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Four-body semileptonic decays of hyperons

โœ Scribed by N. Brene; A.B. Kraemmer; T. Vilhjalmsson


Book ID
116138311
Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
333 KB
Volume
9
Category
Article
ISSN
0550-3213

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Hyperon Semileptonic Decays and CKM Unit
โœ V. Mateu ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 182 KB

We perform a new numerical analysis of hyperon semileptonic decays emphasizing the systematic uncertainties. The poor understanding of SU(3) symmetry breaking effects at second order in the vector form factor translates into a large error of |Vus|. Using our determination |Vus| = 0.226 ยฑ 0.005 toget