%ABeshtoev, Kh M %D1992 %I; Joint Inst. for Nuclear Research, Dubna (Russian Federation). Lab. of Theoretical Physics %J %K72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS, SU GROUPS, GAUGE INVARIANCE, MAJORANA THEORY, QUASI PARTICLES, VACUUM STATES, VECTOR FIELDS, 662120, SYMMETRY, CONSERVATION LAWS, CURRENTS AND THEIR PROPERTIES %PMedium: X; Size: 7 p. %TOn a complex vacuum structure in non-abelian gauge theories and on the place of Majorana particles in these theories %XIt is shown that a complex vacuum structure is impossible in SU(N) gauge theories. The complex vacuum structure in extended theories with complec vector fields. It is shown that Majorana particles cannot exist in standard SU(N) gauge-invariant theories. 7 refs. %0Technical Report JINR Other: ON: DE94611147; TRN: RU9306089007159 INIS English