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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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