The Physics of Everyday Phenomena
8th Edition
ISBN: 9780073513904
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Question
Chapter 21, Problem 3CQ
To determine
Whether quarks are the constituents of electrons and explain the reason.
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Students have asked these similar questions
The reaction below shows an interaction between a quark and a lepton. The X represents an
unknown particle.
d +e+ → X + Ve
a. What must be the charge of X?
b. What must be the baryon number of X?
c. What must be the lepton number of X?
d. What is particle X?
List the flavors of quark.
Explain the theory of quark confinement.
Chapter 21 Solutions
The Physics of Everyday Phenomena
Ch. 21 - Prob. 1CQCh. 21 - Prob. 2CQCh. 21 - Prob. 3CQCh. 21 - Prob. 4CQCh. 21 - Prob. 5CQCh. 21 - Prob. 6CQCh. 21 - Prob. 7CQCh. 21 - How do we know that the universe is expanding?...Ch. 21 - Prob. 9CQCh. 21 - Prob. 10CQ
Ch. 21 - Prob. 11CQCh. 21 - Prob. 12CQCh. 21 - Describe two astronomical discoveries that provide...Ch. 21 - Prob. 14CQCh. 21 - Prob. 15CQCh. 21 - Prob. 16CQCh. 21 - Prob. 17CQCh. 21 - Prob. 18CQCh. 21 - Prob. 19CQCh. 21 - Prob. 20CQCh. 21 - Prob. 21CQCh. 21 - Prob. 22CQCh. 21 - Prob. 23CQCh. 21 - Prob. 24CQCh. 21 - Prob. 25CQCh. 21 - Prob. 26CQCh. 21 - Prob. 27CQCh. 21 - Prob. 28CQCh. 21 - Prob. 1ECh. 21 - Prob. 2ECh. 21 - Prob. 1SP
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- (a) Do all particles having strangeness also have at least one strange quark in them? (b) Do all hadrons with a strange quark also have nonzero strangeness?arrow_forward(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_forwardHow can quarks, which are fermions, combine to form bosons? Why must an even number combine to form a boson? Give one example by stating the quark substructure of a boson.arrow_forward
- What evidence exists for the existence of quarks?arrow_forwardThe total energy in the beam of an accelerator is far greater than the energy of the individual beam particles. Why isn't this total energy available to create a single extremely massive particle?arrow_forwardWhat is the motivation behind grand unification theories?arrow_forward
- What are the six known quarks? Summarize their properties.arrow_forwardBased on quark composition of a proton, show that its charge is +1.arrow_forwardIf the Higgs boson is discovered and found to have mass, will it be considered the ultimate carrier of the weak force? Explain your response.arrow_forward
- Match these particle physics descriptions A class of particles that consist of two quarks An electron is a member of this class of particles. A proton is a member of this class of particles A class of particles that experiences the weak but not the strong nuclear force. A class of particles that consist of three quarks A class of particles that experiences strong and weak nuclear forces. 1. Hadrons 2.Mesons 3.Baryons 4.Leptonsarrow_forwardA proton is made of which 3 types of quarks? Group of answer choices A: UP - DOWN - DOWN B: UP - TOP - DOWN C: UP - UP - UP D: UP - DOWN - CHARM E: UP - UP - DOWN F: DOWN - UP - DOWNarrow_forward
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