College Physics: Explore And Apply, Volume 2 (2nd Edition)
2nd Edition
ISBN: 9780134862910
Author: Eugenia Etkina, Gorazd Planinsic, Alan Van Heuvelen, Gorzad Planinsic
Publisher: PEARSON
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Question
Chapter 30, Problem 4P
To determine
The energy in electrons, and volts, frequency, and wavelength of each photon that is produced in the proton-antiproton annihilation process given that both the particles have negligible kinetic energy.
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A neutral pion (º= uu or dd) decays while at rest into two photons (y).
135MeV/c²
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a) What is the angle between the two photons?
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A muon, or mu meson, has the same charge as an electron, but is 207 times as massive.
a) Compared with electron-positron pair production, the pair production of a muon and antimuon requires a photon of what energy?
E = _____ MeV
b) What would be the minimum frequency for such a photon?
f = _________ Hz
1. An electron and a positron are moving side by side in the x direction at 0.500c when they
annihilate each other. Two photons are produced that move along the x axis. (a) Do both
photons move in the x direction? (b) What is the energy of each photon?
Chapter 30 Solutions
College Physics: Explore And Apply, Volume 2 (2nd Edition)
Ch. 30 - Prob. 1RQCh. 30 - Prob. 2RQCh. 30 - Review Question 30.3 Using what you have learned...Ch. 30 - Prob. 4RQCh. 30 - Prob. 5RQCh. 30 - Prob. 1MCQCh. 30 - Prob. 2MCQCh. 30 - Prob. 3MCQCh. 30 - Prob. 4MCQCh. 30 - Prob. 5CQ
Ch. 30 - Prob. 6CQCh. 30 - Prob. 7CQCh. 30 - Prob. 8CQCh. 30 - Prob. 9CQCh. 30 - Prob. 10CQCh. 30 - Prob. 11CQCh. 30 - 12. What are the components of the Standard...Ch. 30 - Prob. 13CQCh. 30 - Prob. 14CQCh. 30 - Prob. 1PCh. 30 - Prob. 2PCh. 30 - Prob. 3PCh. 30 - Prob. 4PCh. 30 - Prob. 5PCh. 30 - 6. Use Newtonian circular motion concepts to show...Ch. 30 - Prob. 7PCh. 30 - A particle enters a cloud chamber from above...Ch. 30 - Prob. 9PCh. 30 - Prob. 10PCh. 30 - Prob. 11PCh. 30 - Prob. 12PCh. 30 - Prob. 13PCh. 30 - 14. * Make an analogy between the interactions of...Ch. 30 - Why are neutrinos difficult to detect?Ch. 30 - Prob. 16PCh. 30 - Prob. 17PCh. 30 - Prob. 18PCh. 30 - Prob. 19PCh. 30 - Prob. 20PCh. 30 - Prob. 21PCh. 30 - Prob. 22PCh. 30 - Prob. 23PCh. 30 - Prob. 24PCh. 30 - Prob. 25PCh. 30 - Prob. 26PCh. 30 - * What is inflation, and what eventually happened...Ch. 30 - Prob. 29PCh. 30 - Prob. 30PCh. 30 - Prob. 31PCh. 30 - * Our bodies contain significant amounts of...Ch. 30 - 33. * What is the evidence that a large proportion...Ch. 30 - Prob. 34PCh. 30 - 35. * What is the experimental evidence for dark...Ch. 30 - Prob. 36PCh. 30 - Prob. 37PCh. 30 - Prob. 38PCh. 30 - Prob. 39PCh. 30 - * An electron and a positron are traveling...Ch. 30 - Prob. 41GPCh. 30 - Prob. 42RPPCh. 30 - Prob. 43RPPCh. 30 - Prob. 44RPP
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- (a) Estimate the mass of the luminous matter in the known universe, given there are 1011 galaxies, each containing 1011 stars of average mass 1.5 times that of our Sun. (b) How many protons (the most abundant nuclide) are there in this mates? (c) Estimate the total number of particles in the observable universe by multiplying the answer to (b) by two, since there is an electron for each proton, and then by 109, since there are far more particles (such as photons and neutrinos) in space than in luminous matter.arrow_forward(a) Verify from its quark composition that the particle could be an excited state of the proton. (b) There is a spread of about 100 MeV in the decay energy of the interpreted as uncertainty due to its short lifetime. What is its approximate lifetime? (c) Does its decay proceed via the strong or weak force?arrow_forwardThe peak intensity of the CMBR occurs at a wavelength of 1.1 mm. (a) What is the energy in eV of a 1.1-ram photon? (b) There are approximately 109 photons for each massive particle in deep space. Calculate the energy of 10^ such photons, (c) If the average massive particle in space has a mass half that of a proton, what energy would be created by converting its mass to energy? (d) Does this imply that space is "matter dominated”? Explain briefly.arrow_forward
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