antiparticle beam[核] 反粒子束
particle antiparticle conjugation正反粒子共轭
particle-antiparticle pair子
particle-antiparticle intrinsic space正反粒子内部空间
particle-antiparticle quantum number正反粒子量子数
The antiparticle of a nucleon反核子核子的反粒子
particle-antiparticle degrees of freedom正反粒子自由度
particle-antiparticle quantum number-正
N（名词） any of a group of elementary particles that have the same mass and spin as their corresponding particle but have opposite values for all other nonzero quantum numbers. When a particle collides with its antiparticle, mutual annihilation occurs 反粒子