College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 33, Problem 15CQ
Explain how the weak force can change strangeness by changing quark ?avor.
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Chapter 33 Solutions
College Physics
Ch. 33 - The total energy in the beam of an accelerator is...Ch. 33 - Synchrotron radiation takes energy from an...Ch. 33 - What two major limitations prevent us from...Ch. 33 - What are the advantages of collidingbeam...Ch. 33 - Large quanti?es of antimatter isolated from normal...Ch. 33 - Massless particles are not only neutral, they are...Ch. 33 - Massless particles must travel at the speed of...Ch. 33 - When a stat erupts in a supernova explosion, huge...Ch. 33 - Theorists have had spectacular success in...Ch. 33 - What lifetime do you expect for an antineutron...
Ch. 33 - Why does the meson have such a short lifetime...Ch. 33 - (a) Is a hadron always a baryon? (b) Is a baryon...Ch. 33 - Explain how conservation of baryon number is...Ch. 33 - The quark ?avor change it takes place in decay....Ch. 33 - Explain how the weak force can change strangeness...Ch. 33 - Beta decay is caused by the weak force, as are all...Ch. 33 - Why is it easier to see the properties of the c,...Ch. 33 - How can quarks, which are fermions, combine to...Ch. 33 - What evidence is cited is support the contention...Ch. 33 - Discuss how we know that (mesons are not...Ch. 33 - An antibaryon has three antiquarks with colors...Ch. 33 - Suppose leptons are created in a reaction. Does...Ch. 33 - How can the lifetime of a particle indicate that...Ch. 33 - (a) Do all particles having strangeness also have...Ch. 33 - The sigmazero particle decays mostly via the...Ch. 33 - What do the quark compositions and other quantum...Ch. 33 - Discuss the similarities and differences between...Ch. 33 - Identity evidence for electroweak unification.Ch. 33 - The quarks in a particle are con?ned, meaning...Ch. 33 - If a GUT is proven, and the four forces are...Ch. 33 - If the Higgs boson is discovered and found to have...Ch. 33 - Gluons and the photon are massless. Does this...Ch. 33 - A virtual particle having an approximate mass of...Ch. 33 - Calculate the mass in of a virtual carrier...Ch. 33 - Another component of the strong nuclear force is...Ch. 33 - (a) Find the ratio of the strengths the weak and...Ch. 33 - We ratio of the strong to the weak force and the...Ch. 33 - At full energy, protons in the 2.00kmdiameter...Ch. 33 - Suppose a W created in a bubble chamber lives for...Ch. 33 - What length track does a (+ traveling at 0.100 c...Ch. 33 - The 3.20kmlong SLAC produces a beam of 50.0GeV...Ch. 33 - Because of energy loss due to synchrotron...Ch. 33 - A proton and an antiproton collide headon, with...Ch. 33 - When an electron and positron collide at the SLAC...Ch. 33 - The is its own antiparticle and decays in the...Ch. 33 - The primary decay mode for the negative pion is...Ch. 33 - The mass of a theoretical particle that may be...Ch. 33 - The decay mode of the negative muon is (a) Find...Ch. 33 - The decay mode of the positive tau is (a) What...Ch. 33 - The principal decay mode at the sigma zero is (a)...Ch. 33 - (a) What is the uncertainty in the energy released...Ch. 33 - (a) What is the uncertainty in the energy released...Ch. 33 - (a) Verify from its quark composition that the...Ch. 33 - Accelerators such as the Triangle Universities...Ch. 33 - The reaction (described in the preceding problem)...Ch. 33 - One of the decay modes of the omega minus is (a)...Ch. 33 - Repeat the previous problem for the decay modeCh. 33 - One decay mode for the etazero meson is (a) Find...Ch. 33 - One decay mode for the etazero meson is (a) Write...Ch. 33 - Is the decay possible considering the appropriate...Ch. 33 - Is the decay possible considering the appropriate...Ch. 33 - (a) Is the decay possible considering the...Ch. 33 - (a) Is the decay possible considering the...Ch. 33 - The only combination of quark colors that produces...Ch. 33 - (a) Three quarks form a baryon. How many...Ch. 33 - (a) Show that the conjectured decay of the proton,...Ch. 33 - Verify the quantum numbers given for the + in...Ch. 33 - Verify the quantum numbers given for the proton...Ch. 33 - (a) How much energy would be released if the...Ch. 33 - (a) Find the charge, baryon number, strangeness,...Ch. 33 - There are particles called Dmesons. One of them is...Ch. 33 - There are particles called bottom mesons or...Ch. 33 - (a) What particle has the quark composition u-u-d?...Ch. 33 - (a) Show than all combinations of three quarks...Ch. 33 - Integrated Concepts The intensity of cosmic ray...Ch. 33 - Integrated Concepts Assuming conservation of...Ch. 33 - Integrated Concepts What is the wavelength of a...Ch. 33 - Integrated Concepts Calculate the relativistic...Ch. 33 - Integrated Concepts The primary decay mode for the...Ch. 33 - Integrated Concepts Plans for an accelerator that...Ch. 33 - Integrated Concepts Suppose you are designing a...Ch. 33 - Integrated Concepts In supernovas, neutrinos are...Ch. 33 - Construct Your Own Problem Consider an...Ch. 33 - Construct Your Own Problem Consider a detector...Ch. 33 - Prob. 1TPCh. 33 - Prob. 2TPCh. 33 - Prob. 3TPCh. 33 - Prob. 4TPCh. 33 - Prob. 5TPCh. 33 - Prob. 6TPCh. 33 - Prob. 7TPCh. 33 - Prob. 8TPCh. 33 - Prob. 9TPCh. 33 - Prob. 10TPCh. 33 - Prob. 11TPCh. 33 - Prob. 12TPCh. 33 - Prob. 13TPCh. 33 - Prob. 14TPCh. 33 - Prob. 15TPCh. 33 - Prob. 16TPCh. 33 - Prob. 17TPCh. 33 - Prob. 18TP
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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_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_forwardThe quark ?avor change it takes place in decay. Does this mean that the reverse quark ?avor change takes place in decay? Justify your response by writing the decay in terms of the quark constituents, noting that it looks as if a proton is converted into a neutron in decay.arrow_forward
- Based on quark composition of a proton, show that its charge is +1.arrow_forwardGluons and the photon are massless. Does this imply that the W+, W-, and Z0 are the ultimate carriers of the weak force?arrow_forwardBeta decay is caused by the weak force, as are all reactions in which strangeness changes. Does this imply that the weak force can change quark ?avor? Explain.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) 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_forwardOne of the decay modes of the omega minus is (a) What is the change in strangeness? (b) Verify that baryon number and charge are conserved, while lepton numbers are unaffected. (c) Write the equation in terms of the constituent quarks, indicating that the weak force is responsible.arrow_forward
- The quarks in a particle are con?ned, meaning individual quarks cannot be directly observed. Are gluons con?ned as well? Explainarrow_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) A particle and its antiparticle are at rest relative to an observer and annihilate (completely destroying both masses), creating two (rays of equal energy. What is the characteristic (ray energy you would look for if searching for evidence of protonantiproton annihilation? (The fact that such radiation is rarely observed is evidence that here is very little antimatter in the universe.) (b) How does this compare with the 0.511MeV energy associated with electronpositron annihilation?arrow_forward
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