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20N (1987AJ02)(Not illustrated)
20N is particle stable. Its atomic mass excess is 21.64 ±
0.26 MeV (1986VI09), 22.20 ±
0.36 MeV (1986GI10), 21.62 ±
0.14 MeV (1987GI1E). We adopt 21.62
± 0.14 MeV. 20N is then stable with respect to
19N + n by 2.32 MeV (see 19N). The
half-life of 20N is 100+30-20 msec,
Pn ≈ 61% (1987MU1J; prelim.). See
also (1984KL06; theor.). See
also (1985PIZZ, 1986PI09), (1983WI1A,
1984HI1A, 1986AN07, 1986GU1D)
and (1983ANZQ; theor.).
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