On the SigmaN cusp in the pp -> pK+Lambda reaction

S. Abd El-Samad, E. Borodina, K. -Th. Brinkmann +24

Measurements of the $pp\to p{K}^{+}\Lambda$ reaction at $T_p$ = 2.28 GeV have been carried out at COSY-TOF. In addition to the $\Lambda p$ FSI and $N^{\ast }$ resonance excitation effects a pronounced n…