orientation: temperature and radiation

How does radiation (photons) interacts with an oriented ensemble of nuclei? And how does temperature affects this interaction? In this video, you’ll learn how increasing the temperature leads to more isotropic ensembles, and you’ll understand how you can notice this change by observing the absorption of radiation.

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After having watched this video, have a look at this picture, and write your answer to the two questions underneath the picture into the forum: picture for question The two questions:
  • (1) Which information about the nucleus ánd which information about the hyperfine interaction can you infer, when given the picture above?
  • (2) Describe the orientation of a nuclear ensemble in the conditions given in the picture above, at low temperature.
Write you answers in this forum. After having submitted yours, feel free to comment respectfully on the answers of your colleagues:

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Expected time: 20 minutes (report)

B09-02

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