FIZKA B 7 (1998) 4, 223-234
MASS AND FLAVOUR SPINORS FROM THE DIRAC EQUATION WITH TWO MASS
Department of Physics SUNY at Fredonia, Fredonia, NY 14063, U. S. A.
Electronic Mail: Raspini@Fredonia.EDU
Received 27 January 1999; Accepted 6 April 1999
The choices of the standard equations for massive, massless and tachyonic fermions are
examined, on the grounds of desirable features related to the symmetry operations. Linear
superpositions of different mass states are revisited, and some possible probability
interpretations are suggested.
PACS numbers: 03.65.Pm, 11.30.-j
UDC 530.125, 539.124
Keywords: Dirac equation with two mass states, massive, massless and tachyonic fermions,