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Kπvector form factor constrained by τ →KπντandKl3decays

✍ Scribed by D. R. Boito; R. Escribano; M. Jamin


Book ID
105739221
Publisher
Springer-Verlag
Year
2010
Tongue
English
Weight
573 KB
Volume
2010
Category
Article
ISSN
1126-6708

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Constraining the Kπ vector form factor b
✍ Diogo R. Boito; Rafel Escribano; Matthias Jamin 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 177 KB

A subtracted dispersive representation of the Kπ vector form factor, F Kπ + , is used to fit the Belle spectrum of τ → Kπν τ decays incorporating constraints from results on K l3 decays. Through the use of three subtractions, the slope and curvature of F Kπ + are obtained directly from the data yiel