Any of a family of subatomic particles,including the nucleon and hyperon multiplets,that participate in strong interactions,are composed of three quarks,and are generally more massive than mesons.

 
  • 激(發(fā)核)子,重子微原子粒子家族中的一員,包括核子和超子多重譜線(xiàn),由三夸克組成,一般比介子要重,會(huì )發(fā)生很強烈的內部反應。
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