noun
EXAMPLES FROM CORPUS
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Because the particle and antiparticle in effect cancel each other out, their appearance together does not violate the laws of physics.
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From the observed absence of such annihilation radiation we can conclude that our galaxy is made entirely of particles rather than antiparticles.
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In the same way that matter is constituted of fundamental particles, antiparticles are the building blocks of antimatter.
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The laws of physics seem to be the same for particles and antiparticles.
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The reason is that the laws of physics are not quite the same for particles and antiparticles.
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Two antiparticles could therefore be drawn together by antigravity, but a particle of matter would be repelled by an antiparticle.