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Semileptonic Hyperon Decays on the Lattice: an Exploratory Study

✍ Scribed by D. Guadagnoli; G. Martinelli; M. Papinutto; S. Simula

Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 291 KB
Volume: 140
Category: Article
ISSN: 0920-5632
DOI: 10.1016/j.nuclphysbps.2004.11.316

No coin nor oath required. For personal study only.

✦ Synopsis

We present preliminary results of an exploratory lattice study of the vector form factor f1(q 2 = 0) relevant for the semileptonic hyperon decay Σ -→ n l ν. This study is based on the same method used for the extraction of f + (0) for the decay K 0 → π -l ν. The main purpose of this study is to test the method for hyperon form factors in order to estimate the precision that can be reached and the importance of SU(3)-breaking effects.

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