Theta(+) hypernuclei

Theta(+) hypernuclei

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Theta(+) hypernuclei

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Cabrera Urbán, Daniel; Li, Qiang Bing; Magas, Volodymyr; Oset Báguena, Eulogio Perfil; Vicente Vacas, Manuel José Perfil
Aquest document és un/a article, creat/da en: 2005
We present results for the selfenergy of the Theta(+) pentaquark in nuclei associated with two sources: the KN decay of the Theta(+) and the two meson baryon decay channels of the Theta(+) partners in an antidecuplet of baryons. The first source is shown to produce a small potential, unable to bind the Theta(+) in nuclei, while the second source gives rise to a large attractive potential. At the same tune we show that the width of the Theta(+) in nuclei is small, such that, in light and medium nuclei, many bound Theta(+) states would appear with a separation between levels appreciably larger than the width of the states, thus creating an ideal scenario for pentaquark spectroscopy in nuclei.

    Cabrera, D. Li, Qingfeng Magas, Volodymyr Oset Báguena, Eulogio Vicente Vacas, Manuel José 2005 Theta(+) hypernuclei Physics Letters B 608 3-4 231 239
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