Particles and Radiation Revision 0.0 / 5 ? PhysicsParticle physicsQuantum physicsA2/A-levelAQA Created by: elenasimpson_Created on: 04-03-23 13:24 58410271369 Across 1. A quantum number that is conserved in strong interactions but not in weak interactions. (11) 6. A type of lepton that decays into electrons. (4) 8. A type of meson that decays into pions. (4) 9. a discrete packet of energy (6) 10. A proton or neutron. (7) Down 2. A quantum number that is conserved in all particle interactions. (6) 3. The process of an electron taking in exactly the right quantity of energy to move to a higher energy level. (10) 4. unstable nuclei decay in an attempt to become (..) (6) 5. The exchange particles that transmit the four fundamental interactions between particles. (5, 5) 7. Same number of protons but different numbers of neutrons. (7)
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