SAVE ☐ l Dynamics of...☐ on 80534408961 Stephen T. , Jerry B. Marion : Cengage Question Electrons and neutrinos have lepton number +1, while positrons and antineutrinos have lepton number-1. If baryon X decays to baryon Y, it could not at the same time emit Question 6Answer a. an electron and an antineutrino. b. a positron and an antineutrino. c. an electron and a positron. d. more than one of the particle combinations A, B, or C. Section... III

SAVE ☐ l Dynamics of...☐ on 80534408961 Stephen T. , Jerry B. Marion : Cengage Question Electrons and neutrinos have lepton number +1, while positrons and antineutrinos have lepton number-1. If baryon X decays to baryon Y, it could not at the same time emit Question 6Answer a. an electron and an antineutrino. b. a positron and an antineutrino. c. an electron and a positron. d. more than one of the particle combinations A, B, or C. Section... III

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter33: Particle Physics

Section: Chapter Questions

Problem 34PE: (a) Show that the conjectured decay of the proton, violates conservation of baryon number and...

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Similar questions

(a) Find the charge, baryon number, strangeness, charm, and bottomness of the particle from its quark composition. (b) Do the same for the particle.
How can the lifetime of a particle indicate that its decay is caused by the strong nuclear force? How can a change in strangeness imply which force is responsible for a reaction? What does a change in quark ?avor imply about the force that is responsible?
(a) Show that the conjectured decay of the proton, violates conservation of baryon number and conservation of lepton number. (b) What is the analogous decay process for the antiproton?
(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.
The 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?
The quarks in a particle are con?ned, meaning individual quarks cannot be directly observed. Are gluons con?ned as well? Explain
(a) Show than all combinations of three quarks produce integral changes. Thus baryons must have integral charge. (b) Show than all combinations at a quark and an antiquark produce only integral charges. Thus mesons must have integral change.
Integrated Concepts Plans for an accelerator that produces a secondary beam of Kmesons to scatter from nuclei, for the purpose of studying the strong force, call for them to have a kinetic energy of 500 MeV. (a) What would the relativistic quantity be for these particles? (b) How long would their average lifetime be in the laboratory? (c) How far could they travel in this time?
(a) What particle has the quark composition u-u-d? (b) What should its decay made be?
Gluons and the photon are massless. Does this imply that the W+, W-, and Z0 are the ultimate carriers of the weak force?
Another component of the strong nuclear force is transmitted by the exchange of virtual Kmesons. Taking Kmesons to have an average mass of what is the approximate range at this component of the strong force?
What two major limitations prevent us from building highenergy accelerators that are physically small?