antiparticle (Crossword)

If the answer you seek is not in the answers above these definitions may help solving your crossword puzzle.

• A particle and its antiparticle have a number of opposite properties
• Elementary particle having the same mass and spin as the given elementary particle
• The antiparticle of an elementary particle has the same mass and spin as the particle
• A particle that has the same mass as another particle but has opposite values for its other properties
• A subatomic particle with the same-size properties as those of the particle although some may have the opposite sign
• Subatomic particle having the same mass as one of the particles of ordinary matter but opposite electric charge and magnetic moment
• In nuclear physics, a particle corresponding in mass and properties to a given elementary particle but with the opposite electrical charge
• Corresponding to most kinds of particles, there is an associated antiparticle with the same mass and opposite charge (including electric charge)
• For every fermion type there is another fermion type that has exactly the same mass but the opposite value of all other charges (quantum numbers)