Mass Mixing, {CP} Violation and Left-right Symmetry for Heavy Neutral Mesons

mixing and CP violation in the minimal left-right symmetric gauge model with spontaneous P and CP violation. The dominant contributions to the mixing amplitude including QCD corrections are calculated explicitly for

B^0- \bar B^0

. While the amount of mixing is not much changed with respect to the standard model leftright symmetry can give rise to significantly larger CP violation in the

B_s^0- \bar B_s^0

system (up to two orders of magnitude for the dilepton charge asymmetry). Sizable CP violating effects require that the left-right contribution to theKLKS mass difference has the same sign as the standard model contribution. We also comment on

D^0- \bar D^0

mixing including a careful discussion of the standard model prediction for the short distance part.

B0 anti-B0: mixing
GAUGE FIELD THEORY: SU(2) X SU(2) X U(1)
PARITY: VIOLATION
VIOLATION: PARITY
CP: violation
SPONTANEOUS SYMMETRY BREAKING
FEYNMAN GRAPH
QUANTUM CHROMODYNAMICS: CORRECTION
D0 anti-D0: mixing
NUMERICAL CALCULATIONS

References(37)

Figures(0)

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