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CP Conservation in the Presence of Pseudoparticles
We give an explanation of the $\mathrm{CP}$ conservation of strong interactions which includes the effects of pseudoparticles. We find it is a natural result for any theory where at least one flavorExpand
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Constraints imposed by CP conservation in the presence of pseudoparticles
We elaborate on an earlier discussion of CP conservation of strong interactions which includes the effect of pseudoparticles. We discuss what happens in theories of the quantum-chromodynamics typeExpand
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Probing the weak boson sector in e + e - →W + W -
A detailed analysis of W pair production in e+e− annihilation at LEP-II energies is presented by using helicity amplitudes for the process e+e−→W+W− with arbitrary WWγ and WWZ couplings. ExpressingExpand
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Are there real goldstone bosons associated with broken lepton number
We consider, in the context of simple gauge models, the possibility that lepton number is a spontaneously broken global symmetry, leading to massive Majorana neutrinos. We find that the usualExpand
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The BABAR physics book: Physics at an asymmetric $B$ factory
Results of a year-long workshop devoted to a review of the physics opportunities of the BABAR experiment at the PEP-II B Factory, at the Stanford Linear Accelerator Center laboratory are presented.
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Leptogenesis as the origin of matter
▪ Abstract We explore in some detail the hypothesis that the generation of a primordial lepton-antilepton asymmetry (Leptogenesis) early on in the history of the Universe is the root cause for theExpand
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The Strong CP problem and axions
I describe how the QCD vacuum structure, necessary to resolve the U(1)_A problem, predicts the presence of a PabbrevPparity transformation, TabbrevTtime reversal transformation, and CPabbrevCPchargeExpand
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Rare decays of the Z0
We study radiative and Higgs decay modes of the Z0 into hypothetical heavy quark bound states (onia). In general, we find that the rates for these decays are extremely small. However, in some cases,Expand
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Dynamical symmetry breaking and universality breakdown
Abstract We argue that, if the symmetry breakdown in the electroweak theory is dynamical, one should expect, in general, to have some nonuniversal interactions. Given the present bounds on flavorExpand
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QCD, strong CP and axions
The physical origin of the strong CP problem in QCD, rooted in the structures of the vacuum of the standard model, is reviewed. The chiral solution to this problem, with its accompanying axion, isExpand
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