Isobaric Mass Quartets in the Mass-21 and Mass-37 Nuclei
1973; American Institute of Physics; Volume: 8; Issue: 1 Linguagem: Inglês
10.1103/physrevc.8.210
ISSN1538-4497
AutoresW. Benenson, E. Kashy, I.D. Proctor,
Tópico(s)Atomic and Molecular Physics
ResumoThe $^{40}\mathrm{Ca}$($^{3}\mathrm{He}$, $^{6}\mathrm{He}$)$^{37}\mathrm{Ca}$ reaction has been used to measure the mass of $^{37}\mathrm{Ca}$ in its ground and first excited states. The mass of $^{37}\mathrm{Ar}$ and $^{37}\mathrm{K}$ in their lowest $T=\frac{3}{2}$ states was also measured. The $^{24}\mathrm{Mg}$($^{3}\mathrm{He}$, $^{6}\mathrm{He}$)$^{21}\mathrm{Mg}$ reaction was used as a calibration, and consequently the energies of several excited states of $^{21}\mathrm{Mg}$ were measured. The mass-37 measurements give new precision values for the coefficients of the isobaric multiplet mass equation, and the excited states in $^{21}\mathrm{Mg}$ are members of quartets in the mass-21 nuclei.
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