Spontaneous CP violation and the B system

Abstract

We investigate effects of spontaneous breakdown of CP in $B_{d,s}^0-{\overline{B^0}}_{d,s}$ systems in left-right symmetric models. Assuming that the left-right contribution to the $B^0-\overline{B^0}$ matrix element $M_{12}$ can be at most equal to the standard model one we obtain a new lower bound, $M_H\gsim 12$ TeV, on the flavour changing Higgs boson mass. Most importantly, the convention independent parameter $Re({\overline{\epsilon }}_B),$ which measures the amount of $\Delta B=2$ CP violation, can be enhanced by a factor of four or more for $B_d^0$ and almost by two orders of magnitude for $B_s^0$ systems when compared with the Standard Model predictions. Therefore, interesting possibilities to observe indirect CP violation in the $B$ system are open in the planned facilities.

19 pages, LATEX, 4 postscript figures included

References in corpus (1)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)

Cited by in corpus (15)

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• Higgs Sector of the Minimal Left-Right Symmetric Model
• CP asymmetry in B --> phi K_S decays in left-right models and its implications on B_s decays
• Ubiquitous CP violation in a top-inspired left-right model
• CP Violating Lepton Asymmetries from B Decays and Their Implication for Supersymmetric Flavor Models
• Constraining Models of New Physics in Light of Recent Experimental Results on $a_{\psi K_S}$
• CP Asymmetries in B_s Decays and Spontaneous CP violation
• CP asymmetries in B0 decays in the left-right model
• Spontaneous CP Phases and Flavour Changing Neutral Currents in the Left-Right Symmetric Model
• On Neutrino Masses and a Low Breaking Scale of Left-Right Symmetry
• CP Violating Lepton Asymmetry from B Decays in Supersymmetric Grand Unified Theories
• Testing Left-Right Symmetric Gauge Theories at e^+e^- Colliders
• Impact of B physics on model building and vice versa: an example
• CP violating lepton asymmetries in Left-Right Models
• New Physics in CP-Violating Observables for Beauty