Search for anomalous isotopes of sodium

Details Search for anomalous isotopes of sodium Search for anomalous isotopes of sodium

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrvl..53..431d&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 53, July 30, 1984, p. 431-434.

Mathematics

Logic

13

Abundance, Cosmology, Isotope Effect, Sodium Isotopes, Astronomical Models, Elementary Particle Interactions, Heavy Elements, Nuclear Particles, 20<=A<=38, Binding Energies And Masses, Origin And Formation Of The Universe

Scientific paper

A search has been made for isotopes of sodium of mass greater than 100 amu by studying the isotopic mass shift of the Na D2 transition with use of the photon-burst method. An upper limit for the heavy-hadron/nucleon ratio of 5 x 10 to the -12th was found under the assumption of hyperfine splittings comparable to those in Na-23 and negligible fractionation of heavy sodium isotopes. This compares with cosmological model predictions for nuclear matter of about 10 to the -10th.

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