Physics – Nuclear Physics
Scientific paper
Apr 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000nupha.669..351s&link_type=abstract
Nuclear Physics A, Volume 669, Issue 3-4, p. 351-367.
Physics
Nuclear Physics
23
Scientific paper
The neutron-rich 57-59Ti, 59-62V, 61-64Cr, 63-66Mn, 65-68Fe, 67-70Co have been produced at GANIL via interactions of a 60.4 MeV/u 86Kr34+ with a 58Ni target. They have been separated by the doubly achromatic spectrometer LISE3. Beta-decay half-lives have been determined for all produced nuclei, and subsequent /γ-rays have been observed for the most efficiently produced nuclei. The measured half-lives of vanadium and chromium isotopes are compared to QRPA calculations using ground states deformations from the FRDM or ETFSI models. In an astrophysical context, the short half-lives of 58Ti and 64Cr indicate that these nuclei are potential r-process progenitors, after /β-decay, of 58Fe and 64Ni in certain inclusions of meteorites.
Axelsson L.
Belleguic M.
Beraud R.
Borcea Ciprian
Canchel G.
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