Chargino

In elementary particle physics are hypothetical charginos, charged (English ) charge elementary particles that occur in supersymmetric theories. These are characterized by the fact that any ( quantum ) field field is assigned a partner, which differs in spin from the original by the amount of 1/2. Since the output fields here are bosons ( integer spin), the charginos fermions themselves must therefore be ( half-integer spin). In particular, charginos are Dirac fermions, that is, they differ from their antiparticles in electric charge.

Two Charginopaare in the MSSM

In the minimal supersymmetric standard model ( MSSM ) charginos superposition states ( mixtures, linear combinations ) of superpartners of charged Higgs and gauge fields. In the former, it is the gauginos and ( Winos, partners of the fields W1 and W2), the latter to the charged Higgsinos (partner of the hypothetical charged Higgs bosons ). It results in the chargino - pairs 1 and 2, and abbreviated ( and sometimes ).

Alternative composition

The postulated charginos can be expressed with the charged Higgsinos as a superposition of charged Wino - fields (instead of and ).

The charged Wino fields are namely itself already linear combinations of and, in the same manner as in the standard model, the electrically charged W bosons are mixtures of the fields W1 and W2:

This is the wave function

Because here the unrecognized mix with the charged Higgsinos the fields are, however - unlike W bosons - no candidates for principle observable particles.