Stanford Encyclopedia of Philosophy
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Supplement to Experiment in Physics

Figure 18

Figure 18

Figure 18. (a) Coincidence counting rate versus angle between the electron and the recoil nucleus, for electrons in the energy range 2.5-4.0 mc2. (b) Coincidence counting rate versus electron energy for an angle of 180o between the electron and the recoil nucleus. From Rustad and Ruby (1953) .