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Liao, Y; Li, XY; Li, XY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Non-unitarity of CKM matrix from vector singlet quark mixing and neutron electric dipole moment
Source PublicationPHYSICS LETTERS B
KeywordBackground-field Method Kobayashi-maskawa Model Induced Theta-term Cp-violation Standard Model B0 Decays Gauge-invariance Handed Currents Asymmetries Fermions
AbstractIn the standard model (SM) the lowest order contribution to the quark electric dipole moment (EDM) occurs at the three loop level. We show that the non-unitarity of the CKM matrix in models with an extended quark sector typically gives rise to a quark EDM at the two loop level which has no GIM-like suppression factors except the external quark mass. The induced neutron EDM is of order 10(-29) e cm and can be well within the reach of the next generation of experiments if it is further enhanced by long distance physics as happens in the SM. (C) 2001 Published by Elsevier Science B.V.
2001
ISSN0370-2693
Volume503Issue:40972Pages:301-306
Subject AreaPhysics
Indexed BySCI
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12793
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, XY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Liao, Y,Li, XY,Li, XY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.. Non-unitarity of CKM matrix from vector singlet quark mixing and neutron electric dipole moment[J]. PHYSICS LETTERS B,2001,503(40972):301-306.
APA Liao, Y,Li, XY,&Li, XY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2001).Non-unitarity of CKM matrix from vector singlet quark mixing and neutron electric dipole moment.PHYSICS LETTERS B,503(40972),301-306.
MLA Liao, Y,et al."Non-unitarity of CKM matrix from vector singlet quark mixing and neutron electric dipole moment".PHYSICS LETTERS B 503.40972(2001):301-306.
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