Why is radioactive decay so rare?

  • #1
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Hi all, I'm just curious about the weak force and how it works.
If quarks and electrons both have weak iso-spin and are constantly whizzing about next to their neighbour's (especially so inside a nucleon), what prevents say, the up quarks from emitting a W- boson everytime they are near a down quark?
Thank you!
 

Answers and Replies

  • #2
A. Neumaier
Science Advisor
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A W-boson is quite heavy and can be created only when a lot of energy is available.
 

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