Across
- 5. - Theoretical one-dimensional object.
- 7. - Particle made of three quarks.
- 13. - Mediates the strong force.
- 14. - Opposite of a particle.
- 16. - Meson particle.
- 18. - Unseen, unexplained matter in the universe.
- 19. - Property of quarks in the strong interaction.
- 21. - Theoretical extension of particle physics.
- 23. - Counterpart to normal matter.
- 25. - Lack of symmetry in particle properties.
- 26. - Principle in particle physics.
- 27. - Subatomic particle in atomic nuclei.
- 29. - Nearly massless subatomic particle.
Down
- 1. - Particle associated with the Higgs field.
- 2. - Force-carrying particle.
- 3. - Handedness of particle spin.
- 4. - Force binding quarks together.
- 6. - European particle physics laboratory.
- 7. - Particle name that sounds like a street.
- 8. - Hypothetical extension of the Standard Model.
- 9. - Fundamental force of attraction.
- 10. - Short-lived particle state.
- 11. - World of the very small.
- 12. - Elementary particle in protons and neutrons.
- 15. - Unit of magnetic moment.
- 17. - Family of lightweight subatomic particles.
- 20. - Subatomic particle in atomic nuclei.
- 22. - Particle made of a quark and antiquark.
- 24. - Particles with half-integer spins.
- 28. - Force responsible for some types of radioactive decay.
