2001
DOI: 10.1103/physrevd.64.059904
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Erratum:CPviolation in the seesaw model [Phys. Rev. D64,013006 (2001)]

Abstract: We have overlooked a Feyman diagram which contributes to the lepton number asymmetry. In Fig. 1, in the self-energy diagram, there is a loop diagram coming from neutrino and neutral Higgs boson.In order to evaluate the diagram, we have to include the interaction term for neutral Higgs boson in Eq. ͑15͒:where 0 is a neutral complex scalar which forms SU͑2͒ doublet with ϩ , T ϭ( ϩ ,v/ͱ2ϩ 0 ). In the exact calculation, we have to keep all the six neutrinos. However, the mixings among heavy neutrinos are suppresse… Show more

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Cited by 16 publications
(7 citation statements)
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“…A third possible parameterization of the neutrino Yukawa coupling uses the Gram-Schmidt decomposition, in order to cast the Yukawa coupling as a product of a unitary matrix and a lower triangular matrix [240]:…”
Section: Type I See-sawmentioning
confidence: 99%
“…A third possible parameterization of the neutrino Yukawa coupling uses the Gram-Schmidt decomposition, in order to cast the Yukawa coupling as a product of a unitary matrix and a lower triangular matrix [240]:…”
Section: Type I See-sawmentioning
confidence: 99%
“…The mounting evidence in favor of neutrino oscillations (see, e.g., [3,4,5,6]) gave analyzes of these two mechanisms a firmer phenomenological basis. Establishing a connection between the low energy (neutrino mixing) and high energy (leptogenesis) parameters has gathered much attention in recent years [7,8,9,10,11,12,13,14,15]. However, the number of parameters of the see-saw mechanism is significantly larger than the number of quantities measurable in the "low energy" neutrino experiments.…”
Section: Introductionmentioning
confidence: 99%
“…This parametrization relies on the property that any complex matrix can be written as a product of a unitary and a lower triangular matrix [14]:…”
Section: Triangular Parametrizationmentioning
confidence: 99%
“…In the previous paper [1] we have identified the CP violating phases of the seesaw model and found six independent phases. In the case where the heavy right-handed Majorana mass has a strong hierarchy in the diagonal basis M 1 ≫ M 2 ≫ M 3 , the diagonalization of the seesaw matrix is possible under the assumption that the elements in Yukawa-Dirac mass matrix are rather universal.…”
Section: Introductionmentioning
confidence: 94%
“…In the non-decoupling case [1]and by using the mass eigenstate for charged lepton, the V MN S matrix is the submatrix 3×6 of V itself. General analysis on this extended 3×6 MNS matrix results in six independent CP phases.…”
Section: Seesaw Model and Mns Matrixmentioning
confidence: 99%