Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
32
Elementary Particles
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32-1: Particles and Accelerators
32-2 to 32-6: Particle Interactions, Particle Exchange
32-7 to 32-11: Resonances, Standard Model, Quarks, QCD, GUT

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 25
Q

For the decay Λ0\Lambda^0 \rightarrow p + π\pi^-, calculate

  1. the Q-value (energy released), and
  2. the kinetic energy of the p and π\pi^-, assuming the decays from rest. (Use relativistic formulas.)
A
  1. 37.8 MeV37.8 \textrm{ MeV}
  2. KEp=5.4 MeV, KEπ=32 MeVKE_p = 5.4 \textrm{ MeV, } KE_{\pi^-} = 32 \textrm{ MeV}
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