Well the planet Earth has a nice shield with exactly this issue. Particles are channeled to the north and south poles, where they hit the atmosphere and generat

Well the planet Earth has a nice shield with exactly this issue. Particles are channeled to the north and south poles, where they hit the atmosphere and generate the colourful aurora in the sky :) So perhaps there's going to be a cool spaceship with it's own aurora?! Or you could try and channel the particles into a collecting device, bombard them into a fluid, trigger muon generation and try to catalyse a fusion reaction. Probably wouldn't break even but it'd be fun to try.