Inclusive $K^+$ and exclusive $K^+Y$ photoproduction on the deuteron: $Λ$- and $Σ$-threshold phenomena

Details Inclusive $K^+$ and exclusive $K^+Y$ photoproduction on the deuteron: $Λ$- and $Σ$-threshold phenomena Inclusive $K^+$ and exclusive $K^+Y$ photoproduction on the deuteron: $Λ$- and $Σ$-threshold phenomena

1999-07-08

arxiv.org/abs/nucl-th/9907029v2

Phys.Rev. C61 (2000) 014001

Physics

Nuclear Physics

Nuclear Theory

14 pages, 10 figures

Scientific paper

10.1103/PhysRevC.61.014001

Inclusive $K^+$ and exclusive $K^+Y$ photoproduction on the deuteron are investigated theoretically. Modern hyperon-nucleon forces and a recently updated kaon photoproduction operator for the $\gamma +N\to K^++Y$ process are used. Sizable effects of the hyperon-nucleon final state interaction are found near the $K^+\Lambda N$ and $K^+\Sigma N$ thresholds in the inclusive reaction. Angular distributions for the exclusive process show clear $YN$ final state interaction effects in certain kinematic regions. Precise data especially for the inclusive process around the $K^+\Sigma N$ threshold would help to clarify the strength and property of the $\Lambda N-\Sigma N$ interaction.

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