heavy particle

/ˌhɛvi ˌpɑrdəkəl/

Other forms: heavy particles

Definitions of heavy particle

1. noun

   any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1
   synonyms: baryon

   types:

   hyperon

   any baryon that is not a nucleon; unstable particle with mass greater than a neutron

   nucleon

   a constituent (proton or neutron) of an atomic nucleus

   antineutron

   the antiparticle of a neutron

   antiproton

   an unstable negatively charged proton; the antiparticle of a proton

   lambda hyperon, lambda particle

   an electrically neutral baryon with isotopic spin 1

   neutron

   a subatomic particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus

   proton

   a stable particle with positive charge equal to the negative charge of an electron

   type of:

   fermion

   any particle that obeys Fermi-Dirac statistics and is subject to the Pauli exclusion principle

   hadron

   any elementary particle that interacts strongly with other particles