Highly Proton-RichTz=−2Nuclides:C8andMg20
- 27 May 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 32 (21), 1207-1209
- https://doi.org/10.1103/physrevlett.32.1207
Abstract
Two nuclides with a proton excess of 4 have been produced via the () reaction, and their masses measured. The mass excess of is 35.30 ± 0.20 MeV, and is therefore unbound with a measured width of keV. The mass excess is 0.57 MeV less than the Kelson-Garvey prediction. For , a mass excess of 17.74 ± 0.21 MeV is found, indicating that is nucleon stable. Knowledge of the mass permits for the first time a test of the isobaric multiplet mass equation in an isobaric quintet, and good agreement is found.
Keywords
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