Draw Feynman diagrams for the following processes: (a) an electron emits a photon and (b) an electron absorbs a photon
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Draw Feynman diagrams for the following processes: (a) an electron emits a photon and (b) an electron absorbs a photon
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- Under the right circumstances, a photon of high enough energy can give rise to an electron-positron pair. What minimum energy photon is required?. Suppose a quanton's wavefunction at a given time is y(x) = A[1 + (x/a)2]-¹, where A is an unspecified constant and a = 4.0 nm. According to the table integrals dx √ [1 + (x/a)²]² = 1 + (x/a)²+2tan ¹ (2) If we were to perform an experiment to locate the quanton at this time, what would the probability of a result between x = 0 and x = 8.0 nm?What is β for a particle with (a) K = 5.29 E0 and (b) E = 5.29 E0?