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Isotope shift and search for metastable superheavy elements in astrophysical data
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abstract
Spectral lines belonging to the short-lifetime heavy radioactive elements up to Es ($Z$=99) have been found in the spectra of the Przybylski's star. We suggest that these unstable elements may be decay products of a "magic" metastable nucleus belonging to the the island of stability where the nuclei have a magic number of neutrons $N=184$. The laboratory-produced nuclei have a significantly smaller number of neutrons. To identify spectra of the $N=184$ isotopes of these nuclei and their neutron-reach superheavy decay products in astrophysical data we calculate the isotope shift which should be added to the laboratory - measured wavelenghs. The results for the isotopic shifts in the strongest optical electromagnetic transitions in No, Lr, Nh, Fl,and $Z$=120 elements are presented.
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Cited by 1 Pith paper
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Natural superheavy nuclei in astrophysical data
Three olivine tracks with etching rates above uranium are claimed to be superheavy nuclei near Z=119, and abundance differences between two meteorites are read as evidence for neutron-star merger origin.
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