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16B (1993TI07)
(Not illustrated)
This nucleus has not been observed in the 4.8 GeV proton bombardment
of a uranium target. It is particle unstable. Its mass excess is
predicted to be 37.97 MeV; it would then be unstable with respect to
decay into 15B + n by 0.93 MeV. See (1985WA02,
1986AJ04).
The ground state is predicted to have Jπ = 0-
and the first three excited states are predicted to lie at 0.95, 1.10, and
1.55 MeV [Jπ = 2-, 3-,
4-] in a (0 + 1)ℏω space
shell model calculation. See (1983ANZQ,
1985PO10,
1986AJ04). Predicted
masses and excitation energies for higher isospin multiplets for
9 ≤ A ≤ 60 are included in the compilation (1986AN07).
An
experiment (1985LA03) involving in-flight identification of fragments
from 44 MeV/u 40Ar found no trace of 18B or
16B and provides strong evidence that 16B is particle-unstable.