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Bound states of Theta(+) in nuclei
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Oset Báguena, Eulogio; Cabrera Urbán, Daniel; Li, Qiang Bing; Magas, Volodymyr; Vicente Vacas, Manuel José
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This document is a artículoDate2005
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We study the binding energy and the width of the Theta(+) in nuclei, associated to the KN and K pi N components. The first one leads to negligible contributions while the second one leads to a sizeable attraction, enough to bind the Theta(+) in nuclei. Pauli blocking and binding effects on the KN decay reduce considerably the Theta(+) decay width in nuclei and medium effects associated to the K pi N component also lead to a very small width, as a consequence of which one finds separation between the bound levels considerably larger than the width of the states. |
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