Your job is to build two calorimeters back to back. One will detect pions and the other electrons. The metals you will use are lead and uranium. Here are the basic components of each of your calorimeters.

You have to experiment with your calorimeters in a test beam to see that they

• trap pions in one calorimeter and electrons in the other for all possible beam energies.
• each have enough slabs to capture all the energy for particles in the test beam.
• do not have more slabs than you need because we cannot go over budget. These slabs and detectors are expensive!

When you are done, answer these questions for your report and you can earn Einstein bucks!

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