Fermions Fermions Fermions, named after Enrico Fermi, are particles which form totally-antisymmetric composite quantum states. As a result, they are subject to the Pauli exclusion principle and obey Fermi-Dirac statistics. The spin-statistics theorem states that fermions have half-integer spin. One important aspect of half integral spin is that particles with such spin, i.e. fermions, have to be rotated by two 360 degree rotations to return them to their initial state. ...more on Wikipedia about "Fermion"
A gluino is the hypothetical supersymmetric partner of the gluon. Gluinos are Majorana fermions and interact via the strong nuclear force as an octet of color. Gluinos have a lepton number 0, baryon number 0, and spin 1/2. ...more on Wikipedia about "Gluino"
The gravitino is the hypothetical supersymmetric partner of the graviton, as predicted by theories combining general relativity and supersymmetry, i.e. supergravity theories. If it exists it is a fermion of spin 3/2. ...more on Wikipedia about "Gravitino"
In particle physics, a higgsino is the hypothetical superpartner of the Higgs boson, as predicted by supersymmetry. The higgsino is a Dirac fermion and that is a weak isodoublet with hypercharge half under the Standard Model gauge symmetries. After electroweak symmetry breaking the Higgsino become a pair of neutral Majorana fermions called neutralinos and a charged Dirac fermion called a chargino. These states mix with the neutralinos and charginos from the bino and wino. A linear combination of the higgsino, bino and wino make up the lightest supersymmetric particle, lsp which is a particle physics candidate for the dark matter of the universe. ...more on Wikipedia about "Higgsino"
In particle physics, the neutralino is a hypothetical particle and part of the doubling of the menagerie of particles predicted by supersymmetric theories. ...more on Wikipedia about "Neutralino"
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