College Physics
1st Edition
ISBN: 9781938168048
Author: Paul Peter Urone, OpenStax, Roger Hinrichs
Publisher: OpenStax
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Textbook Question
Chapter 33, Problem 23PE
The reaction 
(described in the preceding problem) takes place via the strong force. (a) What is the baryon number of the 
particle?
(b) Draw a Feynman diagram of the reaction showing the individual quarks involved.
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If all of the quarks combining to form a meson are in the ground state, what are the possible spins a
meson might have? Give an example particle (and describe its constituents) for each of your answers.
For this problem, you may use your notes and the tables provided only for parts a, b, and c.
a) For the given quark combination ( d , s̅ ) determine the baryon number, the strangeness, and the electric charge quantum number, Q’. Recall, a particle’s charge q is related to its electric charge quantum number Q’ by q = eQ’. [Note: we are using the symbol Q’ so as to prevent confusion with the Q-value of a nuclear decay.]
b) Using the tables provided, identify the hadron that corresponds to the above data. Estimate the
2 expected mass of the hadron in units of MeV/c^2
c) Determine the hypercharge, the z-component of the isospin, and the isospin for the hadron given in your answer to part b) above.
For this problem, you may use your notes and the tables provided only.
a. For the given quark combination (s,s,d) determine the baryon number, the strangeness, and the electric charge quantum number, Q’. Recall, a particle’s charge q is related to its electric charge quantum number Q’ by q = eQ’. You may use the tables provided only.
b. Using the tables provided, identify the hadron that corresponds to the above data. Estimate the expected mass of the hadron.
c. Determine the hypercharge, the z-component of the isospin, and the isospin for the hadron given in your answer to part b) above
d. If the normal decay mode of this particle is the one given below, identify which one of the four fundamental interactions is most likely responsible for the equation listed below. Justify your answer.
Chapter 33 Solutions
College Physics
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