Across
- 3. the resultant of a free electron and the now positively charged atom (2 words)
- 4. nucleus absorbs the neutron and emits a gamma ray, referred to as a "________ gamma"
- 8. the average amount of energy absorbed locally in a medium by the passing of an incident particle per distance travelled. Abv.
- 10. compares shield effectiveness across materials
- 13. the most effective means of slowing down fast neutrons
- 14. gradual loss in intensity
- 15. Charged particle emission following a ____-10 absorption of a neutron
- 16. In Compton Scattering, the photon leaves with lower energy and increased __________
Down
- 1. a German term which means braking radiation
- 2. the probability of occurrence is related to the z^2 of the shield material
- 5. "____ power" the amount of energy lost by the particle per distance travelled in a medium
- 6. "_______ scattering" when a neutron collides with a heavy nucleus
- 7. In a cloud chamber, these particles path makes many deviations
- 9. process where the energy transferred to an orbital electron by incident radiation is insufficient to completely remove it from the atom
- 11. this is ejected from its orbit and the photon ceases to exist
- 12. for air the value is 33.9 eV. 2 words.
- 14. In a cloud chamber, these particles path is mainly straight