Partial-wave analysis of K^+ nucleon scattering
Abstract
We have performed a partial-wave analysis of K^+-nucleon scattering in the beam momentum range from 0 to 1.5 GeV/c addressing the uncertainties of the results and comparing them with previous analyses. A careful treatment of the reaction threshold behavior is particularly important to avoid false indications of resonances. We find a T=0 scattering length which is not consistent with zero, contrary to what has been claimed by other analyses. The T=0 phase shifts for l>0 are found to be consistent with a pure spin-orbit potential. Some indications for the production of a T=0 pentaquark with spin-parity D5/2+ will be discussed.
- Publication:
-
APS Division of Nuclear Physics Meeting Abstracts
- Pub Date:
- October 2008
- Bibcode:
- 2008APS..DNP.BG007G