LEMAIRE, S.; LABARSOUQUE, J.; SILVESTRE-BRAC, B.

doi:10.1016/S0375-9474(03)01579-3

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LEMAIRE, S.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

LABARSOUQUE, J.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

SILVESTRE-BRAC, B.
Laboratoire de Physique Subatomique et de Cosmologie [LPSC]

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Nuclear Physics A. 2003, vol. 725, p. 171-180

Elsevier

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The kaon–nucleon S -wave phase shifts have been calculated, for both isospin channels I =0 and I =1, in the framework of a semirelativistic quark potential model which includes an instanton induced force. The agreement with experimental phase shifts is poor essentially because of a dominant attraction coming from instantons. The low-energy behaviour of S -wave phase shifts, for I =0 and I =1 channels, obtained in the kaon–nucleon system is characteristic of a potential which can produce one loosely bound state. (Elsevier)< Leer menos

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S-wave kaon-nucleon phase shifts with instanton induced effects

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