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(3) A gamma-ray photon with an energy of 1 GeV collides with a stationary proton. The photon scatters backwards, opposite the direction it had before the collision. The proton scatters in the direction that the photon had before the collision. (a) What is the energy of the scattered photon? (b) What is the momentum of the scattered photon? (c) What is the kinetic energy of the scattered proton? (d) What is the momentum of the scattered proton? (e) The Sun generates energy because of muclear reactions that occur in its core. A sequence of reactions that do this is called the PP I chain (pronounced "p p one chain"). In the PP I chain, four protons fuse into a helium-4 nucleus and two positrons, since charge is conserved. Also emitted are two neutrinos, since angular momentum is conserved. The neutrinos have no charge and negligible mass. Assume all motion in the PP I chain is non-relativistic, except for the neutrinos. How many MeV of energy does one PP I chain generate? Include the energy generated by the positrons annihilating with electrons that must already be in the Sun, since the Sun is electrically neutral. (Look up the masses of a proton, an electron, and a helium-4 nucleus, which is also called an alpha particle.)

(3) A gamma-ray photon with an energy of 1 GeV collides with a stationary proton. The photon scatters backwards, opposite the direction it had before the collision. The proton scatters in the direction that the photon had before the collision. (a) What is the energy of the scattered photon? (b) What is the momentum of the scattered photon? (c) What is the kinetic energy of the scattered proton? (d) What is the momentum of the scattered proton? (e) The Sun generates energy because of muclear reactions that occur in its core. A sequence of reactions that do this is called the PP I chain (pronounced "p p one chain"). In the PP I chain, four protons fuse into a helium-4 nucleus and two positrons, since charge is conserved. Also emitted are two neutrinos, since angular momentum is conserved. The neutrinos have no charge and negligible mass. Assume all motion in the PP I chain is non-relativistic, except for the neutrinos. How many MeV of energy does one PP I chain generate? Include the energy generated by the positrons annihilating with electrons that must already be in the Sun, since the Sun is electrically neutral. (Look up the masses of a proton, an electron, and a helium-4 nucleus, which is also called an alpha particle.)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Parts d-e

(3) A gamma-ray photon with an energy of 1 GeV collides with a stationary proton. The photon scatters backwards, opposite the direction it had before the collision. The proton scatters in the direction that the photon had before the collision. (a) What is the energy of the scattered photon? (b) What is the momentum of the scattered photon? (c) What is the kinetic energy of the scattered proton? (d) What is the momentum of the scattered proton? (e) The Sun generates energy because of muclear reactions that occur in its core. A sequence of reactions that do this is called the PP I chain (pronounced "p p one chain"). In the PP I chain, four protons fuse into a helium-4 nucleus and two positrons, since charge is conserved. Also emitted are two neutrinos, since angular momentum is conserved. The neutrinos have no charge and negligible mass. Assume all motion in the PP I chain is non-relativistic, except for the neutrinos. How many MeV of energy does one PP I chain generate? Include the energy generated by the positrons annihilating with electrons that must already be in the Sun, since the Sun is electrically neutral. (Look up the masses of a proton, an electron, and a helium-4 nucleus, which is also called an alpha particle.)
Transcribed Image Text:(3) A gamma-ray photon with an energy of 1 GeV collides with a stationary proton. The photon scatters backwards, opposite the direction it had before the collision. The proton scatters in the direction that the photon had before the collision. (a) What is the energy of the scattered photon? (b) What is the momentum of the scattered photon? (c) What is the kinetic energy of the scattered proton? (d) What is the momentum of the scattered proton? (e) The Sun generates energy because of muclear reactions that occur in its core. A sequence of reactions that do this is called the PP I chain (pronounced "p p one chain"). In the PP I chain, four protons fuse into a helium-4 nucleus and two positrons, since charge is conserved. Also emitted are two neutrinos, since angular momentum is conserved. The neutrinos have no charge and negligible mass. Assume all motion in the PP I chain is non-relativistic, except for the neutrinos. How many MeV of energy does one PP I chain generate? Include the energy generated by the positrons annihilating with electrons that must already be in the Sun, since the Sun is electrically neutral. (Look up the masses of a proton, an electron, and a helium-4 nucleus, which is also called an alpha particle.)
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