Exclusive Photoproduction of the Cascade (Xi) Hyperons
Nuclear Experiment
2010-04-06 v1
Abstract
We report on the first measurement of exclusive Xi-(1321) hyperon photoproduction in gamma p --> K+ K+ Xi- for 3.2 < E(gamma) < 3.9 GeV. The final state is identified by the missing mass in p(gamma,K+ K+)X measured with the CLAS detector at Jefferson Laboratory. We have detected a significant number of the ground-state Xi-(1321)1/2+, and have estimated the total cross section for its production. We have also observed the first excited state Xi-(1530)3/2+. Photoproduction provides a copious source of Xi's. We discuss the possibilities of a search for the recently proposed Xi5-- and Xi5+ pentaquarks.
Keywords
Cite
@article{arxiv.nucl-ex/0409030,
title = {Exclusive Photoproduction of the Cascade (Xi) Hyperons},
author = {J. W. Price},
journal= {arXiv preprint arXiv:nucl-ex/0409030},
year = {2010}
}
Comments
submitted to Phys. Rev. C