Semileptonic Hyperon Decays on the Lattice: an Exploratory Study
Abstract
We present preliminary results of an exploratory lattice study of the vector form factor f1(q2 = 0) relevant for the semileptonic hyperon decay - --> n l . This study is based on the same method used for the extraction of f+(0) for the decay K0 --> π- l . 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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