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Electromagnetic production of hyperon resonances

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arxiv 1012.3129 v1 pith:WUBBRAQ2 submitted 2010-12-14 nucl-ex

Electromagnetic production of hyperon resonances

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keywords datahyperonresonancesmesonphotoproductionresonancewilladvent
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The study of hyperon resonances has entered a new era of precision with advent of high-statistics photoproduction data from the CLAS detector at Jefferson Lab. These data have multi-particle final states, allowing clean identification of exclusive reactions associated with strange mesons and baryons. Examples of physics results are: evidence for isospin interference in the decay of the $\Lambda(1405)$ resonance; a strong suggestion of meson cloud effects in the structure of the $\Sigma(1385)$ resonance; data from $K^*$ photoproduction that will test the existence of the purported $K_0(800)$ meson. Properties of other hyperon resonances will also be studied in the near future.

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