Problem Set 11 & Solutions

Problem Set 11 & Solutions - (Assume that the sphere is...

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Phys116 Problem Set 11 Due: Wednesday , Dec. 3, 2003 before the start of class. (so that we can return the problem sets on Friday) Please write your TA’s name at the top of your solution set. Communicate your reasoning in your solutions, concisely and clearly. Efforts are as important as correct answers. 1. K&K, problem 12.5. 2. At the Cornell accelerator CESR, each electron has an energy E = 5 GeV . (A GeV is 10 9 eV.) What is the electron's speed? (You will need quite a few significant figures.) 3. K&K, problem 12.7. 4. K&K, problem 13.5. 5. K&K, problem 13.10.
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Unformatted text preview: (Assume that the sphere is highly polished, so that all the light reflects directly back. You may also assume that the photon energy is much less than the rest mass energy of the sphere.) 6. The p meson (rest energy m p c 2 = 135 MeV) decays into two photons. (a) Find the energy of the two photons if the p is at rest when it decays. (b) Suppose that the p has energy of 1 GeV in the lab at the time when it decays. Find the energies of the two photons in the lab if one emerges in the direction in which the p was traveling....
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