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arxiv: 0711.2174 · v1 · submitted 2007-11-14 · ✦ hep-lat

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Distribution Amplitudes of Vector Mesons

V.M. Braun , D. Br\"ommel , M. G\"ockeler , R. Horsley , Y. Nakamura , H. Perlt , D. Pleiter , P.E.L. Rakow
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A. Sch\"afer G. Schierholz A. Schiller W. Schroers T. Streuer H. St\"uben J.M. Zanotti
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classification ✦ hep-lat
keywords distributionvectoramplitudeamplitudeselementfermionsflavoursimproved
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Results are presented for the lowest moment of the distribution amplitude for the K-star vector meson. Both longitudinal and transverse moments are investigated. We use two flavours of O(a) improved Wilson fermions, together with a non-perturbative renormalisation of the matrix element.

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