Abstract
We report the exclusive photoproduction cross sections for the Σ0(1385), Λ(1405), and Λ(1520) in the reactions γ+p→K++Y* using the CLAS detector for energies from near the respective production thresholds up to a center-of-mass energy W of 2.85 GeV. The differential cross sections are integrated to give the total exclusive cross sections for each hyperon. Comparisons are made to current theoretical models based on the effective-Lagrangian approach and fit to previous data. The accuracy of these models is seen to vary widely. The cross sections for the Λ(1405) region are strikingly different for the Σ+π-, Σ0π0, and Σ -π+ decay channels, indicating the effect of isospin interference, especially at W values close to the threshold.
| Original language | English |
|---|---|
| Article number | 045201 |
| Journal | Physical Review C - Nuclear Physics |
| Volume | 88 |
| Issue number | 4 |
| DOIs | |
| State | Published - 7 Oct 2013 |
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