Near-threshold resonances in 11C and the 10B(p,α)7Be aneutronic reaction cross section
Abstract
The nucleus 11C plays an important role in the boron-proton fusion reactor environment as a catalyzer of the 10B(p,α)7Be reaction which, by producing a long-lived isotope of 7Be, poisons the aneutronic fusion process 11B(p,2α)4He. The low-energy cross section of 10B(p,α)7Be depends on the near-threshold states 7/2+1 , 5/2+2 , 5/2+3 in 11C whose properties are primarily known from the indirect measurements. We investigate the continuum-coupling induced collectivization of these resonances in the shell model embedded in the continuum. We predict a significant enhancement of the 10B(p,α)7Be cross section at energies accessible to the laser-driven hot plasma facilities.
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