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17Ne (93TI07)(See the Isobar Diagram for 17Ne)
The half-life of 17Ne has been reported as 109.0 ± 1.0 msec (71HA05) and 109.3 ± 0.6
msec (88BO39): the weighted
mean is 109.2 ± 0.6 and we adopt it. The decay is primarily to the proton unstable states
of 17F at 4.65, 5.49, 6.04 and 8.08 MeV with Jπ
= 3/2-, 3/2-, 1/2- and 3/2-, but decay to alpha
unstable states has also been observed: see Table 17.27 (in PDF or PS). The super-allowed decay to the analog state
[17F*(11.20)] has log ft= 3.29+0.04-0.07. The character
of the decay leads to Jπ = 1/2- for
17Neg.s. (71HA05). See Table 17.6 (in PDF or PS) for a comparison of the mirror 17N
and 17Ne decays and Table 17.16 (in PDF or PS) for the decay of 17F*(11.20). See
also (86AJ04), and see the recent
analysis of GT beta-decay rates of (93CH06).
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