| 1. | Every local field both creates particles and annihilates the corresponding antiparticle.
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| 2. | :: : So why the asymmetry between particles and antiparticles?
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| 3. | :The particle-antiparticle duality exists because of CPT symmetry.
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| 4. | This allows the creation of particle-antiparticle pairs of virtual particles.
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| 5. | However, particle antiparticle pairs are observed to electrically attract one another.
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| 6. | Since neutral kaons carry strangeness, they cannot be their own antiparticles.
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| 7. | The antimatter weapon core would have to consist primarily of neutral antiparticles.
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| 8. | You can only say " antiparticle " if it has a charge.
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| 9. | You can annihilate a photon with the photon s antiparticle.
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| 10. | However, the photon s antiparticle is just another photon.
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