Exotic particle: Exotic bound states comprising more than three quarks confirmed

For decades, physicists have searched in vain for exotic bound states comprising more than three quarks. Experiments have now shown that, in fact, such complex particles do exist in nature. The measurements confirm first results from 2011 for the existence of an exotic dibaryon made up of six quarks.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/s...