Hadronic matter

  • Thread starter chaplaintappman22
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  • #1
Does anyone know what hadronic matter is, and why it is important? I was reading something about it, and I thought it looked interesting, so if anyone knows something about it, I would appreciate the input. Thank you!
 

Answers and Replies

  • #2
selfAdjoint
Staff Emeritus
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Hadronic matter is ordinary matter, like you and me. Hadrons are subatomic particles that feel the strong force; the most common hadrons are the proton and neutron. They make up the nucleus of the atoms that make us up, and the great amount of our mass. The electrons only contribute less than 1/1800th of the mass.

The importance of hadronic matter in cosmology is what it can't do. It can't account for all the gravitation we infer from the motions of the galaxies. So there must be something non-hadronic that does this. This is the famous "dark matter".
 
  • #3
mark726
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Then what is baryonic matter? I thought that baryonic matter was regular matter.
 
  • #4
Loren Booda
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Leptons ("light") - e. g., electrons and neutrinos

Mesons ("middle") - e. g., pions and muons

Baryons ("heavy") - e. g., protons and neutrons

Hadrons - mesons and baryons; matter made of quarks

Fermions ("Fermi")- half-integer spin particles; leptons, mesons(?), and baryons

Bosons ("Bose") - integer-spin particles - e. g., photons and gravitons
 

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