymium isotopes: implications for the s-process

Details Neutron capture in neodymium isotopes: implications for the s-process Neutron capture in neodymium isotopes: implications for the s-process

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997nupha.621..270w&link_type=abstract

Nuclear Physics A, v. 621, p. 270-273.

Physics

Nuclear Physics

10

Scientific paper

The neutron capture cross sections of six neodymium isotopes were measured in the energy range from 3 to 225 keV using the Karlsruhe 4π Barium Fluoride Detector. The obtained uncertainty of 1-2% is an improvement by factors of five compared to previous measurements. Stellar capture cross sections were calculated for thermal energies between kT = 10 and 100 keV. These new data allow a detailed analysis of the s-process branchings at 141Ce and 142Pr which are determining the abundance of the s-only isotope 142Nd. The s-process abundance pattern of the six isotopes is in perfect agreement with isotopic anomalies found in the Murchison meteorite.

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