First evidence of nuclear polarization effects in a laser-induced $^3\mkern-1mu$He fusion plasma
arxiv(2023)
Abstract
Polarized fusion has long ago be proposed as a method to strongly increase the efficiency of fusion reactors. However, the required nuclear spin-polarization conservation in fusion plasmas has never been proven experimentally. Here we report on first experimental data suggesting an increased ion flux from a polarized $^3\mkern-1mu$He target heated by a PW laser pulse as well as evidence for an almost complete persistence of their nuclear-polarization after acceleration to MeV energies. These findings also validate the concept of using pre-polarized targets for plasma acceleration of polarized beams.
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