NEW NUCLIDES 19NA AND 23AL OBSERVED VIA (P, 6HE) REACTION

被引:40
作者
CERNY, J
MENDELSO.RA
WOZNIAK, GJ
ESTERL, JE
HARDY, JC
机构
[1] Department of Chemistry, Lawrence Radiation Laboratory, University of California, Berkeley
关键词
D O I
10.1103/PhysRevLett.22.612
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
By employing the reactions Mg24(p,He6)Na19 and Si28(p,He6)Al23 [dd100 nb/sr], the mass excesses of Na19 and Al23 are found to be 12.974 0.070 and 6.766 0.080 MeV, respectively [C12 = 0]. Since Na19 is determined to be proton unstable, Al23 should be the lightest, nucleon-stable member of the A=4n+3, TZ=-32 mass series. © 1969 The American Physical Society.
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页码:612 / &
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