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摘要
En 中文
The CKM matrix is not generic. The Wolfenstein parametrization encodes structure by having one small parameter, lambda approximate to 0.22. We pose the question: is there substructure in the CKM matrix that goes beyond the single small parameter of the Wolfenstein parameterization? We find two relations that are approximately satisfied: vertical bar V-td vertical bar(2) = vertical bar V-cb vertical bar(3) and vertical bar V-ub vertical bar(2)|V-us vertical bar = vertical bar V-cb vertical bar(4). We discuss the statistical significance of these relations and find that they may indicate deeper structure in the CKM matrix. The current precision, however, cannot exclude an O(10%) accident.
Keyword:
Phenomenological Models
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期刊
IF:
5.5
论文数:
3.9W
被引数:
13.7W

