Chinese Physics C > 2008, Vol. 32 > Issue(12): 939-944 DOI: 10.1088/1674-1137/32/12/001

Model with strong γ₄T-violation

T. D. Lee

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Abstract：

We extend the T violating model of the paper on ``Hidden symmetry of the CKM and neutrino-mapping matrices" by assuming its T-violating phases χ_↑and χ_↓to be large and the same, with χ=χ_↑=χ_↓. In this case, the model has 9
real parameters: α_↑, β_↑, ξ_↑, η_↑for the ↑-quark sector, α_↑, β_↑, ξ_↑, η_↑
for the ↓ sector and a common χ. We examine whether these nine parameters are compatible with ten observables: the six quark masses and the four real parameters that characterize the CKM matrix (i.e., the Jarlskog invariant J and three Eulerian angles). We find that this is possible only if the T violating phase χ is large, between -120° to -135°. In this strong T violating model, the smallness of the Jarlskog invariant J≌3×10^-5is mainly accounted for by the large heavy quark masses, with m_cm_t sm _b≈ 0.02, as well as the near complete overlap of t and b quark, with (c|b)=-0.04.

References

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T. D. Lee. Model with strong γ ₄T-violation[J]. Chinese Physics C, 2008, 32(12): 939-944. doi: 10.1088/1674-1137/32/12/001

T. D. Lee. Model with strong γ ₄T-violation[J]. Chinese Physics C, 2008, 32(12): 939-944. doi:10.1088/1674-1137/32/12/001 shu

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Received: 2008-10-16
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Model with strong γ₄T-violation

Received Date:2008-10-16

Accepted Date:1900-01-01

Available Online:2008-12-05

Abstract:

We extend the T violating model of the paper on ``Hidden symmetry of the CKM and neutrino-mapping matrices" by assuming its T-violating phases χ_↑and χ_↓to be large and the same, with χ=χ_↑=χ_↓. In this case, the model has 9
real parameters: α_↑, β_↑, ξ_↑, η_↑for the ↑-quark sector, α_↑, β_↑, ξ_↑, η_↑
for the ↓ sector and a common χ. We examine whether these nine parameters are compatible with ten observables: the six quark masses and the four real parameters that characterize the CKM matrix (i.e., the Jarlskog invariant J and three Eulerian angles). We find that this is possible only if the T violating phase χ is large, between -120° to -135°. In this strong T violating model, the smallness of the Jarlskog invariant J≌3×10^-5is mainly accounted for by the large heavy quark masses, with m_cm_t sm _b≈ 0.02, as well as the near complete overlap of t and b quark, with (c|b)=-0.04.

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Model with strong γ₄T-violation

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通讯作者:陈斌, bchen63@163.com

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