Physics for Scientists and Engineers with Modern Physics
4th Edition
ISBN: 9780131495081
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Chapter 43, Problem 42P
To determine
The quark combination needed to produce a
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(b) A K+ meson composed of a up-quark and a strange-antiquark has the
following major decay modes:
i. K+ → µtvµ
ii. K+ + 7°e+e
iii. K+ + n+0
iv. K+ → n+°7°
Draw a Feynman diagram for cach of these decays and indicate whether these
procced via the clectromagnetic, strong or weak interaction, or a combination
thereof?
(i)
Discuss the quark model and explain how mesons and baryons are formed using quarks?
(ii)
Classify the verify types of elementary particles in reference to their lepton number, baryon
number and isospin.
(III) What magnetic field B is needed to keep 998-GeV
protons revolving in a circle of radius 1.0 km? Use the
relativistic mass. The proton's “rest mass" is 0.938 GeV/c².
(1 GeV = 10° eV.) [Hint: In relativity, m,elv²/r = qvB_is
still valid in a magnetic field, where mrel =
Ym.]
Chapter 43 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 43.1 - Prob. 1AECh. 43.2 - Prob. 1CECh. 43.9 - Prob. 1DECh. 43.9 - Prob. 1EECh. 43 - Prob. 1QCh. 43 - If a proton is moving at very high speed, so that...Ch. 43 - Prob. 3QCh. 43 - Prob. 4QCh. 43 - Prob. 5QCh. 43 - Prob. 6Q
Ch. 43 - Prob. 7QCh. 43 - Prob. 8QCh. 43 - Prob. 9QCh. 43 - Prob. 10QCh. 43 - Prob. 11QCh. 43 - Prob. 12QCh. 43 - Prob. 13QCh. 43 - Prob. 14QCh. 43 - Prob. 15QCh. 43 - Prob. 16QCh. 43 - Prob. 17QCh. 43 - Prob. 18QCh. 43 - Prob. 19QCh. 43 - Prob. 20QCh. 43 - Prob. 1PCh. 43 - Prob. 2PCh. 43 - Prob. 3PCh. 43 - Prob. 4PCh. 43 - Prob. 5PCh. 43 - Prob. 6PCh. 43 - Prob. 7PCh. 43 - Prob. 8PCh. 43 - Prob. 9PCh. 43 - Prob. 10PCh. 43 - Prob. 11PCh. 43 - Prob. 12PCh. 43 - Prob. 13PCh. 43 - Prob. 14PCh. 43 - Prob. 15PCh. 43 - Prob. 16PCh. 43 - Prob. 17PCh. 43 - Prob. 18PCh. 43 - Prob. 19PCh. 43 - Prob. 20PCh. 43 - Prob. 21PCh. 43 - Prob. 22PCh. 43 - Prob. 23PCh. 43 - Prob. 24PCh. 43 - Prob. 25PCh. 43 - Prob. 26PCh. 43 - Prob. 27PCh. 43 - Prob. 28PCh. 43 - Prob. 29PCh. 43 - Prob. 30PCh. 43 - Prob. 31PCh. 43 - Prob. 32PCh. 43 - Prob. 33PCh. 43 - Prob. 34PCh. 43 - Prob. 35PCh. 43 - Prob. 36PCh. 43 - Prob. 37PCh. 43 - Prob. 38PCh. 43 - Prob. 39PCh. 43 - Prob. 40PCh. 43 - Prob. 41PCh. 43 - Prob. 42PCh. 43 - Prob. 43PCh. 43 - Prob. 44PCh. 43 - Prob. 45PCh. 43 - Prob. 46GPCh. 43 - Prob. 47GPCh. 43 - Prob. 48GPCh. 43 - Prob. 49GPCh. 43 - Prob. 50GPCh. 43 - Prob. 51GPCh. 43 - Prob. 52GPCh. 43 - Prob. 53GPCh. 43 - Prob. 54GPCh. 43 - Prob. 55GPCh. 43 - Prob. 56GPCh. 43 - Prob. 57GPCh. 43 - Prob. 58GPCh. 43 - Prob. 59GPCh. 43 - Prob. 60GPCh. 43 - Prob. 61GPCh. 43 - Prob. 62GPCh. 43 - Prob. 63GPCh. 43 - Prob. 64GPCh. 43 - What fraction of the speed of light c is the speed...Ch. 43 - Prob. 66GPCh. 43 - Prob. 67GP
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- (a) Is the decay possible considering the appropriate conservation laws? State why or why not. (b) Write the decay in terms of the quark constituents of the particles.arrow_forwardHow 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?arrow_forward(a) Is the decay possible considering the appropriate conservation laws? Stale why or why not. (b) Write the decay in terms of the quark constituents of the particles.arrow_forward
- The quarks in a particle are con?ned, meaning individual quarks cannot be directly observed. Are gluons con?ned as well? Explainarrow_forwardBased on quark composition of a proton, show that its charge is +1.arrow_forwardThe primary decay mode for the negative pion is +v . (a) What is the energy release in MeV in this decay? (b) Using conservation of momentum, how much energy does each of the decay products receive, given the is at rest when it decays? You may assume the muon antineutrino is massless and has momentum p = E/c , just like a photon.arrow_forward
- Explain how conservation of baryon number is responsible for conservation of total atomic mass (total number at nucleons) in nuclear decay and reactions.arrow_forwardMesons should be made up of an even number of quarks. Give reason?arrow_forward(a) Is the decay ʌ0 → n + π0 possible considering the appropriate conservation laws? State why or why not.(b) Write the decay in terms of the quark constituents of the particles.arrow_forward
- (a) Is the decay Λ0 → n + π0 possible considering the appropriate conservation laws? State why or why not.(b) Write the decay in terms of the quark constituents of theparticles.arrow_forwardConsider the decay process K+→лº with the K+ at rest. Find - (a) the total energy of the лº meson -0 (b) its relativistic kinetic energy The rest mass energy is 494 MeV for K+, 140 MeV for 7, 135 MeV for лº.arrow_forward-23 Consider the decay A0 p + with the A at rest. (a) Calculate the disintegration energy. What is the kinetic energy of (b) the proton and (c) the pion? (Hint: See Problem 6.)arrow_forward
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