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The ratio R of hadronic and electronic Z widths and the strong coupling constants αs

✍ Scribed by Thomas Hebbeker; Manel Martinez; Giampiero Passarino; Günter Quast

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
420 KB
Volume
331
Category
Article
ISSN
0370-2693

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## Abstract Several α,β‐diphosphonates with a norbornane or cyclohexane skeleton were prepared, and the ^31^P‐^31^P coupling constants over three bonds for the ethyl or methyl esters, the acid and anion were obtained from the ^13^C NMR spectra or the ^13^C satellites in the ^31^P NMR spectra. The ^