Dark Matter Annihilation Can Produce a Detectable Antihelium Flux through <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mover accent="true"><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mi>b</mml:mi></mml:msub></mml:math> Decays
Physical review letters