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Journal Articles Nuclear Physics A Year : 2003

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

Abstract

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)

Dates and versions

in2p3-00014267 , version 1 (19-12-2003)

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S. Lemaire, J. Labarsouque, B. Silvestre-Brac. S-wave kaon-nucleon phase shifts with instanton induced effects. Nuclear Physics A, 2003, 725, pp.171-180. ⟨10.1016/S0375-9474(03)01579-3⟩. ⟨in2p3-00014267⟩
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