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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
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32-2 to 32-6: Particle Interactions, Particle Exchange
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32-7 to 32-11: Resonances, Standard Model, Quarks, QCD, GUT
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 33
Q

In ordinary radioactive decay, a W particle may be created even though the decaying particle has less mass than the W particle. If you assume ΔE≈\Delta E \approx mass of the virtual W, what is the expected lifetime of the W?

A
8×10−27 s8 \times 10^{-27} \textrm{ s}
Giancoli 7th Edition, Chapter 32, Problem 33 solution video poster
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