Question: In 1933, Blacket and Occhialini discovered several e+e - in the electromagnetic showers from cosmic rays in a Wilson chamber. The magnetic field was B

In 1933, Blacket and Occhialini discovered several e+e^- in the electromagnetic showers from cosmic rays in a Wilson chamber. The magnetic field was B = 0.3 T. In one event both the negative and the positive tracks described arcs of radius R = 14 cm. Calculate their energy.

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