he Q value for the alpha decay of 203Tl is calculated to be 0.91 MeV from the masses of the initial and final nuclei. Estimate the half-life of 203Tl and explain why we call 203Tl a “stable” nucleus?

he Q value for the alpha decay of 203Tl is calculated to be 0.91 MeV from the masses of the initial and final nuclei. Estimate the half-life of 203Tl and explain why we call 203Tl a “stable” nucleus?

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter13: Nuclear Structure

Section: Chapter Questions

Problem 11P

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Concept explainers

Nuclear Reactions

Nuclear reactions are processes in which the fundamental characteristics of a nucleus changes. They change into a completely different nucleus. These processes occur naturally in an unstable nucleus. Bombarding an energetic particle can induce nuclear reactions. In this article, both the naturally occurring nuclear reactions are termed as radioactive decay and the induced nuclear reactions are further categorized as nuclear fission and nuclear fusion.

Question

The Q value for the alpha decay of ²⁰³Tl is calculated to be 0.91 MeV from the masses of the initial and final nuclei. Estimate the half-life of ²⁰³Tl and
explain why we call ²⁰³Tl a “stable” nucleus?

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