Abstract:The astrophysical sites where r-process elements are synthesized remain mysterious: it is clear that neutron star mergers (kilonovae (KNe)) contribute, and some classes of core-collapse supernovae (SNe) are also possible sources of at least the lighter r-process species. The discovery of 60Fe on the Earth and Moon implies that one or more astrophysical explosions have occurred near the Earth within the last few million years, probably SNe. Intriguingly, 244Pu has now been detected, mostly overlapping with 60Fe… Show more
For the ultrasensitive determination of 244Pu by Accelerator Mass Spectrometry, a suitable methodology was developed at the IFIN-HH AMS laboratory. Alpha Spectrometry was used to verify the performance of the...
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