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@article{2264877, author = {Bering Larsen, Klaus}, keywords = {Matrix Algebra; Cabibbo-Kobayashi-Maskawa Matrix; Jarlskog Invariants; CP-conservation;}, language = {eng}, title = {Generalized Jarlskog Invariants, Mass Degeneracies and Echelon Crosses}, url = {https://arxiv.org/abs/2104.10585}, year = {2021} }
TY - JOUR ID - 2264877 AU - Bering Larsen, Klaus PY - 2021 TI - Generalized Jarlskog Invariants, Mass Degeneracies and Echelon Crosses KW - Matrix Algebra KW - Cabibbo-Kobayashi-Maskawa Matrix KW - Jarlskog Invariants KW - CP-conservation; UR - https://arxiv.org/abs/2104.10585 N2 - It is known that the Cabibbo-Kobayashi-Maskawa (CKM) n×n matrix can be represented by a real matrix iff there is no CP-violation, and then the Jarlskog invariants vanish. We investigate sufficient conditions for the opposite statement to hold, paying particular attention to degenerate cases. We find that higher Jarlskog invariants are needed for n≥4. One generic sufficient condition is provided by the existence of a so-called echelon cross. ER -
BERING LARSEN, Klaus. \textit{Generalized Jarlskog Invariants, Mass Degeneracies and Echelon Crosses}. 2021.
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