Quantum and medical imaging

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Across
  1. 2. The interaction of waves that results in regions of reinforcement or cancellation.
  2. 6. function The minimum energy required to remove an electron from a metal surface.
  3. 11. The wavelength associated with a moving particle, illustrating wave-particle duality.
  4. 13. The thickness of a material needed to reduce an X-ray beam’s intensity by half.
  5. 14. A property of a material that affects the transmission and reflection of sound waves in medical imaging
  6. 16. Radioactive substances used in nuclear medicine to track processes inside the body.
  7. 17. The lowest energy level an electron can occupy in an atom.
  8. 18. A device that produces X-rays by accelerating electrons toward a metal target
  9. 20. Distinct wavelengths of light emitted or absorbed by atoms, characteristic of specific elements
  10. 22. The emission of electrons from a metal surface when exposed to light of sufficient energy.
  11. 25. A specific, quantized level of energy that an electron can occupy in an atom.
  12. 26. Substances used to enhance the visibility of internal structures in X-ray imaging
  13. 27. A narrow, focused X-ray beam that reduces scatter and improves image quality
Down
  1. 1. A property of certain crystals that generate an electric charge when subjected to mechanical stress, used in ultrasound.
  2. 3. The bending and spreading of waves when they pass through a narrow opening or around obstacles.
  3. 4. High-energy radiation used in PET scanning to detect positron emissions
  4. 5. The minimum frequency of light required to eject electrons from a material in the photoelectric effect.
  5. 7. Restricted to discrete values rather than a continuous range, as in atomic energy levels.
  6. 8. The process of reducing reflection by ensuring similar acoustic properties between two media.
  7. 9. The antimatter counterpart of electrons, emitted during PET scans
  8. 10. The splitting of light into its component colors due to differences in wave speed through a medium.
  9. 12. A unit of energy commonly used in atomic and particle physics, equivalent to the energy gained by an electron moving through a one-volt potential difference.
  10. 15. The reduction in X-ray intensity as it passes through a material
  11. 19. Discrete packets of light energy, behaving as both particles and waves
  12. 21. The difference in brightness between different structures in an X-ray image.
  13. 23. A component in some X-ray tubes that spins to distribute heat and prevent damage.
  14. 24. The path between two detectors in PET scanning, indicating where a positron annihilation occurred.