Particle stability of the isotopes O-26 and Ne-32 in the reaction 44 MeV/nucleon Ca-48 + Ta

Guillemaud-Mueller, D.; Jacmart, J.C.; Kashy, E.; Latimier, A.; Mueller, A.C.; Pougheon, F.; Richard, A.; Penionzhkevich, Yu.E.; Artuhk, A.G.; Belozyorov, A.V.

doi:10.1103/PhysRevC.41.937

Particle stability of the isotopes O-26 and Ne-32 in the reaction 44 MeV/nucleon Ca-48 + Ta

Mar, 1990

4 pages

Published in:

Phys.Rev.C 41 (1990) 937-941

DOI:

10.1103/PhysRevC.41.937

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Abstract: (APS)

An attempt has been made to synthesize the extremely neutron-rich isotope O26 in the nuclear reaction 44 MeV/nucleon Ca48+n/rTa. Use was made of magnetic separation and identification methods including time-of-flight and ΔE,E measurements. The O26 nucleus appears to be unstable against particle emission since no events attributable to the O26 nucleus were observed at a level one order of magnitude lower than that predicted from the extrapolated yields. The previously unobserved isotope Ne32 was found to be particle stable and the isotope Ne31 particle unstable. Neutron-separation energies calculated with different models are tabulated.

27.30.+t
23.90.+w
07.75.+h
25.70.Np

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