Alpha Meson blaster

An Alpha Meson blaster was a weapon loaded with Alpha Meson, a type of energy.

River Song was known to carry one such blaster. Amongst other things, she used it to disintegrate a wooden cabinet (TV: The Pandorica Opens) and destroy a weakened Dalek. (TV: The Big Bang)

Behind the scenes

 * In the image that accompained Hour One, the first story in the multimedia series Doom's Day, the assassin Doom appears to be carrying an Alpha Meson blaster.