Neutron Decay Into Proton: Hawking's New Book

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SUMMARY

A neutron can decay into a proton, a process confirmed by Stephen Hawking in his book "A Brief History of Time." The half-life of a free neutron is approximately 11 minutes, during which it decays into a proton, an electron, and an antineutrino. This decay process can also occur within a nucleus, particularly in neutron-heavy radioactive atoms. Understanding this phenomenon is crucial for comprehending the early universe and nuclear physics.

PREREQUISITES
  • Basic understanding of nuclear physics
  • Familiarity with particle decay processes
  • Knowledge of radioactive isotopes
  • Concept of half-life in radioactive decay
NEXT STEPS
  • Research the specifics of neutron decay mechanisms
  • Study the implications of neutron decay in the context of the early universe
  • Explore the role of antineutrinos in particle physics
  • Learn about neutron-heavy isotopes and their stability
USEFUL FOR

Physicists, students of nuclear physics, and anyone interested in the fundamental processes of the universe will benefit from this discussion.

jnorman
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can a neutron decay into a proton? i certainly didnt think so, but i am reading hawking's new little book "breifer history of time", and he states that in there while talking about the early universe. thanks.
 
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Yes, a free neutron decays with a half life of between 10 and 12 minutes (depends on the source used, but most sources put it closer to 11 minutes) to a proton electron and antineutrino. A neutron inside a nucleus can also decay similarly, depending on whether the atom is a neutron heavy radioactive atom.
 

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