Study of Xi Photoproduction from Threshold to W = 3.3 GeV

Abstract

The doubly-strange Xi baryons provide an effective way to study a puzzle called the missing-baryons problem, where both quark models and lattice gauge theory predict more baryon excited states than are seen experimentally. However, few of these excited states have been observed with any certainty. Here, high-mass Xi states have been searched for in photoproduction with the CLAS detector, and upper limits for the total cross sections have been established from threshold to W = 3.3 GeV. In addition, the total cross sections of the ground state Xi(1320) and first excited state Xi(1530) are presented, extending significantly the center-of-mass energy range of previous data.

arXiv comment6 pages, 5 figures, submitted to PRC rapid communications

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• Algebraic Models of Hadron Structure II. Strange Baryons
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Cited by in corpus (4)

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• Double-strangeness exchange reactions in a hybrid Regge-plus-resonance approach
• Photoproduction of $\eta$ mesons off the proton for $1.2<E_{\gamma }<4.7$ GeV using CLAS at Jefferson Laboratory
• Momentum dependence of near-threshold photoproduction of ${\Xi }^{-}$ hyperons off nuclei and their properties in the nuclear medium