On search and identification of tracks due to short-lived SHE nuclei in extraterrestrial crystals

Perelygin, V.P.; Abdullaev, I.G.; Knyazeva, G.P.; Kravets, L. I.; Petrova, R.I.; Brandt, R.; Ensinger, Wolfgang; Vater, P.; Fleischer, R. L.; Bondar, Yu.V.; Rebetez, M.

doi:10.1016/s1350-4487(03)00135-5

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Possible Presence Of Hs In Molybdenite and Osmiride1

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“…Assuming that the estimate of the 271 Hs halflife (2.5±0.5)×10 8 yr is true [2], then, essentially, all the 271 Hs brought to the Earth during its formation, about 4.5 billion years ago, would have to decay. Superheavy elements are generated by supernova explosions and might be present in high-energy cosmic rays [26]. This suggests the existence of a continuous inflow to the Earth of superheavy elements, together with cosmic dust, which builds up as it traverses the solar system through the spiral arms of our galaxy.…”

Section: Possible Presence Of Hs In Molybdenite and Osmiridementioning

confidence: 99%

The possible existence of Hs in nature from a geochemical point of view

Ivanov

2006

Phys. Part. Nuclei Lett.

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A hypothesis of the existence of a long-lived isotope 271Hs in natural molybdenites and osmirides is considered from a geochemical point of view. It is shown that the presence of Hs in these minerals can be explained only by making an additional ad hoc assumption on the existence of an isobaric pair of 271Bh-271Hs. This assumption could be tested by mass-spectrometric measurements of U, Pb, Kr, Xe, and Zr isotopic shifts.Comment: 5 pages, no figures. Physics of Particles and Nuclei Letters, 2006, Vol. 3, No. 3, pp. 165-168 in pres

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Section: Possible Presence Of Hs In Molybdenite and Osmiridementioning

confidence: 99%