Abstract:I review the situation regarding the ground and low-lying states of 10 He, with special emphasis on the reaction 8 He(t,p). I present calculations of relative cross sections for 0 + and 1 − states. I conclude that the strong state reported near 5.5 MeV is probably not 1 − .
Using results from various reactions that populate 10He, I conclude that the ground state has E2n = 1.07(7) MeV and the excited 0+ state is in the region of 2.1–3.1 MeV. The amount of the (sd)2 component in the ground state is less than about 0.075.
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