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33.5 Exercise 19

Avg difficulty 2.5

(a) Verify from its quark composition that the Δ+\Delta^{+ } particle could be an excited state of the proton.

(b) There is a spread of about 100 MeV in the decay energy of the Δ+\Delta^{+ }, interpreted as uncertainty due to its short lifetime. What is its approximate lifetime?

(c) Does its decay proceed via the strong or weak force?

OpenStax College Physics 2e, 33.5 Quarks: Is That All There Is?, exercise 19

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.