Fundamentals of Physics, Volume 1, Chapter 1-20
10th Edition
ISBN: 9781118233764
Author: David Halliday
Publisher: WILEY
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Chapter 44, Problem 18P
To determine
from the four given decays or reactions which proceed via strong interaction.
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Which of the following processes are allowed by the strong interaction, the electromagnetic interaction, the weak interaction, or no interaction at all?
(a) π− + P → 2η0
(b) K− + n → ^0 + π−
(c) K− → π− + π0
(d) Ω− → Ξ− + π0
(e) η0 → 2γ
Determine which of the following decays or reactions is not allowed and explain why. (a) p + p → p + π++Λ+-K0 (b) Λ → p + π0
Determine which of the reactions below can occur. For those that cannot occur, determine the conservation law (or laws) that each violates.
(a) p → π + + π0
(b) p + p → p + p + π0
(c) π+ → μ+ + υμ
(d) n → p + e− +v-e
(e) π+ → μ+ + n
Chapter 44 Solutions
Fundamentals of Physics, Volume 1, Chapter 1-20
Ch. 44 - Prob. 1QCh. 44 - Prob. 2QCh. 44 - Prob. 3QCh. 44 - Prob. 4QCh. 44 - Prob. 5QCh. 44 - Prob. 6QCh. 44 - Prob. 7QCh. 44 - Prob. 8QCh. 44 - Prob. 9QCh. 44 - Prob. 10Q
Ch. 44 - Prob. 11QCh. 44 - Prob. 1PCh. 44 - Prob. 2PCh. 44 - Prob. 3PCh. 44 - Prob. 4PCh. 44 - Prob. 5PCh. 44 - a A stationary particle 1 decays into parties 2...Ch. 44 - Prob. 7PCh. 44 - GO A positive tau , rest energy = 1777 MeV is...Ch. 44 - Prob. 9PCh. 44 - Prob. 10PCh. 44 - Prob. 11PCh. 44 - Prob. 12PCh. 44 - Prob. 13PCh. 44 - Prob. 14PCh. 44 - Prob. 15PCh. 44 - Prob. 16PCh. 44 - Prob. 17PCh. 44 - Prob. 18PCh. 44 - Prob. 19PCh. 44 - Prob. 20PCh. 44 - Prob. 21PCh. 44 - Prob. 22PCh. 44 - Prob. 23PCh. 44 - Prob. 24PCh. 44 - Prob. 25PCh. 44 - Prob. 26PCh. 44 - Prob. 27PCh. 44 - Prob. 28PCh. 44 - Prob. 29PCh. 44 - Prob. 30PCh. 44 - Prob. 31PCh. 44 - Prob. 32PCh. 44 - Prob. 33PCh. 44 - Prob. 34PCh. 44 - Prob. 35PCh. 44 - What would the mass of the Sun have to be if Pluto...Ch. 44 - Prob. 37PCh. 44 - Use Wiens law see Problem 37 to answer the...Ch. 44 - Prob. 39PCh. 44 - Prob. 40PCh. 44 - Prob. 41PCh. 44 - Due to the presence everywhere of the cosmic...Ch. 44 - SSM Suppose that the radius of the Sun were...Ch. 44 - Prob. 44PCh. 44 - Prob. 45PCh. 44 - Prob. 46PCh. 44 - Prob. 47PCh. 44 - Prob. 48PCh. 44 - Prob. 49PCh. 44 - Prob. 50PCh. 44 - Prob. 51PCh. 44 - Prob. 52PCh. 44 - Prob. 53PCh. 44 - Prob. 54P
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- The 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_forwardDetermine which of the following decays is not allowed and explain why. (a) π+ → μ+ + n (b) μ- → e- + γ (c) Λ → p + π- (d) p → π+ + π0arrow_forwardWhich of the following decays are allowed and which are forbidden? If the decay is allowed, state which interaction is responsible. If it is forbidden, state which conserva- tion law its occurrence would violate. (а) п" > е +y (Б) п° > е + e* + v, + v (c) T* → e¯ + e* + µ* + (d) Aº → T* + a¯ (е) п— р + е+i Vµarrow_forward
- Which of the following reactions cannot occur? (Select all that apply.) γ + p → n + π0p + p → 2γπ+ + p → K+ + Σ+π0 + n → K+ + Σ-arrow_forwardConsider the following decay: π0 → μ- + e+ + υμ. What conservation laws are violated by this decay? (a) energy (b) angular momentum (c) electric charge (d) baryon number (e) electron lepton number (f) muon lepton number (g) tau lepton number (h) no conservation lawsarrow_forwardSome GUT theories allow the proton to be unstable. What conservation laws are broken in the following proton decays? (a) p → π+ + ve bar (b) p → μ+ + π0 (c) p → e+ + K0 + vearrow_forward
- The following reactions or decays involve one or more neutrinos.In each case, supply the missing neutrino (υe, υμ, or υt ) or antineutrino.(a) π- → μ- + ? (b) K+ → μ+ + ?(c) ? + p → n + e+ (d) ? + n → p + e-(e) ? + n → p + μ- (f) μ- → e- + ? + ?arrow_forwardA neutral rho particle decays from rest into two pions through the following decay reaction: The masses of the particles are: p° = 775 MeV/c?, Tt = 140 MeV/c², 7¯ = 140 MeV/c?, What is the kinetic energy of the n+ immediately after the decay? Express your answer in units of MeV. Answer:arrow_forwardConsidering baryon number and lepton number conservation laws, which of the following process is/are allowed? (i) p→n" +e* + v. (ii) e* +v. → H +Vµ (a) both (i) and (ii) (b) only (i) (c) only (ii) (d) neither (i) nor (ii)arrow_forward
- The reaction π− + p → K0 + Λ0 occurs with high probability, whereas the reaction π− + p → K0 + n never occurs. Analyze these reactions at the quark level. Show that the first reaction conserves the total number of each type of quark and the second reaction does not.arrow_forwardFill in the missing particle. Assume that (a) occurs via the strong interaction while (b) and (c) involve the weak interaction. (a) K+ + p → ? + p (b) Ω− → ? + π− (c) K+ → ? + μ+ + nμarrow_forwardYou are working as an assistant for a physics professor. For an upcoming lecture, your professor asks you to prepare a presentation slide with the following two proposed reactions which might proceed via the strong interaction:(i) π- + p → K0 +Λ0(ii) π- + p → K0 + nOn the slide, the professor wishes for you to show the quark analysis of the reactions, and (a) identify which reaction is observed, and (b) explain why the other is not observed.arrow_forward
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