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Posts tagged particle-physics

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Q&A What Would a Femtometer Scale Utility Fog Be Useful For?

Utility fog is a swarm robotics concept in which a mesh of robots barely larger than a grain of pollen (5 micrometer ( $10^{-6} $ m ) bodies and 50 micrometer arms) are dodecahedrons (12 sided pol...

0 answers  ·  posted 29d ago by James McLellan‭  ·  edited 29d ago by James McLellan‭

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Q&A Is it possible to create a beam of non-relativistic neutrinos?

Neutrinos have extremely low masses, and it's quite easy for them to reach high energies and speeds. As such, it almost always makes sense to treat a neutrino as being relativistic. I've been doing...

1 answer  ·  posted 2y ago by HDE 226868‭  ·  last activity 2y ago by dmckee‭

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Q&A Can pion production effectively shorten the lifetime of neutrons?

The known charge-conserving decay modes of free neutrons all involve the production of a proton, an electron and an electron antineutrino: $$n\to p^++e^-+\bar{\nu}_{e}$$ This beta decay is why, out...

1 answer  ·  posted 2y ago by HDE 226868‭  ·  edited 2y ago by HDE 226868‭