Double-Polarized Fusion (original) (raw)

Abstract

In a collaboration between IKP, FZ Jülich, PNPI and ITMO, St. Petersburg, the influence of nuclear polarized projectiles on the differential and total cross section will be investigated for the dd-fusion reactions at low ener-gies. For the 3 He(d, p) 4 He and the t(d, n) 4 He reaction it was expected and has been shown, that aligned spins will increase the fusion rate by a factor up to 1.5 [1] because both reactions have a J π = 3/2 + resonance at energies below 100 keV. For the d + d reactions no valid theoretical guidance exists [2]. The knowledge of the complete reaction matrix may allow to control the neutron rate in a fusion reactor and, therefore, to optimize the energy transport from the fusion plasma to the reactor walls. In addition, the lifetime of the reactor walls can be maximized, which will decrease the cost of investments for fusion energy.

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