Physics of Everyday Phenomena
9th Edition
ISBN: 9781260048469
Author: Griffith
Publisher: MCG
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Chapter 21, Problem 4CQ
To determine
Whether the baryons and mesons are made of same number of quarks.
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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 - The average distance from the sun to Venus is...Ch. 21 - Prob. 2ECh. 21 - The nearest star to our sun is a red dwarf named...
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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) Find the charge, baryon number, strangeness, charm, and bottomness of the particle from its quark composition. (b) Do the same for the particle.arrow_forward(a) Three quarks form a baryon. How many combinations of the six known quarks are there if all combinations are possible? (b) This number is less than the number of known baryons. Explain why.arrow_forward
- Based on quark composition of a proton, show that its charge is +1.arrow_forward(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?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 principal decay mode at the sigma zero is (a) What energy is released? (b) Considering the quark structure of the two baryons, does it appear that the is an excited state of the (c) Verify that strangeness, charge, and baryon number are conserved in the decay. (d) Considering the preceding and the short lifetime, can the weak force be responsible? State why or why not.arrow_forward(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_forward(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.arrow_forward
- (a) Is a hadron always a baryon? (b) Is a baryon always a hadron? (c) Can an unstable baryon decay into a meson, leaving no other baryon?arrow_forwardThe 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.arrow_forwardWhat is the general quark composition of a baryon? Of a meson?arrow_forward
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