Chiral perturbation theory at two loops and the measurement of V(us)

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

    Abstract

    I give an overview of the calculations done in three-flavour Chiral perturbation theory at next-to-next-to-leading order with an emphasis on those relevant for an improvement in the accuracy of the measurement of Vus. It is pointed out that all needed low energy constants can be obtained from experiment via the scalar form-factor in Kl3 decays
    Original languageEnglish
    Title of host publicationXXXVIII Rencontres de Moriond
    EditorsEtienne Auge, Jean Tran Thanh Van
    PublisherThe Gloi Publishers
    Pages313-316
    Publication statusPublished - 2003
    EventQCD and High Energy Hadronic Interactions - Les Arcs
    Duration: 2003 Mar 222003 Mar 29

    Conference

    ConferenceQCD and High Energy Hadronic Interactions
    Period2003/03/222003/03/29

    Subject classification (UKÄ)

    • Subatomic Physics

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