Inequalities for the Kl3 form factors

D. Horn*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


An inequality for the Kl3 form factors is derived on the basis of current commutation relations and certain assumptions about the relative importance of the intermediate states. It includes the inequalities due to Quinn and Bjorken and to Suzuki. We find ξ≤0.91f+(0)-1.35, where ξ=f-(0)f+(0) and f+(0)≤1.

Original languageEnglish
Pages (from-to)2272-2273
Number of pages2
JournalPhysical Review
Issue number5
StatePublished - 1969


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